China Good quality Piston Cryogenic Liquid Nitrogen Pump Vacuum Pump vacuum pump ac system

Product Description

Product Description

Cryogenic Liquid Pump

Industrial gas pumps are mainly used for air separation products: liquid oxygen, liquid nitrogen, liquid argon, liquid carbon dioxide filling, gas supply systems. The unit is mainly single-row, double-row, and three-row reciprocating pumps. For specific parameters, see the parameter tables.

The flow rate is 30-5000 L/h, and the outlet pressure is up to 35.0 MPa. The motor can be equipped with electromagnetic speed regulating motor, fixed speed motor, frequency conversion motor, explosion-proof motor and explosion-proof variable frequency motor according to actual needs.


1.Such pumps are mainly used for liquid oxygen, liquid nitrogen, liquid argon and liquefied natural gas.
2.Filling of all kinds of cylinders with light, medium and high loads
3.Filling of all kinds of storage tanks
4.Air supply, air distribution systems

Main technical parameters
Flow: 50-5000 L/h
Maximum exit pressure:16.5 Mpa-35.0 Mpa

Performance features
1.A such pump has classic design and stableperformances; its service life can reach 20 years;
2.A high vacuum jacket pump head is used, and the vacuum degree reaches 10-5 torr so as to reduce cold loss;
3.Its seal is reliable: the service life of packing can reach 150,000 times/cylinder and the service life of the piston ring is as long as 300,000 times/cylinders;
4.An auxiliary gas sealing device can be equipped to further enhance the service life of the sealing element;
5.Maintenance is convenient: it merely takes 2 hours to perform a routine maintenance;
6.The pump can be continuously operated for 24 hours.

Product Parameters

Table of Industrial Gas Filling Cylinder Performance Parameters

Model NO. Flow Inlet
Power Size
L/h Mpa Mpa KW Liquid inlet Liquid outlet Return air
SBP50-150/165 1 50-150 0.02-0.8 16.5 4 25 10 25
SBP100-250/165 1 100-250 0.02-0.8 16.5 4 25 10 25
SBP200-350/165 1 200-350 0.02-0.8 16.5 4 25 10 25
SBP200-450/165 1 200-450 0.02-0.8 16.5 5.5 25 10 25
SBP300-600/165 1 300-600 0.02-0.8 16.5 7.5 25 10 25
SBP300-700/165 1 300-700 0.02-0.8 16.5 11 25 10 25
SBP400-800/165 1 400-800 0.02-0.8 16.5 11 32 15 25
SBP500-1000/165 1 500-1000 0.02-0.8 16.5 11 32 15 25
SBP600-1200/165 1 600-1200 0.02-0.8 16.5 15 32 15 25
SBP200-450/250 1 200-450 0.02-0.8 25 7.5 32 15 25
SBP300-600/250 1 300-600 0.02-0.8 25 11 32 15 25
SBP400-800/250 1 400-800 0.02-0.8 25 15 32 15 25
SBP200-450/350 1 200-450 0.02-0.8 35 11 32 15 25
SBP300-600/350 1 300-600 0.02-0.8 35 15 32 15 25

SBP800-1500/165 2 800-1500 0.02-0.8 16.5 15 40 15 32
SBP1000-2000/165 2 1000-2000 0.02-0.8 16.5 22 40 15 32
SBP1000-2500/165 2 1000-2500 0.02-0.8 16.5 30 40 15 32
SBP800-1500/250 2 800-1500 0.02-0.8 25 22 40 15 32
SBP800-2000/250 2 800-2000 0.02-0.8 25 30 40 15 32
SBP800-1500/350 2 800-1500 0.02-0.8 35 37 40 15 32

