China Hot selling 5PA 521 M3/H Pharmaceutical Dry Screw Vacuum Pump vacuum pump engine

Product Description

Working principle

The vacuum in dry screw pumps is created through 2 parallel-arranged screw rotors that rotate in opposite directions. These rotors trap the gas coming in through the inlet and deliver it to the gas discharge or pressure side. As the gas is getting compressed, there is no contact between the rotors. This does away with any need for the compression chamber to have any operating fluids or lubrication.
The lubricant used to lubricate the gears and shaft seal is sealed in the gearbox by the shaft seal. The pump can be cooled either directly by circulating cooling water or by a cooling unit with fan and radiator.
The dry screw vacuum pump adopts a special rotor pitch design, compared with the ordinary rotor pitch design, reduce the energy consumption by about 30%, the temperature rise of the exhaust end is reduced by about 100 ºC, the reliability and stability of the operation of the product is greatly improved, can be suitable for any working conditions of vacuum.
The dry screw pumps can be widely used in solvent recovery, vacuum drying, concentration, crystallization, distillation and other processes in the chemical and pharmaceutical industries, vacuum extrusion and molding in the plastic and rubber industries, vacuum degassing in the metallurgical industry; vacuum degassing and drying in the solar energy, microelectronics, lithium battery and other industries.

Pump body and end caps: high-strength cast iron.
Pump body and end caps: high strength cast iron.
Screw rotor: ductile cast iron.
Anti-corrosion coating: corrosion-resistant Hastelloy.
Synchronous gears: alloy steel.
Radial lip seal: imported PTFE mixture or
high-temperature resistant fluorine rubber;
Seal bushings: stainless steel surface covered with ceramic.

Flow chart

Main features

1. The screw rotor is designed with variable pitch structure, the ultimate vacuum can reach below 1Pa, which can meet all kinds of vacuum processing from atmosphere to high vacuum.
2. Oil free – Adapt to various special working conditions for reliable use.
3. It can operate reliably in the pressure range from atmosphere to several Pa.
4. No friction between moving parts, simple structure, lower operation and maintenance cost.
5. Nitrogen seal and composite seal design is optional, which has the benefit of good reliability, low cost of use, simple maintenance.
6. The rotor is dynamically balanced at high speed and the motor is connected by flange, with high concentricity, low vibration and low noise.
7. Hastelloy anti-corrosion coating is optional for rotor surface, condensable material is not easy to condense in the pump cavity, better corrosion resistance.
8. Compared with oil seal pump, liquid ring pump, there is no waste gas, no waste liquid, no waste oil emission, energy saving and environmental friendly.
It can be used alone or with Roots vacuum pump, air-cooled Roots vacuum pump, molecular vacuum pump, etc. to obtain an oil-free high vacuum system.

The benefit of dry screw vacuum pump compared to liquid ring vacuum pump:

-Shorten the process cycle and improve production efficiency
-Reduce water consumption
-Save energy
-Improve product quality
-Can recover solvent by reducing the drying time of products
-Reduce the cost of wastewater and waste gas treatment

A CASE in a pharmaceutical factory
Process introduction:The penicillin sodium salt solution is fed into the crystallization tank through vacuum. By steam heating, agitator stirring, and adding butanol, the water and butanol in the penicillin solution are pumped into the condenser and condensed into the liquid collecting tank, which can be reused.

Process requirements:
1. The volume of crystallization tank is 7.5m³, and about 4.5m³ penicillin solution is added in the process.
2. Before entering the crystallization tank, the water content of penicillin solution is about 20%, and after crystallization, the water content is required to be about 1%.
3. Vacuum feeding for 2h, then adding butanol for 30min, and then starting to crystallize. The process requires low temperature and fast speed, and the lower the temperature, the better the quality of penicillin. The shorter the reaction time, the better.
4. Vacuum degree requirements: the vacuum degree shall be kept above -0.097MPa. High vacuum degree can reduce the reaction temperature and shorten the reaction time.

The previous vacuum system was 2BE1252+air ejector, which is now transformed into a dry screw vacuum pump. The comparison table of test data is as follows:

vacuum system	2BE1252+ejector	DVP 1600 screw pump
Feeding time (h)	2	1.5
Liquid temperature at the beginning of crystallization (ºC)	31.5	16.6
Crystallization time (h)	6	4.5
Time from crystallization to liquid coming out (min)	30	15
Crystal quality	average	good
Power consumption (KW)	45	37
Water consumption (m3)	26.4	0.72

Economic benefit analysis:

	Cost saving(USD)	Remark
Water consumption and treatment	130	Water cost: $0.65/m³, water treatment: 30/m³
Power	15	$0.15/Kwh
Labor, production efficiency	43	Reduced from 6 hour to 4.5 hour
Sum up	188

Please contact us for a detailed report of economic benefit analysis for your applications!

Configuration
Standard configuration:
Machine base, pump head, coupling, motor, driving screen, air inlet connector, check valve, vacuum gauge, manual filling valve exhaust port muffler.
Optional accessories:
Inlet filter, inlet condenser, solvent flushing device, nitrogen purging device, nitrogen sealing device, exhaust port condenser, solenoid filling valve, cooling water flow switch, temperature sensor, pressure transmitter.

Applications

Leak Detection	Metallurgy	Industrial furnace	Lithium Battery
Chemical, pharmaceutical	Wind tunnel test	Power Industry	Vacuum coating
Microelectronics industry	Drying Process	Packaging and Printing	Solar Energy
Exhaust gas recovery

Product Parameters

Technical data of Constant pitch Dry screw vacuum pump

Spec. Model	Nominal pumping speed(50Hz)	Ultimate pressure	Nominal motor rating (50Hz)	Nominal motor speed (50Hz)	Noise level Lp	Maximum cooling water required	Suction Connection size	Discharge Connection size	Weight (Without Motor)
Spec. Model	m³/h	Pa	kw	rpm	dB(A)	L/min	mm	mm	Kg
DSP-140	143	5	4	2900	82	10	50	40	240
DSP-280	278	5	7.5	2900	83	20	50	40	350
DSP-540	521	5	15	2900	83	30	65	50	550
DSP-650	617	5	18.5	2900	84	45	65	50	630
DSP-720	763	5	22	2900	85	55	80	80	780
DSP-1000	912	5	30	2900	86	70	100	80	880

Technical data of Variable pitch Dry screw vacuum pump

Spec. Model	Nominal pumping speed(50Hz)	Ultimate pressure	Nominal motor rating (50Hz)	Nominal motor speed (50Hz)	Noise level Lp	Maximum cooling water required	Suction Connection size	Discharge Connection size	Weight (Without Motor)
Spec. Model	m³/h	Pa	kw	rpm	dB(A)	L/min	mm	mm	Kg
DVP-180	181	2	4	2900	82	8	50	40	280
DVP-360	354	2	7.5	2900	83	10	50	40	400
DVP-540	535	2	11	2900	83	10	50	40	500
DVP-650	645	1	15	2900	84	20	65	50	600
DVP-800	780	1	22	2900	86	30	100	80	800
DVP-1600	1450	1	37	2900	86	40	125	100	1200

Note: The cooling water volume of the dry screw vacuum pump provided in the table is the amount under 20ºC room temperature water. When the dry screw vacuum pump uses cooling device, the cooling water will be increased, the difference of inlet and outlet water temperature is generally controlled below 7ºC is appropriate.

Dimension

FAQ

Q: What information should I offer for an inquiry?
A: You can inquire based on the model directly, but it is always recommended that you contact us so that we can help you to check if the pump is the most appropriate for your application.

Q: Can you make a customized vacuum pump?
A: Yes, we can do some special designs to meet customer applications. Such as customized sealing systems, speical surface treatment can be applied for roots vacuum pump and screw vacuum pump. Please contact us if you have special requirements.

Q: I have problems with our vacuum pumps or vacuum systems, can you offer some help?
A: We have application and design engineers with more than 30 years of experience in vacuum applications in different industries and help a lot of customers resolve their problems, such as leakage issues, energy-saving solutions, more environment-friendly vacuum systems, etc. Please contact us and we’ll be very happy if we can offer any help to your vacuum system.

Q: Can you design and make customized vacuum systems?
A: Yes, we are good for this.

Q: What is your MOQ?
A: 1 piece or 1 set.

Q: How about your delivery time?
A: 5-10 working days for the standard vacuum pump if the quantity is below 20 pieces, 20-30 working days for the conventional vacuum system with less than 5 sets. For more quantity or special requirements, please contact us to check the lead time.

Q: What are your payment terms?
A: By T/T, 50% advance payment/deposit and 50% paid before shipment.

Q: How about the warranty?
A: We offer 1-year warranty (except for the wearing parts).

Q: How about the service?
A: We offer remote video technical support. We can send the service engineer to the site for some special requirements.

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

After-sales Service:	Online Video Instruction
Warranty:	1 Year
Nominal Pumping Speed(50Hz):	521 M3/H
Ultimate Pressure:	5PA
Nominal Motor Rating(50Hz):	15 Kw
Nominal Motor Speed(50Hz):	2900 Rpm

vacuum pump

Can Vacuum Pumps Be Used in the Automotive Industry?

Yes, vacuum pumps are widely used in the automotive industry for various applications. Here’s a detailed explanation:

The automotive industry relies on vacuum pumps for several critical functions and systems within vehicles. Vacuum pumps play a crucial role in enhancing performance, improving fuel efficiency, and enabling the operation of various automotive systems. Here are some key applications of vacuum pumps in the automotive industry:

1. Brake Systems: Vacuum pumps are commonly used in vacuum-assisted brake systems, also known as power brakes. These systems utilize vacuum pressure to amplify the force applied by the driver to the brake pedal, making braking more efficient and responsive. Vacuum pumps help generate the required vacuum for power brake assistance, ensuring reliable and consistent braking performance.

2. Emission Control Systems: Vacuum pumps are integral components of emission control systems in vehicles. They assist in operating components such as the Exhaust Gas Recirculation (EGR) valve and the Evaporative Emission Control (EVAP) system. Vacuum pumps help create the necessary vacuum conditions for proper functioning of these systems, reducing harmful emissions and improving overall environmental performance.

3. HVAC Systems: Heating, Ventilation, and Air Conditioning (HVAC) systems in vehicles often utilize vacuum pumps for various functions. Vacuum pumps help control the vacuum-operated actuators that regulate the direction, temperature, and airflow of the HVAC system. They ensure efficient operation and precise control of the vehicle’s interior climate control system.

4. Turbocharger and Supercharger Systems: In performance-oriented vehicles, turbocharger and supercharger systems are used to increase engine power and efficiency. Vacuum pumps play a role in these systems by providing vacuum pressure for actuating wastegates, blow-off valves, and other control mechanisms. These components help regulate the boost pressure and ensure optimal performance of the forced induction system.

5. Fuel Delivery Systems: Vacuum pumps are employed in certain types of fuel delivery systems, such as mechanical fuel pumps. These pumps utilize vacuum pressure to draw fuel from the fuel tank and deliver it to the engine. While mechanical fuel pumps are less commonly used in modern vehicles, vacuum pumps are still found in some specialized applications.

6. Engine Management Systems: Vacuum pumps are utilized in engine management systems for various functions. They assist in operating components such as vacuum-operated actuators, vacuum reservoirs, and vacuum sensors. These components play a role in engine performance, emissions control, and overall system functionality.

7. Fluid Control Systems: Vacuum pumps are used in fluid control systems within vehicles, such as power steering systems. Vacuum-assisted power steering systems utilize vacuum pressure to assist the driver in steering, reducing the effort required. Vacuum pumps provide the necessary vacuum for power steering assistance, enhancing maneuverability and driver comfort.

8. Diagnostic and Testing Equipment: Vacuum pumps are also utilized in automotive diagnostic and testing equipment. These pumps create vacuum conditions necessary for testing and diagnosing various vehicle systems, such as intake manifold leaks, brake system integrity, and vacuum-operated components.

It’s important to note that different types of vacuum pumps may be used depending on the specific automotive application. Common vacuum pump technologies in the automotive industry include diaphragm pumps, rotary vane pumps, and electric vacuum pumps.

In summary, vacuum pumps have numerous applications in the automotive industry, ranging from brake systems and emission control to HVAC systems and engine management. They contribute to improved safety, fuel efficiency, environmental performance, and overall vehicle functionality.

vacuum pump

How Do Vacuum Pumps Affect the Performance of Vacuum Chambers?

When it comes to the performance of vacuum chambers, vacuum pumps play a critical role. Here’s a detailed explanation:

Vacuum chambers are enclosed spaces designed to create and maintain a low-pressure environment. They are used in various industries and scientific applications, such as manufacturing, research, and material processing. Vacuum pumps are used to evacuate air and other gases from the chamber, creating a vacuum or low-pressure condition. The performance of vacuum chambers is directly influenced by the characteristics and operation of the vacuum pumps used.

Here are some key ways in which vacuum pumps affect the performance of vacuum chambers:

1. Achieving and Maintaining Vacuum Levels: The primary function of vacuum pumps is to create and maintain the desired vacuum level within the chamber. Vacuum pumps remove air and other gases, reducing the pressure inside the chamber. The efficiency and capacity of the vacuum pump determine how quickly the desired vacuum level is achieved and how well it is maintained. High-performance vacuum pumps can rapidly evacuate the chamber and maintain the desired vacuum level even when there are gas leaks or continuous gas production within the chamber.

2. Pumping Speed: The pumping speed of a vacuum pump refers to the volume of gas it can remove from the chamber per unit of time. The pumping speed affects the rate at which the chamber can be evacuated and the time required to achieve the desired vacuum level. A higher pumping speed allows for faster evacuation and shorter cycle times, improving the overall efficiency of the vacuum chamber.

3. Ultimate Vacuum Level: The ultimate vacuum level is the lowest pressure that can be achieved in the chamber. It depends on the design and performance of the vacuum pump. Higher-quality vacuum pumps can achieve lower ultimate vacuum levels, which are important for applications requiring higher levels of vacuum or for processes that are sensitive to residual gases.

4. Leak Detection and Gas Removal: Vacuum pumps can also assist in leak detection and gas removal within the chamber. By continuously evacuating the chamber, any leaks or gas ingress can be identified and addressed promptly. This ensures that the chamber maintains the desired vacuum level and minimizes the presence of contaminants or unwanted gases.

5. Contamination Control: Some vacuum pumps, such as oil-sealed pumps, use lubricating fluids that can introduce contaminants into the chamber. These contaminants may be undesirable for certain applications, such as semiconductor manufacturing or research. Therefore, the choice of vacuum pump and its potential for introducing contaminants should be considered to maintain the required cleanliness and purity of the vacuum chamber.

6. Noise and Vibrations: Vacuum pumps can generate noise and vibrations during operation, which can impact the performance and usability of the vacuum chamber. Excessive noise or vibrations can interfere with delicate experiments, affect the accuracy of measurements, or cause mechanical stress on the chamber components. Selecting vacuum pumps with low noise and vibration levels is important for maintaining optimal chamber performance.

