China supplier Stainless Steel Sanitary Dry Screw Vacuum Pump with Funnel with Hot selling

Product Description


Name Stainless Steel Sanitary Dry Screw Vacuum Pump with Funnel
Mechanical seals SiC/SiC or TuC/SiC.
Industry Mechanical Pump
Power Electric
Temperature 0-80 celsius degree
Pressure 0-8bar
Body Material SS304, SS316L
Sealing Material Ssc-Sic/EPDM
Inner Surface Finish Ra 0.5
External Surface Finish Ra 0.8
Outlet pressure 0.6Mpa
Caliber 20mm-100m
Rotational Speed 1400-720(r/min)
Connections Clamp, SMS, RJT, etc.
Application Fine chemical, petroleum chemical,bio-pharmacy,coating and oil inks,pesticides, food industry.

Quality guarantee of 3 years
ISO 9001, FDA, SGS approved materials
7-10 days fast delivery on urgent requirements
10 years’ Rich exporting experience to make you easy and happy with custom work

Ezo stainless steel company was started in 2007. Located in the stainless steel industry zone, HangZhou, China.
Ezo stainless steel is the branch company of CHINAMFG valves co.,ltd
Totally 145nos of workers and the factory Covers 6800m2. Till now, we have 50 sets of imported and local brand CNC machines ; Plus, we have 2 sets of automatic machining unit.
To assure better quality, we have the full inspecting quality control equipment: 2nos Ra roughness instrument, 3nos stainless steel spectrometer, numbers of roundness instrument, numbers of thickness instrument, numbers of radius instrument, 3 nos pressure testing center.
Ezo stainless steel provides the following materials:
Stainless steel butt welded tube pipe fittings and screwed tube pipe fittings ( butt welded elbow /bend, butt welded tee, butt welded reducers, stub ends, pipe caps,screwed elbows, screwed tee, screwed reducers, hex nipples, couplings
Stainless steel flanges(weld neck flange, slip on flange ,blind flange, plate flange ,lap joint flange, socket flange, threaded flange, square flange, marine flange
stainless steel  filter strainers ( Y filter, inline filter, L filter, housing filter
Stainless steel pumps ( stainless steel centrifugal pump, rotary lobe pump, CIP pump,screw pump, emulsion pump)
Stainless steel man-ways ( Pressure type man-way, non pressure man-way, round man-way, rectangular man-way
Stainless steel tanks ( storage tanks, mixing tanks,emulsion tanks, water tanks
Ezo stainless steel services for food, beverage, dairy, chemical, bioth, pharmaceutical, chemical, oil and etc industries.
Ezo stainless steel customers are from 80 different countries.After so many years, CHINAMFG knows more about different requirements from different countries’ customers.
Ezo stainless steel believes in “What we say, what we do”. We always believe honesty and responsibility is the only way leading to long term business relationship. Trying our best for customers and put ourselves into customers’ shoes.
Our commitment ” Never let customers leave us because our poor service”.
Making business with us, making friends with us.

Product Range Stainless steel tube pipe fittings 
Stainless steel flanges
stainless steel filter strainers 
Stainless steel pumps 
Stainless steel man-ways
Stainless steel tanks
Year Established 2007
Factory Size in Square Meters 6800M2
Production Capital USD
Detail capacity/ MONTH Butt welded/screw fittings
  Manhole cover
Investment in Manufacturing Equipment 750000usd
OUR EQUIPMENTS 50 nos of CNC Machines
4 nos of press
2 nos of full-automatic CNC center
12 nos of plain lathe
12 nos of grinding machine
3 nos of cutting machine
3 nos of chamfering machine
40 nos of polishing machine
2 nos of hardness test machine
3 nos of laser marking machine
3 nos of pressure testing machine
1 nos of temperature testing machine
3 nos of spectro instrument
2 nos of surface roughness device
Primary Competitive Advantages Strict inspection , honest business way, fast revert on order problem
OEM Services Provided yes
Design Service Offered yes
Export Percentage 80%
MAIN MARKET USA, Germany, Hungary, Canada, Thailand, Holland, England, South Africa,Indonesia, Saudi, India, New Zealand, Australia, Middle East…
Own Brand Name EZO