SBP1500-3000/165 3 1500-3000 0.02-0.8 16.5 30 50 20 40
SBP2000-4000/165 3 2000-4000 0.02-0.8 16.5 37 50 20 40
SBP2000-4500/165 3 2000-4500 0.02-0.8 16.5 37 50 20 40
SBP2500-5000/165 3 2500-5000 0.02-0.8 16.5 37 50 20 40
SBP1500-3000/250 3 1500-3000 0.02-0.8 25 45 50 20 40
SBP2000-4500/250 3 2000-4500 0.02-0.8 25 75 50 20 40
SBP1500-3000/350 3 1500-3000 0.02-0.8 35 55 50 20 40


Packaging & Shipping

Company Profile

Related products


After-sales Service: 1 Year
Warranty: 1 Year
Structure: Single Cylinder
Power: Electric
Application: Machinery Manufacturing
Performance: Corrosion


piston vacuum pump

What Are the Typical Applications of Piston Vacuum Pumps?

Piston vacuum pumps find applications in various industries and processes. Here’s a detailed explanation of the typical applications of piston vacuum pumps:

1. Laboratories and Research Facilities:

– Piston vacuum pumps are commonly used in laboratories and research facilities for a wide range of applications.

– They are utilized in vacuum ovens, freeze dryers, vacuum filtration systems, and other equipment requiring controlled evacuation.

2. Pharmaceuticals and Biotechnology:

– In the pharmaceutical and biotechnology industries, piston vacuum pumps are employed for processes such as solvent evaporation, distillation, and filtration.

– They are used in drug manufacturing, vaccine production, and research involving biochemistry and molecular biology.

3. Food Processing and Packaging:

– Piston vacuum pumps play a vital role in the food processing and packaging industry.

– They are used in vacuum packaging machines to remove air from packaging containers, extending the shelf life of food products.

4. HVAC and Refrigeration Systems:

– Piston vacuum pumps are utilized in HVAC (Heating, Ventilation, and Air Conditioning) systems and refrigeration systems.

– They help evacuate air and moisture from the systems to achieve the desired pressure and prevent contamination.

5. Manufacturing and Industrial Processes:

– Piston vacuum pumps are employed in various manufacturing and industrial processes.

– They are used for degassing, vacuum impregnation, vacuum drying, and other applications that require controlled evacuation.

6. Automotive Industry:

– In the automotive industry, piston vacuum pumps are often used in brake booster systems.

– They create a vacuum to assist in brake actuation, providing the necessary power for braking.

7. Electronics and Semiconductor Manufacturing:

– Piston vacuum pumps are utilized in electronics and semiconductor manufacturing processes.

– They help create a controlled environment with low-pressure conditions during the production of microchips, integrated circuits, and other electronic components.

8. Environmental Monitoring and Analysis:

– Piston vacuum pumps are utilized in environmental monitoring and analysis equipment.

– They are used in air sampling devices, gas analyzers, and other instruments that require precise vacuum control.

9. Scientific Research and Vacuum Systems:

– Piston vacuum pumps are employed in various scientific research applications.

– They are used in vacuum systems for particle accelerators, electron microscopes, mass spectrometers, surface analysis instruments, and other scientific equipment.

In summary, piston vacuum pumps have diverse applications in laboratories, pharmaceuticals, food processing, HVAC systems, manufacturing processes, automotive industry, electronics, environmental monitoring, scientific research, and more. Their ability to provide controlled evacuation and achieve moderate vacuum levels makes them suitable for a wide range of industries and processes.

piston vacuum pump

Are There Noise Considerations When Using Piston Vacuum Pumps?

Yes, there are noise considerations to take into account when using piston vacuum pumps. Here’s a detailed explanation:

– Piston vacuum pumps can generate noise during their operation, which is important to consider, especially in environments where noise levels need to be minimized.

– The noise produced by piston vacuum pumps is primarily caused by mechanical vibrations and the movement of internal components.

– The noise level can vary depending on factors such as the design and construction of the pump, the speed of operation, and the load conditions.

– Excessive noise from piston vacuum pumps can have several implications:

– Occupational Health and Safety: High noise levels can pose a risk to the health and safety of operators and personnel working in the vicinity of the pump. Prolonged exposure to loud noise can lead to hearing damage and other related health issues.