It’s important to note that the specific requirements and performance factors of a vacuum chamber can vary depending on the application. Different types of vacuum pumps, such as rotary vane pumps, dry pumps, or turbomolecular pumps, offer varying capabilities and features that cater to specific needs. The choice of vacuum pump should consider factors such as the desired vacuum level, pumping speed, ultimate vacuum, contamination control, noise and vibration levels, and compatibility with the chamber materials and gases used.

In summary, vacuum pumps have a significant impact on the performance of vacuum chambers. They enable the creation and maintenance of the desired vacuum level, affect the pumping speed and ultimate vacuum achieved, assist in leak detection and gas removal, and influence contamination control. Careful consideration of the vacuum pump selection ensures optimal chamber performance for various applications.

vacuum pump

What Is the Purpose of a Vacuum Pump in an HVAC System?

In an HVAC (Heating, Ventilation, and Air Conditioning) system, a vacuum pump serves a crucial purpose. Here’s a detailed explanation:

The purpose of a vacuum pump in an HVAC system is to remove air and moisture from the refrigerant lines and the system itself. HVAC systems, particularly those that rely on refrigeration, operate under specific pressure and temperature conditions to facilitate the transfer of heat. To ensure optimal performance and efficiency, it is essential to evacuate any non-condensable gases, air, and moisture from the system.

Here are the key reasons why a vacuum pump is used in an HVAC system:

1. Removing Moisture: Moisture can be present within an HVAC system due to various factors, such as system installation, leaks, or improper maintenance. When moisture combines with the refrigerant, it can cause issues like ice formation, reduced system efficiency, and potential damage to system components. A vacuum pump helps remove moisture by creating a low-pressure environment, which causes the moisture to boil and turn into vapor, effectively evacuating it from the system.

2. Eliminating Air and Non-Condensable Gases: Air and non-condensable gases, such as nitrogen or oxygen, can enter an HVAC system during installation, repair, or through leaks. These gases can hinder the refrigeration process, affect heat transfer, and decrease system performance. By using a vacuum pump, technicians can evacuate the air and non-condensable gases, ensuring that the system operates with the designed refrigerant and pressure levels.

3. Preparing for Refrigerant Charging: Prior to charging the HVAC system with refrigerant, it is crucial to create a vacuum to remove any contaminants and ensure the system is clean and ready for optimal refrigerant circulation. By evacuating the system with a vacuum pump, technicians ensure that the refrigerant enters a clean and controlled environment, reducing the risk of system malfunctions and improving overall efficiency.

4. Leak Detection: Vacuum pumps are also used in HVAC systems for leak detection purposes. After evacuating the system, technicians can monitor the pressure to check if it holds steady. A significant drop in pressure indicates the presence of leaks, enabling technicians to identify and repair them before charging the system with refrigerant.

In summary, a vacuum pump plays a vital role in an HVAC system by removing moisture, eliminating air and non-condensable gases, preparing the system for refrigerant charging, and aiding in leak detection. These functions help ensure optimal system performance, energy efficiency, and longevity, while also reducing the risk of system malfunctions and damage.

China Hot selling 5PA 521 M3/H Pharmaceutical Dry Screw Vacuum Pump vacuum pump engine
editor by Dream 2024-05-16

China high quality 140lpm Low Noise Vacuum Compressor Oil-Free Dry Piston Vacuum Pump with high quality

Product Description

Piston Oil Free Air Compressor Vacuum pump

OverviewSuoto piston vacuum pump is compact, light and attractive in design. It uses the big starting torque and is specially designed for low temperature environment. It is guaranteed start normally in winter’s low temperature. It is applicable to vacuum packaging, vacuum freezing, automobile reparation, gas analysis, medicine mechanism, printing mechanism and other vacuum evacuations.
This kind of pump is widely used in food packaging, scientific research, medical treatment, electronics, chemicals, medicine and laboratory of universities and colleges.

Technical Specifications
Model	HP-295
Voltage	220V/50HZ; 110V/60HZ
Free air displacement	60L/min
Ultimate Vacuum	700mmHg
Power	325w
Dimension	250x110x180mm
Using the environment	5-40ºC
Voltage resistance strength	1600V/50HZ 1min No breakdown
N.W.	6.5KG

Detailed Photos

Packaging & Shipping

Packing Details : One pump in One plywood case
Delivery Details : 30 days after order confirmation

Standard package without original wood, no fumigation needed.

Company Profile

ZheZheJiang oto Pump Industrial Co., Ltd. is a professional pump manufacturer integrating R&D, manufacturing, sales and service as a whole, which has been certified by ISO9001 international quality management system.

Located in Xihu (West Lake) Dis.a Industrial Park, ZheJiang , CHINAMFG Pump Industrial possesses 2 manufacturing bases in ZheJiang and ZHangZhoug. Since our inception, CHINAMFG Pump Industrial has been committed to the innovation and development of various pumps. Our leading products include self-priming trash pump, centrifugal pump, submersible pump, diaphragm pump, vacuum pump, diesel pump, fire pump, etc.

FAQ

Q: Can I chat with you online? What is your company official website?

Q: What type of company CHINAMFG is?
A: CHINAMFG is a manufacture and trading company, has factories in ZheJiang and ZHangZhoug, with export and import license.

Q: What kinds of pumps do you supply?
A: Our products including self-priming trash pump, centrifugal pump, diaphragm pump, submersible pump, chemical pump, oil pump, diesel pump, fire fighting pump, etc.

Q: What is your payment terms?
A: Alibaba Trade Assurance, Western Union, Paypal, T/T, L/C, etc.

Q: Can you provide OEM, ODM service?
A: Yes. We have factories in ZheJiang and ZHangZhoug, we can make products according to your requirements.

Q: Why should we buy from you?
A: We are committed to provide best quality products at minimum delivery time and competitive price. We believe this is what customer wants. We are satified until customers are.

Q: What is your warranty period?
A: We provide 1 year of unconditional warranty on our products for the manufacturing defects.

Q: What about delivery time?
A: Normally our production time is within 2 weeks. Please confirm before order.

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

After-sales Service:	1 Year
Warranty:	1 Year
Acting Form:	Single-Acting
Type:	Centrifugal Pump
Displacement:	Variable Pump
Performance:	No Leak

Samples:	US$ 120/Piece 1 Piece(Min.Order) \|

Customization:	Available \|

vacuum pump

Can Vacuum Pumps Be Used in the Aerospace Sector?

Vacuum pumps indeed have various applications in the aerospace sector. Here’s a detailed explanation:

Vacuum pumps play a crucial role in several areas of the aerospace industry, supporting various processes and systems. Some of the key applications of vacuum pumps in the aerospace sector include:

1. Space Simulation Chambers: Vacuum pumps are used in space simulation chambers to replicate the low-pressure conditions experienced in outer space. These chambers are utilized for testing and validating the performance and functionality of aerospace components and systems under simulated space conditions. Vacuum pumps create and maintain the necessary vacuum environment within these chambers, allowing engineers and scientists to evaluate the behavior and response of aerospace equipment in space-like conditions.

2. Propellant Management: In space propulsion systems, vacuum pumps are employed for propellant management. They help in the transfer, circulation, and pressurization of propellants, such as liquid rocket fuels or cryogenic fluids, in both launch vehicles and spacecraft. Vacuum pumps assist in creating the required pressure differentials for propellant flow and control, ensuring efficient and reliable operation of propulsion systems.

3. Environmental Control Systems: Vacuum pumps are utilized in the environmental control systems of aircraft and spacecraft. These systems are responsible for maintaining the desired atmospheric conditions, including temperature, humidity, and cabin pressure, to ensure the comfort, safety, and well-being of crew members and passengers. Vacuum pumps are used to regulate and control the cabin pressure, facilitating the circulation of fresh air and maintaining the desired air quality within the aircraft or spacecraft.

4. Satellite Technology: Vacuum pumps find numerous applications in satellite technology. They are used in the fabrication and testing of satellite components, such as sensors, detectors, and electronic devices. Vacuum pumps help create the necessary vacuum conditions for thin film deposition, surface treatment, and testing processes, ensuring the performance and reliability of satellite equipment. Additionally, vacuum pumps are employed in satellite propulsion systems to manage propellants and provide thrust for orbital maneuvers.

5. Avionics and Instrumentation: Vacuum pumps are involved in the production and testing of avionics and instrumentation systems used in aerospace applications. They facilitate processes such as thin film deposition, vacuum encapsulation, and vacuum drying, ensuring the integrity and functionality of electronic components and circuitry. Vacuum pumps are also utilized in vacuum leak testing, where they help create a vacuum environment to detect and locate any leaks in aerospace systems and components.

6. High Altitude Testing: Vacuum pumps are used in high altitude testing facilities to simulate the low-pressure conditions encountered at high altitudes. These testing facilities are employed for evaluating the performance and functionality of aerospace equipment, such as engines, materials, and structures, under simulated high altitude conditions. Vacuum pumps create and control the required low-pressure environment, allowing engineers and researchers to assess the behavior and response of aerospace systems in high altitude scenarios.

7. Rocket Engine Testing: Vacuum pumps are crucial in rocket engine testing facilities. They are utilized to evacuate and maintain the vacuum conditions in engine test chambers or nozzles during rocket engine testing. By creating a vacuum environment, these pumps simulate the conditions experienced by rocket engines in the vacuum of space, enabling accurate testing and evaluation of engine performance, thrust levels, and efficiency.

It’s important to note that aerospace applications often require specialized vacuum pumps capable of meeting stringent requirements, such as high reliability, low outgassing, compatibility with propellants or cryogenic fluids, and resistance to extreme temperatures and pressures.

In summary, vacuum pumps are extensively used in the aerospace sector for a wide range of applications, including space simulation chambers, propellant management, environmental control systems, satellite technology, avionics and instrumentation, high altitude testing, and rocket engine testing. They contribute to the development, testing, and operation of aerospace equipment, ensuring optimal performance, reliability, and safety.

vacuum pump

Can Vacuum Pumps Be Used for Leak Detection?

Yes, vacuum pumps can be used for leak detection purposes. Here’s a detailed explanation:

Leak detection is a critical task in various industries, including manufacturing, automotive, aerospace, and HVAC. It involves identifying and locating leaks in a system or component that may result in the loss of fluids, gases, or pressure. Vacuum pumps can play a significant role in leak detection processes by creating a low-pressure environment and facilitating the detection of leaks through various methods.

Here are some ways in which vacuum pumps can be used for leak detection:

1. Vacuum Decay Method: The vacuum decay method is a common technique used for leak detection. It involves creating a vacuum in a sealed system or component using a vacuum pump and monitoring the pressure change over time. If there is a leak present, the pressure will gradually increase due to the ingress of air or gas. By measuring the rate of pressure rise, the location and size of the leak can be estimated. Vacuum pumps are used to evacuate the system and establish the initial vacuum required for the test.

2. Bubble Testing: Bubble testing is a simple and visual method for detecting leaks. In this method, the component or system being tested is pressurized with a gas, and then immersed in a liquid, typically soapy water. If there is a leak, the gas escaping from the component will form bubbles in the liquid, indicating the presence and location of the leak. Vacuum pumps can be used to create a pressure differential that forces gas out of the leak, making it easier to detect the bubbles.

3. Helium Leak Detection: Helium leak detection is a highly sensitive method used to locate extremely small leaks. Helium, being a small atom, can easily penetrate small openings and leaks. In this method, the system or component is pressurized with helium gas, and a vacuum pump is used to evacuate the surrounding area. A helium leak detector is then used to sniff or scan the area for the presence of helium, indicating the location of the leak. Vacuum pumps are essential for creating the low-pressure environment required for this method and ensuring accurate detection.

4. Pressure Change Testing: Vacuum pumps can also be used in pressure change testing for leak detection. This method involves pressurizing a system or component and then isolating it from the pressure source. The pressure is monitored over time, and any significant pressure drop indicates the presence of a leak. Vacuum pumps can be used to evacuate the system after pressurization, returning it to atmospheric pressure for comparison or retesting.

5. Mass Spectrometer Leak Detection: Mass spectrometer leak detection is a highly sensitive and precise method used to identify and quantify leaks. It involves introducing a tracer gas, usually helium, into the system or component being tested. A vacuum pump is used to evacuate the surrounding area, and a mass spectrometer is employed to analyze the gas samples for the presence of the tracer gas. This method allows for accurate detection and quantification of leaks down to very low levels. Vacuum pumps are crucial for creating the necessary vacuum conditions and ensuring reliable results.

In summary, vacuum pumps can be effectively used for leak detection purposes. They facilitate various leak detection methods such as vacuum decay, bubble testing, helium leak detection, pressure change testing, and mass spectrometer leak detection. Vacuum pumps create the required low-pressure environment, assist in evacuating the system or component being tested, and enable accurate and reliable leak detection. The choice of vacuum pump depends on the specific requirements of the leak detection method and the sensitivity needed for the application.

vacuum pump

What Are the Primary Applications of Vacuum Pumps?

Vacuum pumps have a wide range of applications across various industries. Here’s a detailed explanation:

1. Industrial Processes:

Vacuum pumps play a vital role in numerous industrial processes, including:

– Vacuum Distillation: Vacuum pumps are used in distillation processes to lower the boiling points of substances, enabling separation and purification of various chemicals and compounds.

– Vacuum Drying: Vacuum pumps aid in drying processes by creating a low-pressure environment, which accelerates moisture removal from materials without excessive heat.

– Vacuum Packaging: Vacuum pumps are used in the food industry to remove air from packaging containers, prolonging the shelf life of perishable goods by reducing oxygen exposure.

– Vacuum Filtration: Filtration processes can benefit from vacuum pumps to enhance filtration rates by applying suction, facilitating faster separation of solids and liquids.

2. Laboratory and Research:

Vacuum pumps are extensively used in laboratories and research facilities for various applications:

– Vacuum Chambers: Vacuum pumps create controlled low-pressure environments within chambers for conducting experiments, testing materials, or simulating specific conditions.

– Mass Spectrometry: Mass spectrometers often utilize vacuum pumps to create the necessary vacuum conditions for ionization and analysis of samples.

– Freeze Drying: Vacuum pumps enable freeze-drying processes, where samples are frozen and then subjected to a vacuum, allowing the frozen water to sublimate directly from solid to vapor state.

– Electron Microscopy: Vacuum pumps are essential for electron microscopy techniques, providing the necessary vacuum environment for high-resolution imaging of samples.

3. Semiconductor and Electronics Industries:

High vacuum pumps are critical in the semiconductor and electronics industries for manufacturing and testing processes:

– Semiconductor Fabrication: Vacuum pumps are used in various stages of chip manufacturing, including deposition, etching, and ion implantation processes.

– Thin Film Deposition: Vacuum pumps create the required vacuum conditions for depositing thin films of materials onto substrates, as done in the production of solar panels, optical coatings, and electronic components.

– Leak Detection: Vacuum pumps are utilized in leak testing applications to detect and locate leaks in electronic components, systems, or pipelines.

4. Medical and Healthcare:

Vacuum pumps have several applications in the medical and healthcare sectors:

– Vacuum Assisted Wound Closure: Vacuum pumps are used in negative pressure wound therapy (NPWT), where they create a controlled vacuum environment to promote wound healing and removal of excess fluids.