After-sales Service: Yes
Warranty: 3years(Spare Parts Excluded)
Max.Head: 80-110m
US$ 100/Piece
1 Piece(Min.Order)


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

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

Considerations for Selecting a Vacuum Pump for Cleanroom Applications

When it comes to selecting a vacuum pump for cleanroom applications, several considerations should be taken into account. Here’s a detailed explanation:

Cleanrooms are controlled environments used in industries such as semiconductor manufacturing, pharmaceuticals, biotechnology, and microelectronics. These environments require strict adherence to cleanliness and particle control standards to prevent contamination of sensitive processes or products. Selecting the right vacuum pump for cleanroom applications is crucial to maintain the required level of cleanliness and minimize the introduction of contaminants. Here are some key considerations:

1. Cleanliness: The cleanliness of the vacuum pump is of utmost importance in cleanroom applications. The pump should be designed and constructed to minimize the generation and release of particles, oil vapors, or other contaminants into the cleanroom environment. Oil-free or dry vacuum pumps are commonly preferred in cleanroom applications as they eliminate the risk of oil contamination. Additionally, pumps with smooth surfaces and minimal crevices are easier to clean and maintain, reducing the potential for particle buildup.

2. Outgassing: Outgassing refers to the release of gases or vapors from the surfaces of materials, including the vacuum pump itself. In cleanroom applications, it is crucial to select a vacuum pump with low outgassing characteristics to prevent the introduction of contaminants into the environment. Vacuum pumps specifically designed for cleanroom use often undergo special treatments or use materials with low outgassing properties to minimize this effect.

3. Particle Generation: Vacuum pumps can generate particles due to the friction and wear of moving parts, such as rotors or vanes. These particles can become a source of contamination in cleanrooms. When selecting a vacuum pump for cleanroom applications, it is essential to consider the pump’s particle generation level and choose pumps that have been designed and tested to minimize particle emissions. Pumps with features like self-lubricating materials or advanced sealing mechanisms can help reduce particle generation.

4. Filtration and Exhaust Systems: The filtration and exhaust systems associated with the vacuum pump are critical for maintaining cleanroom standards. The vacuum pump should be equipped with efficient filters that can capture and remove any particles or contaminants generated during operation. High-quality filters, such as HEPA (High-Efficiency Particulate Air) filters, can effectively trap even the smallest particles. The exhaust system should be properly designed to ensure that filtered air is released outside the cleanroom or passes through additional filtration before being reintroduced into the environment.

5. Noise and Vibrations: Noise and vibrations generated by vacuum pumps can have an impact on cleanroom operations. Excessive noise can affect the working environment and compromise communication, while vibrations can potentially disrupt sensitive processes or equipment. It is advisable to choose vacuum pumps specifically designed for quiet operation and that incorporate measures to minimize vibrations. Pumps with noise-dampening features and vibration isolation systems can help maintain a quiet and stable cleanroom environment.

6. Compliance with Standards: Cleanroom applications often have specific industry standards or regulations that must be followed. When selecting a vacuum pump, it is important to ensure that it complies with relevant cleanroom standards and requirements. Considerations may include ISO cleanliness standards, cleanroom classification levels, and industry-specific guidelines for particle count, outgassing levels, or allowable noise levels. Manufacturers that provide documentation and certifications related to cleanroom suitability can help demonstrate compliance.

7. Maintenance and Serviceability: Proper maintenance and regular servicing of vacuum pumps are essential for their reliable and efficient operation. When choosing a vacuum pump for cleanroom applications, consider factors such as ease of maintenance, availability of spare parts, and access to service and support from the manufacturer. Pumps with user-friendly maintenance features, clear service instructions, and a responsive customer support network can help minimize downtime and ensure continued cleanroom performance.