– Environmental Impact: In certain settings, such as residential areas or noise-sensitive locations, excessive noise from piston vacuum pumps may result in noise pollution and non-compliance with local noise regulations.

– Equipment Interference: Noise generated by the pump can interfere with the operation of nearby sensitive equipment, such as electronic devices or precision instruments, potentially affecting their performance.

– To mitigate the noise produced by piston vacuum pumps, several measures can be taken:

– Enclosures and Sound Insulation: Installing acoustic enclosures or sound-insulating materials around the pump can help contain and reduce the noise. These enclosures are designed to absorb or block the sound waves generated by the pump.

– Vibration Isolation: Using vibration isolation mounts or pads can help minimize the transmission of vibrations from the pump to surrounding structures, reducing the noise level.

– Maintenance and Lubrication: Regular maintenance, including lubrication of moving parts, can help reduce friction and mechanical noise generated by the pump.

– Operating Conditions: Adjusting the operating conditions of the pump, such as speed and load, within the manufacturer’s specified limits can help optimize performance and minimize noise generation.

– Location and Placement: Proper positioning and placement of the pump, considering factors such as distance from occupied areas or sensitive equipment, can help minimize the impact of noise.

– It is important to consult the manufacturer’s guidelines and recommendations regarding noise levels and any specific measures to mitigate noise for a particular piston vacuum pump model.

– Compliance with local regulations and standards regarding noise emissions should also be considered and adhered to.

In summary, noise considerations are important when using piston vacuum pumps to ensure the health and safety of personnel, minimize environmental impact, and prevent interference with other equipment. Measures such as enclosures, vibration isolation, maintenance, and proper operating conditions can help mitigate the noise generated by these pumps.

piston vacuum pump

Can Piston Vacuum Pumps Handle Corrosive Gases or Vapors?

Piston vacuum pumps are generally not suitable for handling corrosive gases or vapors. Here’s a detailed explanation:

1. Construction Materials:

– Piston vacuum pumps are typically constructed with materials such as cast iron, aluminum, stainless steel, and various elastomers.

– While these materials offer good resistance to normal operating conditions, they may not be compatible with corrosive substances.

– Corrosive gases or vapors can attack and degrade the pump’s internal components, leading to reduced performance, increased wear, and potential failure.

2. Sealing and Contamination:

– Piston vacuum pumps rely on tight seals and clearances to maintain the vacuum and prevent leakage.

– Corrosive gases or vapors can degrade the seals and compromise their effectiveness.

– This can result in increased leakage, reduced pumping efficiency, and potential contamination of the pump and the surrounding environment.

3. Maintenance and Service:

– Handling corrosive gases or vapors requires specialized knowledge, materials, and maintenance procedures.

– The pump may need additional protective measures, such as corrosion-resistant coatings or specialized seal materials, to withstand the corrosive environment.

– Regular inspection, cleaning, and replacement of components may also be necessary to maintain the pump’s performance and prevent damage.

4. Alternative Pump Options:

– If corrosive gases or vapors are involved in the application, it is advisable to consider alternative pump technologies that are specifically designed to handle such substances.

– For corrosive gases, chemical-resistant pumps like diaphragm pumps, peristaltic pumps, or dry screw pumps may be more suitable.

– These pumps are constructed with materials that offer superior resistance to corrosion and can handle a wide range of corrosive substances.

– It is essential to consult the pump manufacturer or a vacuum system specialist to select the appropriate pump for handling corrosive gases or vapors.

In summary, piston vacuum pumps are generally not recommended for handling corrosive gases or vapors due to their construction materials, sealing limitations, and the potential for damage and contamination. It is crucial to choose a pump specifically designed to handle corrosive substances or consider alternative pump technologies that can provide the required chemical resistance and performance.

China Good quality Piston Cryogenic Liquid Nitrogen Pump Vacuum Pump   vacuum pump ac system	China Good quality Piston Cryogenic Liquid Nitrogen Pump Vacuum Pump   vacuum pump ac system
editor by CX 2023-11-02