– Laboratory Equipment: Vacuum pumps are essential in medical and scientific equipment such as vacuum ovens, freeze dryers, and centrifugal concentrators.

– Anesthesia and Medical Suction: Vacuum pumps are utilized in anesthesia machines and medical suction devices to create suction and remove fluids or gases from the patient’s body.

5. HVAC and Refrigeration:

Vacuum pumps are employed in the HVAC (Heating, Ventilation, and Air Conditioning) and refrigeration industries:

– Refrigeration and Air Conditioning Systems: Vacuum pumps are used during system installation, maintenance, and repair to evacuate moisture and air from refrigeration and air conditioning systems, ensuring efficient operation.

– Vacuum Insulation Panels: Vacuum pumps are utilized in the manufacturing of vacuum insulation panels, which offer superior insulation properties for buildings and appliances.

6. Power Generation:

Vacuum pumps play a role in power generation applications:

– Steam Condenser Systems: Vacuum pumps are used in power plants to remove non-condensable gases from steam condenser systems, improving thermal efficiency.

– Gas Capture: Vacuum pumps are utilized to capture and remove gases, such as hydrogen or helium, in nuclear power plants, research reactors, or particle accelerators.

These are just a few examples of the primary applications of vacuum pumps. The versatility and wide range of vacuum pump types make them essential in numerous industries, contributing to various manufacturing processes, research endeavors, and technological advancements.

China high quality 140lpm Low Noise Vacuum Compressor Oil-Free Dry Piston Vacuum Pump with high quality
editor by Dream 2024-05-16

China Standard Diesel Engine Self Priming Trash Pump, Vacuum Prime Assist Pumps vacuum pump engine

Product Description

Summarize:

The Dewatering Pump, Vacuum Assist Dry Run Self Priming Pump consists of a self-priming centrifugal pump with semi-open impeller and a Simplex separator where air can separate from the liquid and be sucked by a vacuum pump.

The vacuum pump allows the unit to be primed automatically and capable of drawing significant quantities of air, allowing the priming of a wellpoint system and maintaining it under vacuum, or draining an excavation thoroughly under “snore” conditions.

Performance data:

Parameter	YP100	YP125	YP150	YP200	YP250	YP300
Casing Material	Cast Iron	Cast Iron	Cast Iron	Cast Iron	Cast Iron	Cast Iron
Impeller Material	SS304	SS304	SS304	SS304	SS304	SS304
Standard Pump Shaft Material	2cr13	2cr13	2cr13	2cr13	2cr13	2cr13
Inlet & Outlet Size	100mm	125mm	150mm	200mm	250mm	300mm
Solids Handling Capability (maximum diameter)	20mm	26mm	76mm	76mm	50mm	65mm
Maximum Lift	9.5m	9.5m	9.5m	9.5m	9.5m	9.5m
Maximum Discharge Head	32m	34m	42m	53m	60m	55m
Maximum Flow	150m3/h	200m3/h	360m3/h	540m3/h	1000m3/h	1800m3/h
Bearing Type	Ball	Ball	Ball	Ball	Ball	Ball
Nominal Speed	1800	1800	1800	1800	1800	1800

Company information:
ZHangZhoug CHINAMFG Technology Co., Ltd is 1 of the leading manufacturers and exporters in the field of industry pumps with manufacturing facilities in mainland China. We are specialized in oil pump, diaphragm pump, diesel engine pump, centrifugal pump, screw pump, chemical pump etc.

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Usage:	Industrial, Agriculture, Sewage
Place of Origin:	Zhejiang, China (Mainland)
Brand Name:	Yonjou
Model Number:	Yp
Power:	Electric
Standard or Nonstandard:	Standard

Customization:	Available \|

vacuum pump

Can Vacuum Pumps Be Used for Vacuum Packaging?

Yes, vacuum pumps can be used for vacuum packaging. Here’s a detailed explanation:

Vacuum packaging is a method used to remove air from a package or container, creating a vacuum environment. This process helps to extend the shelf life of perishable products, prevent spoilage, and maintain product freshness. Vacuum pumps play a crucial role in achieving the desired vacuum level for effective packaging.

When it comes to vacuum packaging, there are primarily two types of vacuum pumps commonly used:

1. Single-Stage Vacuum Pumps: Single-stage vacuum pumps are commonly used for vacuum packaging applications. These pumps use a single rotating vane or piston to create a vacuum. They can achieve moderate vacuum levels suitable for most packaging requirements. Single-stage pumps are relatively simple in design, compact, and cost-effective.

2. Rotary Vane Vacuum Pumps: Rotary vane vacuum pumps are another popular choice for vacuum packaging. These pumps utilize multiple vanes mounted on a rotor to create a vacuum. They offer higher vacuum levels compared to single-stage pumps, making them suitable for applications that require deeper levels of vacuum. Rotary vane pumps are known for their reliability, consistent performance, and durability.

When using vacuum pumps for vacuum packaging, the following steps are typically involved:

1. Preparation: Ensure that the packaging material, such as vacuum bags or containers, is suitable for vacuum packaging and can withstand the vacuum pressure without leakage. Place the product to be packaged inside the appropriate packaging material.

2. Sealing: Properly seal the packaging material, either by heat sealing or using specialized vacuum sealing equipment. This ensures an airtight enclosure for the product.

3. Vacuum Pump Operation: Connect the vacuum pump to the packaging equipment or directly to the packaging material. Start the vacuum pump to initiate the vacuuming process. The pump will remove the air from the packaging, creating a vacuum environment.

4. Vacuum Level Control: Monitor the vacuum level during the packaging process using pressure gauges or vacuum sensors. Depending on the specific packaging requirements, adjust the vacuum level accordingly. The goal is to achieve the desired vacuum level suitable for the product being packaged.

5. Sealing and Closure: Once the desired vacuum level is reached, seal the packaging material completely to maintain the vacuum environment. This can be done by heat sealing the packaging material or using specialized sealing mechanisms designed for vacuum packaging.

6. Product Labeling and Storage: After sealing, label the packaged product as necessary and store it appropriately, considering factors such as temperature, humidity, and light exposure, to maximize product shelf life.

It’s important to note that the specific vacuum level required for vacuum packaging may vary depending on the product being packaged. Some products may require a partial vacuum, while others may require a more stringent vacuum level. The choice of vacuum pump and the control mechanisms employed will depend on the specific vacuum packaging requirements.

Vacuum pumps are widely used in various industries for vacuum packaging applications, including food and beverage, pharmaceuticals, electronics, and more. They provide an efficient and reliable means of creating a vacuum environment, helping to preserve product quality and extend shelf life.

vacuum pump

How Do Vacuum Pumps Impact the Quality of 3D Printing?

Vacuum pumps play a significant role in improving the quality and performance of 3D printing processes. Here’s a detailed explanation:

3D printing, also known as additive manufacturing, is a process of creating three-dimensional objects by depositing successive layers of material. Vacuum pumps are utilized in various aspects of 3D printing to enhance the overall quality, accuracy, and reliability of printed parts. Here are some key ways in which vacuum pumps impact 3D printing:

1. Material Handling and Filtration: Vacuum pumps are used in 3D printing systems to handle and control the flow of materials. They create the necessary suction force to transport powdered materials, such as polymers or metal powders, from storage containers to the printing chamber. Vacuum systems also assist in filtering and removing unwanted particles or impurities from the material, ensuring the purity and consistency of the feedstock. This helps to prevent clogging or contamination issues during the printing process.

2. Build Plate Adhesion: Proper adhesion of the printed object to the build plate is crucial for achieving dimensional accuracy and preventing warping or detachment during the printing process. Vacuum pumps are employed to create a vacuum environment or suction force that securely holds the build plate and ensures firm adhesion between the first layer of the printed object and the build surface. This promotes stability and minimizes the risk of layer shifting or deformation during the printing process.

3. Material Drying: Many 3D printing materials, such as filament or powdered polymers, can absorb moisture from the surrounding environment. Moisture-contaminated materials can lead to poor print quality, reduced mechanical properties, or defects in the printed parts. Vacuum pumps with integrated drying capabilities can be employed to create a low-pressure environment, effectively removing moisture from the materials before they are used in the printing process. This ensures the dryness and quality of the materials, resulting in improved print outcomes.

4. Resin Handling in Stereolithography (SLA): In SLA 3D printing, a liquid resin is selectively cured using light sources to create the desired object. Vacuum pumps are utilized to facilitate the resin handling process. They can be employed to degas or remove air bubbles from the liquid resin, ensuring a smooth and bubble-free flow during material dispensing. This helps to prevent defects and imperfections caused by trapped air or bubbles in the final printed part.

5. Enclosure Pressure Control: Some 3D printing processes, such as selective laser sintering (SLS) or binder jetting, require the printing chamber to be maintained at a specific pressure or controlled atmosphere. Vacuum pumps are used to create a controlled low-pressure or vacuum environment within the printing chamber, enabling precise pressure regulation and maintaining the desired conditions for optimal printing results. This control over the printing environment helps to prevent oxidation, improve material flow, and enhance the quality and consistency of printed parts.

6. Post-Processing and Cleaning: Vacuum pumps can also aid in post-processing steps and cleaning of 3D printed parts. For instance, in processes like support material removal or surface finishing, vacuum systems can assist in the removal of residual support structures or excess powder from printed objects. They can also be employed in vacuum-based cleaning methods, such as vapor smoothing, to achieve smoother surface finishes and enhance the aesthetics of the printed parts.

7. System Maintenance and Filtration: Vacuum pumps used in 3D printing systems require regular maintenance and proper filtration to ensure their efficient and reliable operation. Effective filtration systems within the vacuum pumps help to remove any contaminants or particles generated during printing, preventing their circulation and potential deposition on the printed parts. This helps to maintain the cleanliness of the printing environment and minimize the risk of defects or impurities in the final printed objects.

In summary, vacuum pumps have a significant impact on the quality of 3D printing. They contribute to material handling and filtration, build plate adhesion, material drying, resin handling in SLA, enclosure pressure control, post-processing and cleaning, as well as system maintenance and filtration. By utilizing vacuum pumps in these critical areas, 3D printing processes can achieve improved accuracy, dimensional stability, material quality, and overall print quality.

vacuum pump

Can Vacuum Pumps Be Used in the Medical Field?

Yes, vacuum pumps have a wide range of applications in the medical field. Here’s a detailed explanation:

Vacuum pumps play a crucial role in various medical applications, providing suction or creating controlled vacuum environments. Here are some key areas where vacuum pumps are used in the medical field:

1. Negative Pressure Wound Therapy (NPWT):

Vacuum pumps are extensively utilized in negative pressure wound therapy, a technique used to promote wound healing. In NPWT, a vacuum pump creates a controlled low-pressure environment within a wound dressing, facilitating the removal of excess fluid, promoting blood flow, and accelerating the healing process.

2. Surgical Suction:

Vacuum pumps are an integral part of surgical suction systems. They provide the necessary suction force to remove fluids, gases, or debris from the surgical site during procedures. Surgical suction helps maintain a clear field of view for surgeons, enhances tissue visualization, and contributes to a sterile operating environment.

3. Anesthesia:

In anesthesia machines, vacuum pumps are used to create suction for various purposes:

– Airway Suction: Vacuum pumps assist in airway suctioning to clear secretions or obstructions from the patient’s airway during anesthesia or emergency situations.

– Evacuation of Gases: Vacuum pumps aid in removing exhaled gases from the patient’s breathing circuit, ensuring the delivery of fresh gas mixtures and maintaining appropriate anesthesia levels.

4. Laboratory Equipment:

Vacuum pumps are essential components in various medical laboratory equipment:

– Vacuum Ovens: Vacuum pumps are used in vacuum drying ovens, which are utilized for controlled drying or heat treatment of sensitive materials, samples, or laboratory glassware.

– Centrifugal Concentrators: Vacuum pumps are employed in centrifugal concentrators to facilitate the concentration or dehydration of biological samples, such as DNA, proteins, or viruses.

– Freeze Dryers: Vacuum pumps play a vital role in freeze-drying processes, where samples are frozen and then subjected to vacuum conditions to remove water via sublimation, preserving the sample’s structure and integrity.

5. Medical Suction Devices:

Vacuum pumps are utilized in standalone medical suction devices, commonly found in hospitals, clinics, and emergency settings. These devices create suction required for various medical procedures, including:

– Suctioning of Respiratory Secretions: Vacuum pumps assist in removing respiratory secretions or excess fluids from the airways of patients who have difficulty coughing or clearing their airways effectively.

– Thoracic Drainage: Vacuum pumps are used in chest drainage systems to evacuate air or fluid from the pleural cavity, helping in the treatment of conditions such as pneumothorax or pleural effusion.

– Obstetrics and Gynecology: Vacuum pumps are employed in devices used for vacuum-assisted deliveries, such as vacuum extractors, to aid in the safe delivery of babies during childbirth.

6. Blood Collection and Processing:

Vacuum pumps are utilized in blood collection systems and blood processing equipment:

– Blood Collection Tubes: Vacuum pumps are responsible for creating the vacuum inside blood collection tubes, facilitating the collection of blood samples for diagnostic testing.

– Blood Separation and Centrifugation: In blood processing equipment, vacuum pumps assist in the separation of blood components, such as red blood cells, plasma, and platelets, for various medical procedures and treatments.

7. Medical Imaging:

Vacuum pumps are used in certain medical imaging techniques:

– Electron Microscopy: Electron microscopes, including scanning electron microscopes and transmission electron microscopes, require a vacuum environment for high-resolution imaging. Vacuum pumps are employed to maintain the necessary vacuum conditions within the microscope chambers.

These are just a few examples of the wide-ranging applications of vacuum pumps in the medical field. Their ability to create suction and controlled vacuum environments makes them indispensable in medical procedures, wound healing, laboratory processes, anesthesia, and various other medical applications.

China Standard Diesel Engine Self Priming Trash Pump, Vacuum Prime Assist Pumps vacuum pump engine
editor by Dream 2024-05-16

China best Large Flow and High Suction Outdoor Sewage Conveying Vacuum Pump with Best Sales

Product Description

Multiple models of axially split pumps
XS type pump is a new generation of high performance single-stage double-suction centrifugal split pumps. They are mainly used in delivering liquids of the water plant, airconditioner circulation water, heating pipe network system, building water supply, irrigation and drainage of pump stations, power plants, industrial water supply system, fire protection, ships industry and mine.

Structure Feature

1.Type XS pumps work stably with less noise and vibration, may be properly work at raising speed due to short spacing between both side supports, thus they can be widely used.
2.The same rotor of type XS pumps can be operated in reverse direction to avoid damage tothe pumps by water hammer.
3.Type XS pump can be vertically or horizontally mounted acoording to different working condition, with mechanical seals or packing seals.
4.The efficiency of XS pumps are 2%~3% higher than the same type pumps due to adoptingadvanced hydraulic model and thus reduce the operating costs significantly.
5.It is unnecessary to make adjustment to any clearance when assembling.