In summary, selecting a vacuum pump for cleanroom applications requires careful consideration of factors such as cleanliness, outgassing characteristics, particle generation, filtration and exhaust systems, noise and vibrations, compliance with standards, and maintenance requirements. By choosing vacuum pumps designed specifically for cleanroom use and considering these key factors, cleanroom operators can maintain the required level of cleanliness and minimize the risk of contamination in their critical processes and products.

vacuum pump

What Is a Vacuum Pump, and How Does It Work?

A vacuum pump is a mechanical device used to create and maintain a vacuum or low-pressure environment within a closed system. Here’s a detailed explanation:

A vacuum pump operates on the principle of removing gas molecules from a sealed chamber, reducing the pressure inside the chamber to create a vacuum. The pump accomplishes this through various mechanisms and techniques, depending on the specific type of vacuum pump. Here are the basic steps involved in the operation of a vacuum pump:

1. Sealed Chamber:

The vacuum pump is connected to a sealed chamber or system from which air or gas molecules need to be evacuated. The chamber can be a container, a pipeline, or any other enclosed space.

2. Inlet and Outlet:

The vacuum pump has an inlet and an outlet. The inlet is connected to the sealed chamber, while the outlet may be vented to the atmosphere or connected to a collection system to capture or release the evacuated gas.

3. Mechanical Action:

The vacuum pump creates a mechanical action that removes gas molecules from the chamber. Different types of vacuum pumps use various mechanisms for this purpose:

– Positive Displacement Pumps: These pumps physically trap gas molecules and remove them from the chamber. Examples include rotary vane pumps, piston pumps, and diaphragm pumps.

– Momentum Transfer Pumps: These pumps use high-speed jets or rotating blades to transfer momentum to gas molecules, pushing them out of the chamber. Examples include turbomolecular pumps and diffusion pumps.

– Entrapment Pumps: These pumps capture gas molecules by adsorbing or condensing them on surfaces or in materials within the pump. Cryogenic pumps and ion pumps are examples of entrainment pumps.

4. Gas Evacuation:

As the vacuum pump operates, it creates a pressure differential between the chamber and the pump. This pressure differential causes gas molecules to move from the chamber to the pump’s inlet.

5. Exhaust or Collection:

Once the gas molecules are removed from the chamber, they are either exhausted into the atmosphere or collected and processed further, depending on the specific application.

6. Pressure Control:

Vacuum pumps often incorporate pressure control mechanisms to maintain the desired level of vacuum within the chamber. These mechanisms can include valves, regulators, or feedback systems that adjust the pump’s operation to achieve the desired pressure range.

7. Monitoring and Safety:

Vacuum pump systems may include sensors, gauges, or indicators to monitor the pressure levels, temperature, or other parameters. Safety features such as pressure relief valves or interlocks may also be included to protect the system and operators from overpressure or other hazardous conditions.

It’s important to note that different types of vacuum pumps have varying levels of vacuum they can achieve and are suitable for different pressure ranges and applications. The choice of vacuum pump depends on factors such as the required vacuum level, gas composition, pumping speed, and the specific application’s requirements.

In summary, a vacuum pump is a device that removes gas molecules from a sealed chamber, creating a vacuum or low-pressure environment. The pump accomplishes this through mechanical actions, such as positive displacement, momentum transfer, or entrapment. By creating a pressure differential, the pump evacuates gas from the chamber, and the gas is either exhausted or collected. Vacuum pumps play a crucial role in various industries, including manufacturing, research, and scientific applications.

China supplier Stainless Steel Sanitary Dry Screw Vacuum Pump with Funnel   with Hot selling	China supplier Stainless Steel Sanitary Dry Screw Vacuum Pump with Funnel   with Hot selling
editor by CX 2023-10-29