After-sales Service:	Spare Parts and Technical Support
Warranty:	Offer Feedback Within 4 Hours
Max.Head:	10-30m
Max.Capacity:	>400 L/min
Driving Type:	Diesel Engine
Material:	Cast Iron

Samples:	US$ 20000/Piece 1 Piece(Min.Order) \|

What Is the Impact of Altitude on Vacuum Pump Performance?

The performance of vacuum pumps can be influenced by the altitude at which they are operated. Here’s a detailed explanation:

Altitude refers to the elevation or height above sea level. As the altitude increases, the atmospheric pressure decreases. This decrease in atmospheric pressure can have several effects on the performance of vacuum pumps:

1. Reduced Suction Capacity: Vacuum pumps rely on the pressure differential between the suction side and the discharge side to create a vacuum. At higher altitudes, where the atmospheric pressure is lower, the pressure differential available for the pump to work against is reduced. This can result in a decrease in the suction capacity of the vacuum pump, meaning it may not be able to achieve the same level of vacuum as it would at lower altitudes.

2. Lower Ultimate Vacuum Level: The ultimate vacuum level, which represents the lowest pressure that a vacuum pump can achieve, is also affected by altitude. As the atmospheric pressure decreases with increasing altitude, the ultimate vacuum level that can be attained by a vacuum pump is limited. The pump may struggle to reach the same level of vacuum as it would at sea level or lower altitudes.

3. Pumping Speed: Pumping speed is a measure of how quickly a vacuum pump can remove gases from a system. At higher altitudes, the reduced atmospheric pressure can lead to a decrease in pumping speed. This means that the vacuum pump may take longer to evacuate a chamber or system to the desired vacuum level.

4. Increased Power Consumption: To compensate for the decreased pressure differential and achieve the desired vacuum level, a vacuum pump operating at higher altitudes may require higher power consumption. The pump needs to work harder to overcome the lower atmospheric pressure and maintain the necessary suction capacity. This increased power consumption can impact energy efficiency and operating costs.

5. Efficiency and Performance Variations: Different types of vacuum pumps may exhibit varying degrees of sensitivity to altitude. Oil-sealed rotary vane pumps, for example, may experience more significant performance variations compared to dry pumps or other pump technologies. The design and operating principles of the vacuum pump can influence its ability to maintain performance at higher altitudes.

It’s important to note that vacuum pump manufacturers typically provide specifications and performance curves for their pumps based on standardized conditions, often at or near sea level. When operating a vacuum pump at higher altitudes, it is advisable to consult the manufacturer’s guidelines and consider any altitude-related limitations or adjustments that may be necessary.

In summary, the altitude at which a vacuum pump operates can have an impact on its performance. The reduced atmospheric pressure at higher altitudes can result in decreased suction capacity, lower ultimate vacuum levels, reduced pumping speed, and potentially increased power consumption. Understanding these effects is crucial for selecting and operating vacuum pumps effectively in different altitude environments.

vacuum pump

How Do Vacuum Pumps Affect the Performance of Vacuum Chambers?

When it comes to the performance of vacuum chambers, vacuum pumps play a critical role. Here’s a detailed explanation:

Here are some key ways in which vacuum pumps affect the performance of vacuum chambers:

vacuum pump

Can Vacuum Pumps Be Used in Laboratories?

Yes, vacuum pumps are extensively used in laboratories for a wide range of applications. Here’s a detailed explanation:

Vacuum pumps are essential tools in laboratory settings as they enable scientists and researchers to create and control vacuum or low-pressure environments. These controlled conditions are crucial for various scientific processes and experiments. Here are some key reasons why vacuum pumps are used in laboratories:

1. Evaporation and Distillation: Vacuum pumps are frequently used in laboratory evaporation and distillation processes. By creating a vacuum, they lower the boiling point of liquids, allowing for gentler and more controlled evaporation. This is particularly useful for heat-sensitive substances or when precise control over the evaporation process is required.

2. Filtration: Vacuum filtration is a common technique in laboratories for separating solids from liquids or gases. Vacuum pumps create suction, which helps draw the liquid or gas through the filter, leaving the solid particles behind. This method is widely used in processes such as sample preparation, microbiology, and analytical chemistry.

3. Freeze Drying: Vacuum pumps play a crucial role in freeze drying or lyophilization processes. Freeze drying involves removing moisture from a substance while it is in a frozen state, preserving its structure and properties. Vacuum pumps facilitate the sublimation of frozen water directly into vapor, resulting in the removal of moisture under low-pressure conditions.

4. Vacuum Ovens and Chambers: Vacuum pumps are used in conjunction with vacuum ovens and chambers to create controlled low-pressure environments for various applications. Vacuum ovens are used for drying heat-sensitive materials, removing solvents, or conducting reactions under reduced pressure. Vacuum chambers are utilized for testing components under simulated space or high-altitude conditions, degassing materials, or studying vacuum-related phenomena.

5. Analytical Instruments: Many laboratory analytical instruments rely on vacuum pumps to function properly. For example, mass spectrometers, electron microscopes, surface analysis equipment, and other analytical instruments often require vacuum conditions to maintain sample integrity and achieve accurate results.

6. Chemistry and Material Science: Vacuum pumps are employed in numerous chemical and material science experiments. They are used for degassing samples, creating controlled atmospheres, conducting reactions under reduced pressure, or studying gas-phase reactions. Vacuum pumps are also used in thin film deposition techniques like physical vapor deposition (PVD) and chemical vapor deposition (CVD).

7. Vacuum Systems for Experiments: In scientific research, vacuum systems are often designed and constructed for specific experiments or applications. These systems can include multiple vacuum pumps, valves, and chambers to create specialized vacuum environments tailored to the requirements of the experiment.

Overall, vacuum pumps are versatile tools that find extensive use in laboratories across various scientific disciplines. They enable researchers to control and manipulate vacuum or low-pressure conditions, facilitating a wide range of processes, experiments, and analyses. The choice of vacuum pump depends on factors such as required vacuum level, flow rate, chemical compatibility, and specific application needs.

China best Large Flow and High Suction Outdoor Sewage Conveying Vacuum Pump with Best Sales
editor by Dream 2024-05-16

China wholesaler Canwin 2021 Newest Blue Electric Man Enhance Hush Penis Vacuum Pump for Men Penis Exercise supplier

Product Description

Product Name	CANWIN 2571 Newest Blue Electric Man enhance Hush Penis Vacuum Pump for Men penis exercise
Size	250mm*70mm
Color	Black
N.W.	390g
Material	Medical safe silicone,ABS,AS
Package size	25106.9cm
Function	Penis enlarge/Cock enchancer/penis extender /penis enlargement
Certificate	CE, ROHS, MSDS report
OEM/ODM	Accepted

FAQ

Q1. What is the lead time?

A1: For sample order, it cost 3-5 days before you receive it by DHL. For bulk products, it cost 10-20 days less than 3000 pcs.
According to the shipping way.

Q2. I don’t like your standard colors. Can I choose any color for the housings? If yes, any extra cost?

A2: We have different colors, you can choose any color you like. MOQ is 2000 PCS without any extra cost.

Q3. Do you have any MOQ limit?

A3: For sample order, there is no MOQ. But we suggest to get 3-5pcs to make yourself impression about the average quality. For bulk order, if you need your custom design of products and packing, MOQ is 1000pcs.

Q4. Can I have a sample even pre-production before I send you the order?

A4: Yes. Samples could be sent for evaluation at any time, but you should pay for the freight.

Q5. Which payment methods do you accept?

A5: We accept Western Union, T/T, Bank Transfer,Paypal

Q6. How to pay?

A6: You should pay 30% deposit, and 70% balance before shipping.Others terms acceptable can be talked.

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Type:	Sex Toy
Material:	Silicone, Silicone+ABS+TPE
Sex:	Male
Voice:	Unable
Consumer Groups:	White Collar
Age:	20~30 Years Old

Samples:	US$ 17/Piece 1 Piece(Min.Order) \|

Customization:	Available \|

Vacuum Pump

Types of vacuum pumps

A vacuum pump is a device that draws gas molecules from a sealed volume and leaves a partial vacuum in its wake. Its job is to create a relative vacuum within a specific volume or volume. There are many types of vacuum pumps, including centrifugal, screw and diaphragm.

Forward centrifugal pump

Positive displacement centrifugal vacuum pumps are one of the most commonly used pump types in the oil and gas industry. Their efficiency is limited to a range of materials and can handle relatively high solids concentrations. However, using these pumps has some advantages over other types of pumps.
Positive displacement pumps have an enlarged cavity on the suction side and a reduced cavity on the discharge side. This makes them ideal for applications involving high viscosity fluids and high pressures. Their design makes it possible to precisely measure and control the amount of liquid pumped. Positive displacement pumps are also ideal for applications requiring precise metering.
Positive displacement pumps are superior to centrifugal pumps in several ways. They can handle higher viscosity materials than centrifuges. These pumps also operate at lower speeds than centrifugal pumps, which makes them more suitable for certain applications. Positive displacement pumps are also less prone to wear.
Positive displacement vacuum pumps operate by drawing fluid into a chamber and expanding it to a larger volume, then venting it to the atmosphere. This process happens several times per second. When maximum expansion is reached, the intake valve closes, the exhaust valve opens, and fluid is ejected. Positive displacement vacuum pumps are highly efficient and commonly used in many industries.

Self-priming centrifugal pump

Self-priming centrifugal pumps are designed with a water reservoir to help remove air from the pump. This water is then recirculated throughout the pump, allowing the pump to run without air. The water reservoir can be located above or in front of the impeller. The pump can then reserve water for the initial start.
The casing of the pump contains an increasingly larger channel forming a cavity retainer and semi-double volute. When water enters the pump through channel A, it flows back to the impeller through channels B-C. When the pump is started a second time, the water in the pump body will be recirculated back through the impeller. This recycling process happens automatically.
These pumps are available in a variety of models and materials. They feature special stainless steel castings that are corrosion and wear-resistant. They can be used in high-pressure applications and their design eliminates the need for inlet check valves and intermediate valves. They can also be equipped with long intake pipes, which do not require activation.
Self-priming centrifugal pumps are designed to run on their own, but there are some limitations. They cannot operate without a liquid source. A foot valve or external liquid source can help you start the self-priming pump.

Screw Pump

The mechanical and thermal characteristics of a screw vacuum pump are critical to its operation. They feature a small gap between the rotor and stator to minimize backflow and thermal growth. Temperature is a key factor in their performance, so they have an internal cooling system that uses water that circulates through the pump’s stator channels. The pump is equipped with a thermostatically controlled valve to regulate the water flow. Also includes a thermostatic switch for thermal control.
Screw vacuum pumps work by trapping gas in the space between the rotor and the housing. The gas is then moved to the exhaust port, where it is expelled at atmospheric pressure. The tapered discharge end of the screw further reduces the volume of gas trapped in the chamber. These two factors allow the pump to work efficiently and safely.
Screw vacuum pumps are designed for a variety of applications. In some applications, the pump needs to operate at very low pressures, such as when pumping large volumes of air. For this application, the SCREWLINE SP pump is ideal. Their low discharge temperature and direct pumping path ensure industrial process uptime. These pumps also feature non-contact shaft seals to reduce mechanical wear. Additionally, they feature a special cantilever bearing arrangement to eliminate potential sources of bearing failure and lubrication contamination.
Screw vacuum pumps use an air-cooled screw to generate a vacuum. They are compact, and clean, and have a remote monitoring system with built-in intelligence. By using the app, users can monitor pump performance remotely.

Diaphragm Pump

Diaphragm vacuum pumps are one of the most common types of vacuum pumps found in laboratories and manufacturing facilities. The diaphragm is an elastomeric membrane held in place around the outer diameter. While it is not possible to seal a diaphragm vacuum pump, there are ways to alleviate the problems associated with this design.
Diaphragm vacuum pumps are versatile and can be used in a variety of clean vacuum applications. These pumps are commercially available with a built-in valve system, but they can also be modified to include one. Because diaphragm pumps are so versatile, it’s important to choose the right type for the job. Understanding how pumps work will help you match the right pump to the right application.
Diaphragm vacuum pumps offer a wide range of advantages, including an extremely long service life. Most diaphragm pumps can last up to ten thousand hours. However, they may be inefficient for processes that require deep vacuum, in which case alternative technologies may be required. Additionally, due to the physics of diaphragm pumps, the size of these pumps may be limited. Also, they are not suitable for high-speed pumping.
Diaphragm vacuum pumps are a versatile subset of laboratory pumps. They are popular for their oil-free construction and low maintenance operation. They are available in a variety of styles and have many optional features. In addition to low maintenance operation, they are chemically resistant and can be used with a variety of sample types. However, diaphragm pumps tend to have lower displacements than other vacuum pumps.

Atmospheric pressure is a key factor in a vacuum pump system

Atmospheric pressure is the pressure created by the collision of air molecules. The more they collide, the greater the pressure. This applies to pure gases and mixtures. When you measure atmospheric pressure, the pressure gauge reads about 14.7 psia. The higher the pressure, the greater the force on the gas molecules.
The gas entering the vacuum pump system is below atmospheric pressure and may contain entrained liquids. The mechanism of this process can be explained by molecular kinetic energy theory. The theory assumes that gas molecules in the atmosphere have high velocities. The resulting gas molecules will then start moving in random directions, colliding with each other and creating pressure on the walls of the vacuum vessel.
Atmospheric pressure is a critical factor in a vacuum pump system. A vacuum pump system is useless without proper atmospheric pressure measurement. The pressure in the atmosphere is the total pressure of all gases, including nitrogen and oxygen. Using total pressure instead of partial pressure can cause problems. The thermal conductivity of various gases varies widely, so working at full pressure can be dangerous.
When choosing a vacuum pump, consider its operating range. Some pumps operate at low atmospheric pressure, while others are designed to operate at high or ultra-high pressure. Different types of pumps employ different technologies that enhance their unique advantages.

The screw pump is less efficient in pumping gases with smaller molecular weight

Vacuuming requires a high-quality pump. This type of pump must be able to pump gas of high purity and very low pressure. Screw pumps can be used in laboratory applications and are more efficient when pumping small molecular weight gases. Chemical resistance is critical to pump life. Chemical resistant materials are also available. Chemically resistant wetted materials minimize wear.
Gear pumps are more efficient than screw pumps, but are less efficient when pumping lower molecular weight gases. Gear pumps also require a larger motor to achieve the same pumping capacity. Compared to gear pumps, progressive cavity pumps also have lower noise levels and longer service life. In addition, gear pumps have a large footprint and are not suitable for tight spaces.
Progressive cavity pumps have two or three screws and a housing and side cover. They are also equipped with gears and bearings. Their mechanical design allows them to operate in high pressure environments with extremely low noise. The progressive cavity pump is a versatile pump that can be used in a variety of applications.
Dry screw compressors have different aspect ratios and can operate at high and low pressures. The maximum allowable differential pressure for screw compressors ranges from 0.4 MPa for 3/5 rotors to 1.5 MPa for 4/6 rotors. These numbers need to be determined on a case-by-case basis.

China wholesaler Canwin 2021 Newest Blue Electric Man Enhance Hush Penis Vacuum Pump for Men Penis Exercise supplier
editor by Dream 2024-05-16

China manufacturer High-Performance-Price Ratio Dry Oil-Free Screw Vacuum Pump wholesaler

Product Description

The dry screw vacuum pump is a rotor that uses a pair of parallel screws to make synchronous, high-speed and reverse rotation in the pump housing. The rotor and the inner wall of the pump body form a number of sealing spaces. During the rotation, the continuous transmission of gas is formed to achieve the purpose of suction and exhaust.

The screw vacuum pump has a simple structure, but its processing technology requires higher requirements. It must ensure that the height between rotors is parallel, and that between rotors and between rotors and the inner wall of the pump body, there is a very small gap and no friction caused by contact, so as to ensure the realization of gas transmission and reduce gas backflow without the need for oil lubrication and sealing.
This requires that the entire product must be the highest standard from material selection to processing. Because the clearance between components is required to be very small, it is necessary to ensure that the screw and pump body materials are not easy to deform, especially when the temperature changes to a certain value, the locking phenomenon cannot occur due to deformation. Special material treatment shall be selected to ensure the fine processing of all parts. In addition to the fine processing of the 2 screws, dynamic balance correction shall be carried out. The shaft end bearing must be a high-quality special bearing, which not only ensures the parallelism of the screw rotor and is not prone to slight displacement, but also ensures smooth rotation and is not affected by temperature and other factors. When the vacuum pump is working, the clearance between them is small without friction, the operation is stable, the vibration is small, the noise is low, the energy is saved, and the service life is extended. The special screw structure can continuously promote the air flow without compression. The exhaust port is lower than the screw position, the liquid discharge capacity is strong, and it is easy to clean. The pump cavity has short channels, no partitions, and the exhaust and discharge are smooth, so the working efficiency is high, the suction is super strong, and the limit vacuum degree of the pump is greatly improved, It can provide high vacuum ≤ 5Pa or even close to 1Pa; There is no lubrication and pollution in the working chamber, which can provide a clean vacuum without worrying about backflow pollution. Extracts can also be directly recycled or discharged without environmental pressure. Elaborate design, simple structure and precise processing make it more convenient to use and easier to maintain, which is favored by many industry users. It is widely used, not only to extract condensable gas, but also to extract gas containing a large amount of water vapor and a small amount of dust. The specially treated overflow surface can also be used to extract certain corrosive gas, and it is also a special product for oil and gas recovery, solvent recovery, special gas recovery and other industries.

It adopts explosion-proof motor with high configuration, It has the characteristics of low noise, no oil and pollution, clean and high vacuum, simple and convenient use, operation and maintenance, Widely used in many industries, For example, oil and gas recovery, vacuum coating, biomedicine, food processing, single crystal furnace, vacuum forming, vacuum melting, electronic photovoltaic, semiconductor synthesis and many other industries are used.
The dry oil-free screw vacuum pump produced by our company is divided into air cooling and water cooling according to the extraction rate, and there are many models for you to choose.

Our Advantages

There is no medium in the working chamber, which can obtain a clean vacuum.
. No clearance between rotating parts, high speed operation, small overall volume.

There is no compression in the gas, suitable for extraction of coagulable gas.

Can remove a lot of steam and a small amount of dust gas occasions.
. High vacuum, the ultimate vacuum up to 1 Pa.

Screw material is high strength special material, material density, wear resistance, stable performance.

No friction rotating parts, low noise.
. Simple structure, convenient maintenance.
Wider range of use: corrosive environment can be used.

No oil consumption, no water.

Pump gas directly discharged from the pump body, no pollution of water, no environmental pressure, more convenient gas recovery.

It can be composed of oil-free unit with Roots pump and molecular pump.

Typical Use

——Oil and gas recovery. ——Biological medicine ——Food Processing —— Single crystal furnace
——Vacuum forming ——Vacuum flame refining ——Electronic photovoltaic. ——Semiconductor synthesis

Product Parameters

Air cooling Dry screw vacuum pump

Type (Air cooled series)	Basic parameters
Type (Air cooled series)	Pumping speed (m³/h)	Presure limit(Pa)	Power (kW)	revolution (rpm)	Inlet caliber (mm)	outlet caliber (mm)	Pump head weight (kg)	noise dB(A)	Overall dimension (lengthwidthheight) (mm)
LG-10	10	≤5	0.75	2730	KF16	KF16	2	≤ 72	655x260x285
LG-20	20	≤5	1.1	2840	KF25	KF25	5.5	≤72	720x305x370
LG-50	50	≤10	2.2	2850	KF40	KF40	4	≤75	920x350x420
LG-70	70	≤30	3	2850	KF40	KF40	8	≤75	910x390x460
LG-90	90	≤30	4	2870	KF50	KF50	10	≤80	1000x410x495

Water cooling Dry screw vacuum pump

Type	Basic parameters
Type	Pumping speed m³/h	Presure limit(Pa)	Power (kW)	revolution (rpm)	Inlet caliber mm	outlet caliber mm	Cooling water volume L/min	noise dB(A)	Overall dimension (lengthwidthheight) mm
LGV-180	180	5	4	2900	40	40	2	< 78	1157x375x734
LGV-250	250	5	5.5	2900	50	40	5.5	<78	1462x417x820
LGV-360	360	5	7.5	2900	50	40	4	W78	1462x455x820
LGV-540	540	5	11	2900	65	50	8	W80	1578x543x860
LGV-720	720	5	15	2900	80	65	10	<80	1623x562x916
LGV-1100	1100	5	22	2900	100	80	14	w 80	1866x598x1050
LG V-1800	1800	5	37	2900	150	100	20	w 80	2092×951 x 1150

Characteristic Curve

Air cooling Dry screw vacuum pump

Water cooling Dry screw vacuum pump

Detailed Photos

Vacuum pumps are used in oiling machines

General Manager Speech

Deeply cultivate the vacuum technology, and research,develop and manufacture the vacuum equipment to provide the best solution in the vacuum field and make the vacuum application easier.

Company Profile

ZheJiang Kaien Vacuum Technology Co., Ltd. is a high-tech enterprise integrating R & D, production and operation of vacuum equipment. The company has strong technical force, excellent equipment and considerate after-sales service. The product manufacturing process is managed in strict accordance with IS09001 quality system. It mainly produces and sells screw vacuum pump, roots pump, claw vacuum pump, runoff vacuum pump, scroll pump, water ring vacuum pump, vacuum unit and other vacuum systems.

New plant plHangZhou

The company’s products have been for a number of food, medicine, refrigeration, drying plants and a number of transformer related equipment manufacturers for vacuum equipment. The products are widely used in vacuum drying and dehydration, kerosene vapor phase drying, vacuum impregnation, vacuum metallurgy, vacuum coating, vacuum evaporation, vacuum concentration, oil and gas recovery, etc.

High precision machining equipment

The company cooperates with many scientific research institutions and universities, such as ZheJiang University, China University of petroleum, ZheJiang Institute of mechanical design, etc.with colleges and universities to research and develop core technologies, and owns dozens of independent intellectual property patents.Our technology is leading, the product quality is stable, the product has a good reputation in China’s domestic market, is sold all over the country, and is exported to Europe, America, Africa, the Middle East and Southeast Asia,We adhering to the basic tenet of quality, reputation and service, the company takes leading-edge technology of vacuum pump as its own responsibility, and wholeheartedly serves customers of vacuum equipment application in various industries with rigorous working attitude and professional working style.

Product quality wins consumer cooperation

In shipmentISO9001High tech enterprise certificate

Welcome to send your needs, we will provide you with the best service,

provide the greatest help!!!

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Warranty:	One Year
Oil or Not:	Oil Free
Structure:	Screw
Exhauster Method:	Entrapment Vacuum Pump
Vacuum Degree:	High Vacuum
Work Function:	Mainsuction Pump

Customization:	Available \|

vacuum pump

What Is the Role of Vacuum Pumps in Semiconductor Manufacturing?

Vacuum pumps play a critical role in semiconductor manufacturing processes. Here’s a detailed explanation:

Semiconductor manufacturing involves the production of integrated circuits (ICs) and other semiconductor devices used in various electronic applications. Vacuum pumps are used extensively throughout the semiconductor manufacturing process to create and maintain the required vacuum conditions for specific manufacturing steps.

Here are some key roles of vacuum pumps in semiconductor manufacturing:

1. Deposition Processes: Vacuum pumps are used in deposition processes such as physical vapor deposition (PVD) and chemical vapor deposition (CVD). These processes involve depositing thin films of materials onto semiconductor wafers to create various layers and patterns. Vacuum pumps help create a low-pressure environment necessary for precise control of the deposition process, ensuring uniform and high-quality film formation.

2. Etching and Cleaning: Vacuum pumps are utilized in etching and cleaning processes, which involve the removal of specific layers or contaminants from semiconductor wafers. Dry etching techniques, such as plasma etching and reactive ion etching, require a vacuum environment to facilitate the ionization and removal of material. Vacuum pumps aid in creating the necessary low-pressure conditions for efficient etching and cleaning processes.

3. Ion Implantation: Ion implantation is a process used to introduce impurities into specific regions of a semiconductor wafer to modify its electrical properties. Vacuum pumps are used to evacuate the ion implantation chamber, creating the required vacuum environment for accurate and controlled ion beam acceleration and implantation.

4. Wafer Handling and Transfer: Vacuum pumps are employed in wafer handling and transfer systems. These systems utilize vacuum suction to securely hold and manipulate semiconductor wafers during various manufacturing steps, such as loading and unloading from process chambers, robotic transfer between tools, and wafer alignment.

5. Load Lock Systems: Load lock systems are used to transfer semiconductor wafers between atmospheric conditions and the vacuum environment of process chambers. Vacuum pumps are integral components of load lock systems, creating and maintaining the vacuum conditions necessary for wafer transfer while minimizing contamination risks.

6. Metrology and Inspection: Vacuum pumps are utilized in metrology and inspection tools used for characterizing semiconductor devices. These tools, such as scanning electron microscopes (SEMs) and focused ion beam (FIB) systems, often operate in a vacuum environment to enable high-resolution imaging and accurate analysis of semiconductor structures and defects.

7. Leak Detection: Vacuum pumps are employed in leak detection systems to identify and locate leaks in vacuum chambers, process lines, and other components. These systems rely on vacuum pumps to evacuate the system and then monitor for any pressure rise, indicating the presence of leaks.

8. Cleanroom Environment Control: Semiconductor manufacturing facilities maintain cleanroom environments to prevent contamination during the fabrication process. Vacuum pumps are used in the design and operation of the cleanroom ventilation and filtration systems, helping to maintain the required air cleanliness levels by removing particulates and maintaining controlled air pressure differentials.

Vacuum pumps used in semiconductor manufacturing processes are often specialized to meet the stringent requirements of the industry. They need to provide high vacuum levels, precise control, low contamination levels, and reliability for continuous operation.

Overall, vacuum pumps are indispensable in semiconductor manufacturing, enabling the creation of the necessary vacuum conditions for various processes, ensuring the production of high-quality semiconductor devices.

vacuum pump

Can Vacuum Pumps Be Used for Soil and Groundwater Remediation?

Vacuum pumps are indeed widely used for soil and groundwater remediation. Here’s a detailed explanation:

Soil and groundwater remediation refers to the process of removing contaminants from the soil and groundwater to restore environmental quality and protect human health. Vacuum pumps play a crucial role in various remediation techniques by facilitating the extraction and treatment of contaminated media. Some of the common applications of vacuum pumps in soil and groundwater remediation include:

1. Soil Vapor Extraction (SVE): Soil vapor extraction is a widely used remediation technique for volatile contaminants present in the subsurface. It involves the extraction of vapors from the soil by applying a vacuum to the subsurface through wells or trenches. Vacuum pumps create a pressure gradient that induces the movement of vapors towards the extraction points. The extracted vapors are then treated to remove or destroy the contaminants. Vacuum pumps play a vital role in SVE by maintaining the necessary negative pressure to enhance the volatilization and extraction of contaminants from the soil.

2. Dual-Phase Extraction (DPE): Dual-phase extraction is a remediation method used for the simultaneous extraction of both liquids (such as groundwater) and vapors (such as volatile organic compounds) from the subsurface. Vacuum pumps are utilized to create a vacuum in extraction wells or points, drawing out both the liquid and vapor phases. The extracted groundwater and vapors are then separated and treated accordingly. Vacuum pumps are essential in DPE systems for efficient and controlled extraction of both liquid and vapor-phase contaminants.

3. Groundwater Pumping and Treatment: Vacuum pumps are also employed in groundwater remediation through the process of pumping and treatment. They are used to extract contaminated groundwater from wells or recovery trenches. By creating a vacuum or negative pressure, vacuum pumps facilitate the flow of groundwater towards the extraction points. The extracted groundwater is then treated to remove or neutralize the contaminants before being discharged or re-injected into the ground. Vacuum pumps play a critical role in maintaining the required flow rates and hydraulic gradients for effective groundwater extraction and treatment.

4. Air Sparging: Air sparging is a remediation technique used to treat groundwater and soil contaminated with volatile organic compounds (VOCs). It involves the injection of air or oxygen into the subsurface to enhance the volatilization of contaminants. Vacuum pumps are utilized in air sparging systems to create a vacuum or negative pressure zone in wells or points surrounding the contaminated area. This induces the movement of air and oxygen through the soil, facilitating the release and volatilization of VOCs. Vacuum pumps are essential in air sparging by maintaining the necessary negative pressure gradient for effective contaminant removal.

5. Vacuum-Enhanced Recovery: Vacuum-enhanced recovery, also known as vacuum-enhanced extraction, is a remediation technique used to recover non-aqueous phase liquids (NAPLs) or dense non-aqueous phase liquids (DNAPLs) from the subsurface. Vacuum pumps are employed to create a vacuum or negative pressure gradient in recovery wells or trenches. This encourages the movement and extraction of NAPLs or DNAPLs towards the recovery points. Vacuum pumps facilitate the efficient recovery of these dense contaminants, which may not be easily recoverable using traditional pumping methods.

It’s important to note that different types of vacuum pumps, such as rotary vane pumps, liquid ring pumps, or air-cooled pumps, may be used in soil and groundwater remediation depending on the specific requirements of the remediation technique and the nature of the contaminants.

In summary, vacuum pumps play a vital role in various soil and groundwater remediation techniques, including soil vapor extraction, dual-phase extraction, groundwater pumping and treatment, air sparging, and vacuum-enhanced recovery. By creating and maintaining the necessary pressure differentials, vacuum pumps enable the efficient extraction, treatment, and removal of contaminants, contributing to the restoration of soil and groundwater quality.

vacuum pump

Are There Different Types of Vacuum Pumps Available?

Yes, there are various types of vacuum pumps available, each designed to suit specific applications and operating principles. Here’s a detailed explanation:

Vacuum pumps are classified based on their operating principles, mechanisms, and the type of vacuum they can generate. Some common types of vacuum pumps include:

1. Rotary Vane Vacuum Pumps:

– Description: Rotary vane pumps are positive displacement pumps that use rotating vanes to create a vacuum. The vanes slide in and out of slots in the pump rotor, trapping and compressing gas to create suction and generate a vacuum.

– Applications: Rotary vane vacuum pumps are widely used in applications requiring moderate vacuum levels, such as laboratory vacuum systems, packaging, refrigeration, and air conditioning.

2. Diaphragm Vacuum Pumps:

– Description: Diaphragm pumps use a flexible diaphragm that moves up and down to create a vacuum. The diaphragm separates the vacuum chamber from the driving mechanism, preventing contamination and oil-free operation.

– Applications: Diaphragm vacuum pumps are commonly used in laboratories, medical equipment, analysis instruments, and applications where oil-free or chemical-resistant vacuum is required.

3. Scroll Vacuum Pumps:

– Description: Scroll pumps have two spiral-shaped scrolls—one fixed and one orbiting—which create a series of moving crescent-shaped gas pockets. As the scrolls move, gas is continuously trapped and compressed, resulting in a vacuum.

– Applications: Scroll vacuum pumps are suitable for applications requiring a clean and dry vacuum, such as analytical instruments, vacuum drying, and vacuum coating.

4. Piston Vacuum Pumps:

– Description: Piston pumps use reciprocating pistons to create a vacuum by compressing gas and then releasing it through valves. They can achieve high vacuum levels but may require lubrication.

– Applications: Piston vacuum pumps are used in applications requiring high vacuum levels, such as vacuum furnaces, freeze drying, and semiconductor manufacturing.

5. Turbo Molecular Vacuum Pumps:

– Description: Turbo pumps use high-speed rotating blades or impellers to create a molecular flow, continuously pumping gas molecules out of the system. They typically require a backing pump to operate.

– Applications: Turbo molecular pumps are used in high vacuum applications, such as semiconductor fabrication, research laboratories, and mass spectrometry.

6. Diffusion Vacuum Pumps:

– Description: Diffusion pumps rely on the diffusion of gas molecules and their subsequent removal by a high-speed jet of vapor. They operate at high vacuum levels and require a backing pump.

– Applications: Diffusion pumps are commonly used in applications requiring high vacuum levels, such as vacuum metallurgy, space simulation chambers, and particle accelerators.

7. Cryogenic Vacuum Pumps:

– Description: Cryogenic pumps use extremely low temperatures to condense and capture gas molecules, creating a vacuum. They rely on cryogenic fluids, such as liquid nitrogen or helium, for operation.

– Applications: Cryogenic vacuum pumps are used in ultra-high vacuum applications, such as particle physics research, material science, and fusion reactors.

These are just a few examples of the different types of vacuum pumps available. Each type has its advantages, limitations, and suitability for specific applications. The choice of vacuum pump depends on factors like required vacuum level, gas compatibility, reliability, cost, and the specific needs of the application.

China manufacturer High-Performance-Price Ratio Dry Oil-Free Screw Vacuum Pump wholesaler
editor by Dream 2024-05-16

China Hot selling Vacuum Assisted Dry Prime Trash Pumps a/c vacuum pump

Product Description

Summarize:

Performance data:

Parameter	YP100	YP125	YP150	YP200	YP250	YP300
Casing Material	Cast Iron	Cast Iron	Cast Iron	Cast Iron	Cast Iron	Cast Iron
Impeller Material	SS304	SS304	SS304	SS304	SS304	SS304
Standard Pump Shaft Material	2cr13	2cr13	2cr13	2cr13	2cr13	2cr13
Inlet & Outlet Size	100mm	125mm	150mm	200mm	250mm	300mm
Solids Handling Capability (maximum diameter)	20mm	26mm	76mm	76mm	50mm	65mm
Maximum Lift	9.5m	9.5m	9.5m	9.5m	9.5m	9.5m
Maximum Discharge Head	32m	34m	42m	53m	60m	55m
Maximum Flow	150m3/h	200m3/h	360m3/h	540m3/h	1000m3/h	1800m3/h
Bearing Type	Ball	Ball	Ball	Ball	Ball	Ball
Nominal Speed	1800	1800	1800	1800	1800	1800

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Method:	Physical Treatment
Usage:	Industrial, Agriculture, Sewage
Place of Origin:	Zhejiang, China (Mainland)

Customization:	Available \|

.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}

Shipping Cost: Estimated freight per unit.	about shipping cost and estimated delivery time.

Payment Method:
	Initial Payment Full Payment

Currency:	US$

Return&refunds:	You can apply for a refund up to 30 days after receipt of the products.

vacuum pump

Can Vacuum Pumps Be Used for Vacuum Packaging?

Yes, vacuum pumps can be used for vacuum packaging. Here’s a detailed explanation:

When it comes to vacuum packaging, there are primarily two types of vacuum pumps commonly used:

When using vacuum pumps for vacuum packaging, the following steps are typically involved:

2. Sealing: Properly seal the packaging material, either by heat sealing or using specialized vacuum sealing equipment. This ensures an airtight enclosure for the product.

vacuum pump

Can Vacuum Pumps Be Used for Chemical Distillation?

Yes, vacuum pumps are commonly used in chemical distillation processes. Here’s a detailed explanation:

Chemical distillation is a technique used to separate or purify components of a mixture based on their different boiling points. The process involves heating the mixture to evaporate the desired component and then condensing the vapor to collect the purified substance. Vacuum pumps play a crucial role in chemical distillation by creating a reduced pressure environment, which lowers the boiling points of the components and enables distillation at lower temperatures.

Here are some key aspects of using vacuum pumps in chemical distillation:

1. Reduced Pressure: By creating a vacuum or low-pressure environment in the distillation apparatus, vacuum pumps lower the pressure inside the system. This reduction in pressure lowers the boiling points of the components, allowing distillation to occur at temperatures lower than their normal boiling points. This is particularly useful for heat-sensitive or high-boiling-point compounds that would decompose or become thermally degraded at higher temperatures.

2. Increased Boiling Point Separation: Vacuum distillation increases the separation between the boiling points of the components, making it easier to achieve a higher degree of purification. In regular atmospheric distillation, the boiling points of some components may overlap, leading to less effective separation. By operating under vacuum, the boiling points of the components are further apart, improving the selectivity and efficiency of the distillation process.

3. Energy Efficiency: Vacuum distillation can be more energy-efficient compared to distillation under atmospheric conditions. The reduced pressure lowers the required temperature for distillation, resulting in reduced energy consumption and lower operating costs. This is particularly advantageous when dealing with large-scale distillation processes or when distilling heat-sensitive compounds that require careful temperature control.

4. Types of Vacuum Pumps: Different types of vacuum pumps can be used in chemical distillation depending on the specific requirements of the process. Some commonly used vacuum pump types include:

– Rotary Vane Pumps: Rotary vane pumps are widely used in chemical distillation due to their ability to achieve moderate vacuum levels and handle various gases. They work by using rotating vanes to create chambers that expand and contract, enabling the pumping of gas or vapor.

– Diaphragm Pumps: Diaphragm pumps are suitable for smaller-scale distillation processes. They use a flexible diaphragm that moves up and down to create a vacuum and compress the gas or vapor. Diaphragm pumps are often oil-free, making them suitable for applications where avoiding oil contamination is essential.

– Liquid Ring Pumps: Liquid ring pumps can handle more demanding distillation processes and corrosive gases. They rely on a rotating liquid ring to create a seal and compress the gas or vapor. Liquid ring pumps are commonly used in chemical and petrochemical industries.

– Dry Screw Pumps: Dry screw pumps are suitable for high-vacuum distillation processes. They use intermeshing screws to compress and transport gas or vapor. Dry screw pumps are known for their high pumping speeds, low noise levels, and oil-free operation.

Overall, vacuum pumps are integral to chemical distillation processes as they create the necessary reduced pressure environment that enables distillation at lower temperatures. By using vacuum pumps, it is possible to achieve better separation, improve energy efficiency, and handle heat-sensitive compounds effectively. The choice of vacuum pump depends on factors such as the required vacuum level, the scale of the distillation process, and the nature of the compounds being distilled.

vacuum pump

Can Vacuum Pumps Be Used in the Medical Field?

Yes, vacuum pumps have a wide range of applications in the medical field. Here’s a detailed explanation:

1. Negative Pressure Wound Therapy (NPWT):

2. Surgical Suction:

3. Anesthesia:

In anesthesia machines, vacuum pumps are used to create suction for various purposes:

– Airway Suction: Vacuum pumps assist in airway suctioning to clear secretions or obstructions from the patient’s airway during anesthesia or emergency situations.

– Evacuation of Gases: Vacuum pumps aid in removing exhaled gases from the patient’s breathing circuit, ensuring the delivery of fresh gas mixtures and maintaining appropriate anesthesia levels.

4. Laboratory Equipment:

Vacuum pumps are essential components in various medical laboratory equipment:

– Vacuum Ovens: Vacuum pumps are used in vacuum drying ovens, which are utilized for controlled drying or heat treatment of sensitive materials, samples, or laboratory glassware.

– Centrifugal Concentrators: Vacuum pumps are employed in centrifugal concentrators to facilitate the concentration or dehydration of biological samples, such as DNA, proteins, or viruses.

5. Medical Suction Devices:

– Obstetrics and Gynecology: Vacuum pumps are employed in devices used for vacuum-assisted deliveries, such as vacuum extractors, to aid in the safe delivery of babies during childbirth.

6. Blood Collection and Processing:

Vacuum pumps are utilized in blood collection systems and blood processing equipment:

– Blood Collection Tubes: Vacuum pumps are responsible for creating the vacuum inside blood collection tubes, facilitating the collection of blood samples for diagnostic testing.

7. Medical Imaging:

Vacuum pumps are used in certain medical imaging techniques:

China Hot selling Vacuum Assisted Dry Prime Trash Pumps a/c vacuum pump
editor by Dream 2024-05-16

China manufacturer 3-Phase -80kpa Oil-Free 360m3/H Dry Rotary Vane Vacuum Pumps vacuum pump oil near me

Product Description

3-phase -80kpa Oil-free 360m3/h Dry Rotary Vane Vacuum Pumps

About the components part of the MVT250~MVT360 Vacuum Pump:
1. For the carbon vane, it can be used around 3, ZheJiang , P.R. China

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

After-sales Service:	1 Year
Warranty:	1 Year
Oil or Not:	Oil Free
Structure:	Rotary Vacuum Pump
Vacuum Degree:	High Vacuum
Work Function:	Vacuum Pumps

Samples:	US$ 122.65/Piece 1 Piece(Min.Order) \|

Customization:	Available \|

vacuum pump

Can Vacuum Pumps Be Used for Vacuum Furnaces?

Yes, vacuum pumps can be used for vacuum furnaces. Here’s a detailed explanation:

Vacuum furnaces are specialized heating systems used in various industries for heat treatment processes that require controlled environments with low or no atmospheric pressure. Vacuum pumps play a crucial role in creating and maintaining the vacuum conditions necessary for the operation of vacuum furnaces.

Here are some key points regarding the use of vacuum pumps in vacuum furnaces:

1. Vacuum Creation: Vacuum pumps are used to evacuate the furnace chamber, creating a low-pressure or near-vacuum environment. This is essential for the heat treatment processes carried out in the furnace, as it helps eliminate oxygen and other reactive gases, preventing oxidation or unwanted chemical reactions with the heated materials.

2. Pressure Control: Vacuum pumps provide the means to control and maintain the desired pressure levels within the furnace chamber during the heat treatment process. Precise pressure control is necessary to achieve the desired metallurgical and material property changes during processes such as annealing, brazing, sintering, and hardening.

3. Contamination Prevention: By removing gases and impurities from the furnace chamber, vacuum pumps help prevent contamination of the heated materials. This is particularly important in applications where cleanliness and purity of the processed materials are critical, such as in the aerospace, automotive, and medical industries.

4. Rapid Cooling: Some vacuum furnace systems incorporate rapid cooling capabilities, known as quenching. Vacuum pumps assist in facilitating the rapid cooling process by removing the heat generated during quenching, ensuring efficient cooling and minimizing distortion or other unwanted effects on the treated materials.

5. Process Flexibility: Vacuum pumps provide flexibility in the type of heat treatment processes that can be performed in vacuum furnaces. Different heat treatment techniques, such as vacuum annealing, vacuum brazing, or vacuum carburizing, require specific pressure levels and atmospheric conditions that can be achieved and maintained with the use of vacuum pumps.

6. Vacuum Pump Types: Different types of vacuum pumps can be used in vacuum furnaces, depending on the specific requirements of the heat treatment process. Commonly used vacuum pump technologies include oil-sealed rotary vane pumps, dry screw pumps, diffusion pumps, and cryogenic pumps. The choice of vacuum pump depends on factors such as required vacuum level, pumping speed, reliability, and compatibility with the process gases.

7. Maintenance and Monitoring: Proper maintenance and monitoring of vacuum pumps are essential to ensure their optimal performance and reliability. Regular inspections, lubrication, and replacement of consumables (such as oil or filters) are necessary to maintain the efficiency and longevity of the vacuum pump system.

8. Safety Considerations: Operating vacuum furnaces with vacuum pumps requires adherence to safety protocols. This includes proper handling of potentially hazardous gases or chemicals used in the heat treatment processes, as well as following safety guidelines for operating and maintaining the vacuum pump system.

Overall, vacuum pumps are integral components of vacuum furnaces, enabling the creation and maintenance of the required vacuum conditions for precise and controlled heat treatment processes. They contribute to the quality, consistency, and efficiency of the heat treatment operations performed in vacuum furnaces across a wide range of industries.

vacuum pump

What Is the Role of Vacuum Pumps in Pharmaceutical Manufacturing?

Vacuum pumps play a crucial role in various aspects of pharmaceutical manufacturing. Here’s a detailed explanation:

Vacuum pumps are extensively used in pharmaceutical manufacturing processes to support a range of critical operations. Some of the key roles of vacuum pumps in pharmaceutical manufacturing include:

1. Drying and Evaporation: Vacuum pumps are employed in drying and evaporation processes within the pharmaceutical industry. They facilitate the removal of moisture or solvents from pharmaceutical products or intermediates. Vacuum drying chambers or evaporators utilize vacuum pumps to create low-pressure conditions, which lower the boiling points of liquids, allowing them to evaporate at lower temperatures. By applying vacuum, moisture or solvents can be efficiently removed from substances such as active pharmaceutical ingredients (APIs), granules, powders, or coatings, ensuring the desired product quality and stability.

2. Filtration and Filtrate Recovery: Vacuum pumps are used in filtration processes for the separation of solid-liquid mixtures. Vacuum filtration systems typically employ a filter medium, such as filter paper or membranes, to retain solids while allowing the liquid portion to pass through. By applying vacuum to the filtration apparatus, the liquid is drawn through the filter medium, leaving behind the solids. Vacuum pumps facilitate efficient filtration, speeding up the process and improving product quality. Additionally, vacuum pumps can aid in filtrate recovery by collecting and transferring the filtrate for further processing or reuse.

3. Distillation and Purification: Vacuum pumps are essential in distillation and purification processes within the pharmaceutical industry. Distillation involves the separation of liquid mixtures based on their different boiling points. By creating a vacuum environment, vacuum pumps lower the boiling points of the components, allowing them to vaporize and separate more easily. This enables efficient separation and purification of pharmaceutical compounds, including the removal of impurities or the isolation of specific components. Vacuum pumps are utilized in various distillation setups, such as rotary evaporators or thin film evaporators, to achieve precise control over the distillation conditions.

4. Freeze Drying (Lyophilization): Vacuum pumps are integral to the freeze drying process, also known as lyophilization. Lyophilization is a dehydration technique that involves the removal of water or solvents from pharmaceutical products while preserving their structure and integrity. Vacuum pumps create a low-pressure environment in freeze drying chambers, allowing the frozen product to undergo sublimation. During sublimation, the frozen water or solvent directly transitions from the solid phase to the vapor phase, bypassing the liquid phase. Vacuum pumps facilitate efficient and controlled sublimation, leading to the production of stable, shelf-stable pharmaceutical products with extended shelf life.

5. Tablet and Capsule Manufacturing: Vacuum pumps are utilized in tablet and capsule manufacturing processes. They are involved in the creation of vacuum within tablet presses or capsule filling machines. By applying vacuum, the air is removed from the die cavity or capsule cavity, allowing for the precise filling of powders or granules. Vacuum pumps contribute to the production of uniform and well-formed tablets or capsules by ensuring accurate dosing and minimizing air entrapment, which can affect the final product quality.

6. Sterilization and Decontamination: Vacuum pumps are employed in sterilization and decontamination processes within the pharmaceutical industry. Autoclaves and sterilizers utilize vacuum pumps to create a vacuum environment before introducing steam or chemical sterilants. By removing air or gases from the chamber, vacuum pumps assist in achieving effective sterilization or decontamination by enhancing the penetration and distribution of sterilants. Vacuum pumps also aid in the removal of sterilants and residues after the sterilization process is complete.

It’s important to note that different types of vacuum pumps, such as rotary vane pumps, dry screw pumps, or liquid ring pumps, may be utilized in pharmaceutical manufacturing depending on the specific requirements of the process and the compatibility with pharmaceutical products.

In summary, vacuum pumps play a vital role in various stages of pharmaceutical manufacturing, including drying and evaporation, filtration and filtrate recovery, distillation and purification, freeze drying (lyophilization), tablet and capsule manufacturing, as well as sterilization and decontamination. By enabling efficient and controlled processes, vacuum pumps contribute to the production of high-quality pharmaceutical products, ensuring the desired characteristics, stability, and safety.

vacuum pump

What Are the Primary Applications of Vacuum Pumps?

Vacuum pumps have a wide range of applications across various industries. Here’s a detailed explanation:

1. Industrial Processes:

Vacuum pumps play a vital role in numerous industrial processes, including:

– Vacuum Distillation: Vacuum pumps are used in distillation processes to lower the boiling points of substances, enabling separation and purification of various chemicals and compounds.

– Vacuum Drying: Vacuum pumps aid in drying processes by creating a low-pressure environment, which accelerates moisture removal from materials without excessive heat.

– Vacuum Packaging: Vacuum pumps are used in the food industry to remove air from packaging containers, prolonging the shelf life of perishable goods by reducing oxygen exposure.

– Vacuum Filtration: Filtration processes can benefit from vacuum pumps to enhance filtration rates by applying suction, facilitating faster separation of solids and liquids.

2. Laboratory and Research:

Vacuum pumps are extensively used in laboratories and research facilities for various applications:

– Vacuum Chambers: Vacuum pumps create controlled low-pressure environments within chambers for conducting experiments, testing materials, or simulating specific conditions.

– Mass Spectrometry: Mass spectrometers often utilize vacuum pumps to create the necessary vacuum conditions for ionization and analysis of samples.

– Freeze Drying: Vacuum pumps enable freeze-drying processes, where samples are frozen and then subjected to a vacuum, allowing the frozen water to sublimate directly from solid to vapor state.

– Electron Microscopy: Vacuum pumps are essential for electron microscopy techniques, providing the necessary vacuum environment for high-resolution imaging of samples.

3. Semiconductor and Electronics Industries:

High vacuum pumps are critical in the semiconductor and electronics industries for manufacturing and testing processes:

– Semiconductor Fabrication: Vacuum pumps are used in various stages of chip manufacturing, including deposition, etching, and ion implantation processes.

– Leak Detection: Vacuum pumps are utilized in leak testing applications to detect and locate leaks in electronic components, systems, or pipelines.

4. Medical and Healthcare:

Vacuum pumps have several applications in the medical and healthcare sectors:

– Laboratory Equipment: Vacuum pumps are essential in medical and scientific equipment such as vacuum ovens, freeze dryers, and centrifugal concentrators.

– Anesthesia and Medical Suction: Vacuum pumps are utilized in anesthesia machines and medical suction devices to create suction and remove fluids or gases from the patient’s body.

5. HVAC and Refrigeration:

Vacuum pumps are employed in the HVAC (Heating, Ventilation, and Air Conditioning) and refrigeration industries:

– Vacuum Insulation Panels: Vacuum pumps are utilized in the manufacturing of vacuum insulation panels, which offer superior insulation properties for buildings and appliances.

6. Power Generation:

Vacuum pumps play a role in power generation applications:

– Steam Condenser Systems: Vacuum pumps are used in power plants to remove non-condensable gases from steam condenser systems, improving thermal efficiency.

– Gas Capture: Vacuum pumps are utilized to capture and remove gases, such as hydrogen or helium, in nuclear power plants, research reactors, or particle accelerators.

China manufacturer 3-Phase -80kpa Oil-Free 360m3/H Dry Rotary Vane Vacuum Pumps vacuum pump oil near me
editor by Dream 2024-05-16

China manufacturer RS-1 Cheap Price Mini CZPT Rotary Vane Vacuum Pump supplier

Product Description

Product Parameters

Model		RS-1		RS-1.5		RS-2		RS-3		RS-4		RS-6
Voltage		110V/60HZ	220V/50HZ	110V/60HZ	220V/50HZ	110V/60HZ	220V/50HZ	110V/60HZ	220V/50HZ	110V/60HZ	220V/50HZ	110V/60HZ
Pumping Speed(CFM)		3	2.5	4	3.5	5	4.5	7	6	9	8	12
Ultimate Vacuum	Pa	5		2		2		2		2		2
	M	15		15		15		15		15		15
Rotating Speed(rpm)		1720	1440	1720	1440	1720	1440	1720	1440	1720	1440	1720
Power(HP)		1/4		1/3		1/3		1/2		3/4		1
Oil Capacity(ml)		220		225		250		250		300		450
Dimension(mm)		260110240		275115240		290120240		310125255		360135270		430142280
Weight(kg)		6		6.5		9.5		10		11		19

Model		2RS-0.5		2RS-1		2RS-1.5		2RS-2		2RS-3		2RS-4		2RS-5
Voltage		110V/60HZ	220V/50HZ	110V/60HZ	220V/50HZ	110V/60HZ	220V/50HZ	110V/60HZ	220V/50HZ	110V/60HZ	220V/50HZ	110V/60HZ	220V/50HZ	110V/60HZ	220V/50HZ
Pumping Speed(CFM)		2	1.5	3	2.5	4	3.5	5	4.5	7	6	12	10	14	12
Ultimate Vacuum	Pa	2*10-1
	M	1.5micron
Rotating Speed(rpm)		3500	2800	3500	2800	3500	2800	3500	2800	3500	2800	1720	1440	1720	1440
Power(HP)		1/4		1/3		1/3		1/2		3/4		1		1
Oil Capacity(ml)		250		250		330		330		370		550		550
Dimension(mm)		280110215		280110215		290115220		290115220		360135275		430142280		430142280
Weight(kg)		8.5		9		9.5		10		12.5		20		20

Product Description

The pump is used to remove gas from sealed containers of basic equipment, it can be used alone, can also be used as backing pump for booster pump, diffusion pump, molecular pump, maintenance pump, titanium pump pre-pumping pump. Can be used in the manufacture of electric vacuum devices, vacuum welding, printing, plastic, refrigeration equipment repair and food instrument supporting, etc. Small size, light weight, low noise characteristics of a wide range of applications.

Company Profile

Packaging & Shipping

FAQ

Q1. What is your products range?
• Industry water chiller, recirculating cooling chiller, rotary evaporator, alcohol recovery equipment, short path distillation kit, glass molecular distillation equipment, falling film evaporator, jacketed glass reactor and other lab equipment.

Q2. Are you trading company or manufacturer?
• We are professional manufacture of lab equipment and we have our own factory.

Q3. Do you provide samples? Is it free?

• Yes, we could offer the sample. Considering the high value of our products, the sample is not free, but we will give you our best price including shipping cost.

Q4. Do you have warranty?
• Yes, we offer 1 year warranty for the spare part.

Q5. How long is your delivery time?
• Generally it is within 7 working days after receiving the payment if the goods are in stock. Or it is 15 working days if thegoods are not in stock, depending on order quantity.

Q6. What is your terms of payment?
• Payment≤15,000USD, 100% in advance. Payment≥15,000USD, 70% T/T in advance, balance before shipment.
(If you are concerned about payment security for the first order, we advise you can place Trade Assurance Order via Alibaba. you will get 100% payment refund if we can’t meet agreed delivery time.)

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

After-sales Service:	Online Service Support
Warranty:	1 Year
Oil or Not:	Oil

Customization:	Available \|

.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}

Shipping Cost: Estimated freight per unit.	about shipping cost and estimated delivery time.

Payment Method:
	Initial Payment Full Payment

Currency:	US$

Return&refunds:	You can apply for a refund up to 30 days after receipt of the products.

Vacuum Pump

Types of vacuum pumps

A vacuum pump is a device that draws gas molecules from a sealed volume and maintains a partial vacuum. Its job is to create a vacuum in a volume, usually one of several. There are several types of vacuum pumps, such as root pumps, diaphragm pumps, rotary piston pumps, and self-priming centrifugal pumps.

The diaphragm pump is a dry positive displacement vacuum pump

Diaphragm pumps are a versatile type of vacuum pump. They can be installed in a variety of scenarios including container emptying, positive suction, and simultaneous fluid mixing. Their performance depends on the stiffness and durability of the diaphragm, which in turn depends on the material.
They have good performance when running in dry mode. Diaphragm pumps work very similarly to the human heart, which is why they are often used to create artificial hearts. In addition, the diaphragm pump is self-priming and has high efficiency. They are also capable of handling the most viscous liquids and are used in almost all industries.
However, this type of pump has several disadvantages. One of them is that they are difficult to restart after a power outage. Another disadvantage is that they can generate a lot of heat. Fortunately, this heat is carried away by airflow. However, this heat builds up in the multistage pump. If this happens, the diaphragm or motor may be damaged. Diaphragm pumps operating in two or more stages should be fitted with solenoid valves to maintain vacuum stability.
Diaphragm pumps are a good choice for drying processes where hygiene is important. These pumps have check valves and rubber or Teflon diaphragms. Diaphragm pumps are also ideal for high viscosity applications where shear sensitivity is important.

Roots pumps are dry method centrifugal pumps

Roots pumps use a vane rotor pump with two counter-rotating vanes that move in opposite directions to move the gas. They are often the first choice for high-throughput process applications. Depending on the size and number of blades, they can withstand up to 10 Torr.
Centrifugal pumps have several advantages, including the ability to handle corrosive fluids and high temperatures. However, when choosing a pump, it is essential to choose a reputable manufacturer. These companies will be able to advise you on the best pump design for your needs and provide excellent after-sales support. Roots pumps can be used in a wide range of industrial applications including chemical, food, and biotechnology.
The Roots pump is a dry centrifugal pump whose geometry enables it to achieve high compression ratios. The screw rotors are synchronized by a set of timing gears that allow gas to pass in both directions and create a compressed state in the chamber. The pre-compressed gas is discharged through a pressure connection and cooled with water. Some pumps are also able to accept additional cooling gas, but this should be done with caution.
The size of the impeller plays an important role in determining the pump head. The impeller diameter determines how high the pump can lift the liquid. Impeller speed also affects the head. Since the head is proportional to the specific gravity of the liquid, the available suction pressure will be proportional to the density of the liquid. The density of water is about 1.2 kg/m3, and the suction pressure of the centrifugal pump is not enough to lift the water.

The rotary vane pump is a self-priming centrifugal pump

A rotary vane pump is a centrifugal pump with a circular pump head and a cycloid cam that supports the rotor. The rotor is close to the cam wall, and two side plates seal the rotor. Vanes in vane pumps are installed in these cavities, and the rotor rotates at high speed, pushing fluid in and out of the pump. The pump offers several advantages, including a reversible design and the ability to handle a wide variety of clean fluids.
Agknx Pumps manufactures a wide range of vane pumps that combine high performance, low cost, and easy maintenance. These pumps handle medium to high viscosity liquids up to 500 degrees Fahrenheit and 200,000 SSU.
The suction side of the rotary vane pump has a discharge port, and the valve prevents the backflow of the discharge air. When the maximum pressure is reached, the outlet valve closes to prevent the backflow of exhaust gas. The mechanical separation step separates the oil from the gas in the pump circuit and returns the remaining oil particles to the sump. The float valve then reintroduces these oil particles into the oil circuit of the pump. The gas produced is almost oil-free and can be blown out of a pipe or hose.
Rotary vane pumps are self-priming positive displacement pumps commonly used in hydraulic, aeration, and vacuum systems. Unlike gear pumps, rotary vane pumps can maintain high-pressure levels while using relatively low suction pressures. The pump is also very effective when pumping viscous or high-viscosity liquids.
Vacuum Pump

Rotary piston pumps are dry method positive displacement pumps

Rotary piston pumps are dry positive displacement pumps designed to deliver high-viscosity fluids. They are capable of pumping a variety of liquids and can run dry without damaging the liquid. Rotary piston pumps are available in a variety of designs. Some are single shafts, some are two shafts and four bearings.
Positive displacement pumps operate slower than centrifugal pumps. This feature makes the positive displacement pump more sensitive to wear. Piston and plunger reciprocating pumps are particularly prone to wear. For more demanding applications, progressive cavity, diaphragm or lobe pumps may be a better choice.
Positive displacement pumps are typically used to pump high-viscosity fluids. This is because the pump relies on a mechanical seal between the rotating elements and the pump casing. As a result, when fluids have low viscosity, their performance is limited. Additionally, low viscosity fluids can cause valve slippage.
These pumps have a piston/plunger arrangement using stainless steel rotors. Piston/piston pumps have two cavities on the suction side. The fluid then flows from one chamber to the other through a helical motion. This results in very low shear and pulsation rates. The pump is usually installed in a cylindrical housing.

Rotary vane pump corrosion resistance

Rotary vane vacuum pumps are designed for use in a variety of industries. They feature plasma-treated corrosion-resistant parts and anti-suck-back valves to help reduce the number of corrosive vapors entering the pump. These pumps are commonly used in freeze dryers, vacuum ovens, and degassing processes. The high flow rates they provide in their working vacuum allow them to speed up processes and reduce the time it takes to run them. Plus, they have energy-efficient motors and silent volume. <br/While rotary vane vacuum pumps are relatively corrosion resistant, they should not be used for aggressive chemicals. For these chemicals, the most suitable pump is the chemical mixing pump, which combines two types of pumps to improve corrosion resistance. If the application requires a more powerful pump, a progressive cavity pump (eg VACUU*PURE 10C) is suitable.
Oil seals used in rotary vane pumps are important to pump performance. The oil seal prevents corrosion of the aluminum parts of the rotary vane pump and prolongs the service life. Most rotary vane vacuum pumps have a standard set of components, although each component may have different oil seals.
Rotary vane vacuum pumps are the most common type of positive displacement pump. They provide quiet operation and long service life. They are also reliable and inexpensive and can be used in a variety of applications.

Roots pumps are primarily used as a vacuum booster

Root vacuum pumps are mainly used as vacuum boosters in industrial applications. They need a thorough understanding of operating principles and proper maintenance to function properly. This course is an introduction to Roots vacuum pumps, covering topics such as pump principles, multi-stage pumps, temperature effects, gas cooling, and maintenance.
Roots pumps have many advantages, including compact and quiet operation. They do not generate particles and have a long service life. They also don’t require oil and have a small footprint. However, Roots pumps have several disadvantages, including relatively high maintenance costs and low pumping speeds near atmospheric pressure.
Root vacuum pumps are often used with rotary vane vacuum pumps. They work on the same principle, the air enters a conveying unit formed by two rolling pistons in the housing. The piston heads are separated from each other, and the air passes through the unit without being reduced until it is discharged. When the air in the next unit reaches a higher absolute pressure, it is expelled from the last unit.
Roots pumps can be classified as sheathed or sealed. Roots pumps with sealed motors are suitable for pumping toxic gases. They have less clearance between the stator and motor rotor and have a sealed tank.

China manufacturer RS-1 Cheap Price Mini CZPT Rotary Vane Vacuum Pump supplier
editor by Dream 2024-05-15

China Standard 2be Series Liquid Ring Vacuum Pump with Water Separator supplier

Product Description

2BE Liquid Ring Vacuum Pump

Product Name	2BE ring vacuum pump for pulp making liquid
Material	SS304, SS316L, SS321, etc
Standard	ISO,CE
Flow rate	Up to 9450 m3/h
Voltage	220V/380V/415V/460V or as customer required
Warranty	12 months
Applilcation	Paper-making, chemical, petrochemical, light industry,pharmacy, instruments, metallurgy, construction, electronic appliance, coal-cleaning, mineral concentration, fertilizer etc.

2BE Liquid Ring Pump Introduction
2BE series pump adopt the single-stage and single-function structure with the advantage of simple structure, convenient maintenance,reliable running,high efficiency and energy saving and they can be suitable for the bad working conditiond such as large water discharge and load impact fluctuation etc.

They are usually used to suction the gas without CHINAMFG particle, undissolved and noncorrosive gas in order to form vacuum and pressure in the closed container.

By changing the structure material, they can aslo be used to suction corrosive gas or use corrosive liquid as operating liquid.

Advantage
1.The whole body are painted by baking paint.

2.The pump are manufactured under German DIN standard.

3.Liquid-level indicator equipped for star-up observation.

4.Impeller welded by nodular iron or steel, which ensure high stability and promises long-lifetime even in harsh condition.

5.Coupling(direct drive type) with highly intensified elastic material(made of polyurethane) which ensures pump stability and long lifetime.

6.High quality mechanical seal(optional) with no air leakage, specially suitable for toxic gas suction.

If you have any others pump type require, please free contact us

FAQ

Q:Can you supply pump qualified with ANSI and ASME standard?
A:Yes, our pump compliant with ISO / ASME/ANSI standard.

Q:How to customize pumps and mechanical seals ?
A:Customers could send us application data, we will select suitable pump and seal types, or client could send us drawings, We are well in OEM and ODM.

Q:How can I pay for my items? What is the payment you can provide?
A:Usually by T/T, 30% down payment once PI confirmed, the balance will be paid after inspection and before shipment. TT or L/C at sight

Q:How long is warranty?
A:1 year for main construction warranty.

Q:How long is production lead time?
A:Normally 15 working days. If client need urgently, we have a huge spare parts stock, we could finish assembly and testing in 7 days.

Q:What is the shipping terms you can provide?
A:Depnends on customer’s requirements, we can provide different transportantin terms, such as EXW, FOB, CIF.

Q:Who is in charge of after-sales?
A:SUNPACE has professional after sales service team, we will follow up the client’s comments and suggest them good solutions. Solve client’s problems and keeping the clients profit.

Q:Who is in charge of maintenance?
A:Local agent. If pump running has any problem on site, our local agent will arrival the plant within 24 hours

Send message Get product Offer & Brochure!!!
↓↓↓

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Warranty:	12 Months
Structure:	Single-Stage Pump
Vacuum Degree:	High Vacuum
Flow Rate Max:	9450 M3/H
Application:	Vacuum Pumps for Chemical Applications
Power:	Electric

Samples:	US$ 2000/Set 1 Set(Min.Order) \|

Customization:	Available \|

vacuum pump

What Are the Advantages of Using Oil-Sealed Vacuum Pumps?

Oil-sealed vacuum pumps offer several advantages in various applications. Here’s a detailed explanation:

1. High Vacuum Performance: Oil-sealed vacuum pumps are known for their ability to achieve high levels of vacuum. They can create and maintain deep vacuum levels, making them suitable for applications that require a low-pressure environment. The use of oil as a sealing and lubricating medium helps in achieving efficient vacuum performance.

2. Wide Operating Range: Oil-sealed vacuum pumps have a wide operating range, allowing them to handle a broad spectrum of vacuum levels. They can operate effectively in both low-pressure and high-vacuum conditions, making them versatile for different applications across various industries.

3. Efficient and Reliable Operation: These pumps are known for their reliability and consistent performance. The oil-sealed design provides effective sealing, preventing air leakage and maintaining a stable vacuum level. They are designed to operate continuously for extended periods without significant performance degradation, making them suitable for continuous industrial processes.

4. Contamination Handling: Oil-sealed vacuum pumps are effective in handling certain types of contaminants that may be present in the process gases or air being evacuated. The oil acts as a barrier, trapping and absorbing certain particulates, moisture, and chemical vapors, preventing them from reaching the pump mechanism. This helps protect the pump internals from potential damage and contributes to the longevity of the pump.

5. Thermal Stability: The presence of oil in these pumps helps in dissipating heat generated during operation, contributing to their thermal stability. The oil absorbs and carries away heat, preventing excessive temperature rise within the pump. This thermal stability allows for consistent performance even during prolonged operation and helps protect the pump from overheating.

6. Noise Reduction: Oil-sealed vacuum pumps generally operate at lower noise levels compared to other types of vacuum pumps. The oil acts as a noise-damping medium, reducing the noise generated by the moving parts and the interaction of gases within the pump. This makes them suitable for applications where noise reduction is desired, such as laboratory environments or noise-sensitive industrial settings.

7. Versatility: Oil-sealed vacuum pumps are versatile and can handle a wide range of gases and vapors. They can effectively handle both condensable and non-condensable gases, making them suitable for diverse applications in industries such as chemical processing, pharmaceuticals, food processing, and research laboratories.

8. Cost-Effective: Oil-sealed vacuum pumps are often considered cost-effective options for many applications. They generally have a lower initial cost compared to some other types of high-vacuum pumps. Additionally, the maintenance and operating costs are relatively lower, making them an economical choice for industries that require reliable vacuum performance.

9. Simplicity and Ease of Maintenance: Oil-sealed vacuum pumps are relatively simple in design and easy to maintain. Routine maintenance typically involves monitoring oil levels, changing the oil periodically, and inspecting and replacing worn-out parts as necessary. The simplicity of maintenance procedures contributes to the overall cost-effectiveness and ease of operation.

10. Compatibility with Other Equipment: Oil-sealed vacuum pumps are compatible with various process equipment and systems. They can be easily integrated into existing setups or used in conjunction with other vacuum-related equipment, such as vacuum chambers, distillation systems, or industrial process equipment.

These advantages make oil-sealed vacuum pumps a popular choice in many industries where reliable, high-performance vacuum systems are required. However, it’s important to consider specific application requirements and consult with experts to determine the most suitable type of vacuum pump for a particular use case.

vacuum pump

How Do Vacuum Pumps Contribute to Energy Savings?

Vacuum pumps play a significant role in energy savings in various industries and applications. Here’s a detailed explanation:

Vacuum pumps contribute to energy savings through several mechanisms and efficiencies. Some of the key ways in which vacuum pumps help conserve energy are:

1. Improved Process Efficiency: Vacuum pumps are often used to remove gases and create low-pressure or vacuum conditions in industrial processes. By reducing the pressure, vacuum pumps enable the removal of unwanted gases or vapors, improving the efficiency of the process. For example, in distillation or evaporation processes, vacuum pumps help lower the boiling points of liquids, allowing them to evaporate or distill at lower temperatures. This results in energy savings as less heat is required to achieve the desired separation or concentration.

2. Reduced Energy Consumption: Vacuum pumps are designed to operate efficiently and consume less energy compared to other types of equipment that perform similar functions. Modern vacuum pump designs incorporate advanced technologies, such as variable speed drives, energy-efficient motors, and optimized control systems. These features allow vacuum pumps to adjust their operation based on demand, reducing energy consumption during periods of lower process requirements. By consuming less energy, vacuum pumps contribute to overall energy savings in industrial operations.

3. Leak Detection and Reduction: Vacuum pumps are often used in leak detection processes to identify and locate leaks in systems or equipment. By creating a vacuum or low-pressure environment, vacuum pumps can assess the integrity of a system and identify any sources of leakage. Detecting and repairing leaks promptly helps prevent energy wastage associated with the loss of pressurized fluids or gases. By addressing leaks, vacuum pumps assist in reducing energy losses and improving the overall energy efficiency of the system.

4. Energy Recovery Systems: In some applications, vacuum pumps can be integrated into energy recovery systems. For instance, in certain manufacturing processes, the exhaust gases from vacuum pumps may contain heat or have the potential for energy recovery. By utilizing heat exchangers or other heat recovery systems, the thermal energy from the exhaust gases can be captured and reused to preheat incoming fluids or provide heat to other parts of the process. This energy recovery approach further enhances the overall energy efficiency by utilizing waste heat that would otherwise be lost.

5. System Optimization and Control: Vacuum pumps are often integrated into centralized vacuum systems that serve multiple processes or equipment. These systems allow for better control, monitoring, and optimization of the vacuum generation and distribution. By centralizing the vacuum production and employing intelligent control strategies, energy consumption can be optimized based on the specific process requirements. This ensures that vacuum pumps operate at the most efficient levels, resulting in energy savings.

6. Maintenance and Service: Proper maintenance and regular servicing of vacuum pumps are essential for their optimal performance and energy efficiency. Routine maintenance includes tasks such as cleaning, lubrication, and inspection of pump components. Well-maintained pumps operate more efficiently, reducing energy consumption. Additionally, prompt repair of any faulty parts or addressing performance issues helps maintain the pump’s efficiency and prevents energy waste.

In summary, vacuum pumps contribute to energy savings through improved process efficiency, reduced energy consumption, leak detection and reduction, integration with energy recovery systems, system optimization and control, as well as proper maintenance and service. By utilizing vacuum pumps efficiently and effectively, industries can minimize energy waste, optimize energy usage, and achieve significant energy savings in various applications and processes.

vacuum pump

How Are Vacuum Pumps Different from Air Compressors?

Vacuum pumps and air compressors are both mechanical devices used to manipulate air and gas, but they serve opposite purposes. Here’s a detailed explanation of their differences:

1. Function:

– Vacuum Pumps: Vacuum pumps are designed to remove or reduce the pressure within a closed system, creating a vacuum or low-pressure environment. They extract air or gas from a chamber, creating suction or negative pressure.

– Air Compressors: Air compressors, on the other hand, are used to increase the pressure of air or gas. They take in ambient air or gas and compress it, resulting in higher pressure and a compacted volume of air or gas.

2. Pressure Range:

– Vacuum Pumps: Vacuum pumps are capable of generating pressures below atmospheric pressure or absolute zero pressure. The pressure range typically extends into the negative range, expressed in units such as torr or pascal.

– Air Compressors: Air compressors, on the contrary, operate in the positive pressure range. They increase the pressure above atmospheric pressure, typically measured in units like pounds per square inch (psi) or bar.

3. Applications:

– Vacuum Pumps: Vacuum pumps have various applications where the creation of a vacuum or low-pressure environment is required. They are used in processes such as vacuum distillation, vacuum drying, vacuum packaging, and vacuum filtration. They are also essential in scientific research, semiconductor manufacturing, medical suction devices, and many other industries.

– Air Compressors: Air compressors find applications where compressed air or gas at high pressure is needed. They are used in pneumatic tools, manufacturing processes, air conditioning systems, power generation, and inflating tires. Compressed air is versatile and can be employed in numerous industrial and commercial applications.

4. Design and Mechanism:

– Vacuum Pumps: Vacuum pumps are designed to create a vacuum by removing air or gas from a closed system. They may use mechanisms such as positive displacement, entrapment, or momentum transfer to achieve the desired vacuum level. Examples of vacuum pump types include rotary vane pumps, diaphragm pumps, and diffusion pumps.

– Air Compressors: Air compressors are engineered to compress air or gas, increasing its pressure and decreasing its volume. They use mechanisms like reciprocating pistons, rotary screws, or centrifugal force to compress the air or gas. Common types of air compressors include reciprocating compressors, rotary screw compressors, and centrifugal compressors.

5. Direction of Air/Gas Flow:

– Vacuum Pumps: Vacuum pumps draw air or gas into the pump and then expel it from the system, creating a vacuum within the chamber or system being evacuated.

– Air Compressors: Air compressors take in ambient air or gas and compress it, increasing its pressure and storing it in a tank or delivering it directly to the desired application.

While vacuum pumps and air compressors have different functions and operate under distinct pressure ranges, they are both vital in various industries and applications. Vacuum pumps create and maintain a vacuum or low-pressure environment, while air compressors compress air or gas to higher pressures for different uses and processes.

China Standard 2be Series Liquid Ring Vacuum Pump with Water Separator supplier
editor by Dream 2024-05-15

Type		Capacity (m³/h)	Head (m)	Speed (r/min)	Shaft power (kw)
80-210	J	83.5	13.8	1450	3.8
	JA	77	11.8		3
	JB	70.4	9.8		2.3
	JC	64.4	8.6		1.9
		164.5	55	2900	30
	A	152.9	47.5		24.7
	B	138.6	40		18.7
	C	128.4	33.5		15.8
900-1030	J	11520	28	485	976
900-1030		13860	41	590	1719.4
900-1050	J	11520	38	490	1302.9
900-1050		13680	55	590	2227.1
1000-1170	J	14040	18.4	372	766.3
	JA	12960	17.2	372	667
		18360	31.5	490	1693.5
	A	16236	31.1	490	1494.6