China Standard 100% Purity Oil-Free Diaphragm Compressor No Leakage for Helium Hydrogen Gas Oxygen Gas Methane Gas Compressor with Good quality

Product Description

Diaphragm compressor according to the needs of the user, choose the right type of compressor to meet the needs of the user. The diaphragm of the metal diaphragm compressor completely separates the gas from the hydraulic oil system to ensure the purity of the gas and no pollution to the gas. At the same time, advanced manufacturing technology and accurate membrane cavity design technology are adopted to ensure the service life of the diaphragm compressor diaphragm. No pollution: the metal diaphragm group completely separates the process gas from the hydraulic oil and lubricating oil parts to ensure the gas purity.

Our company specialize in making various kinds of compressors, such as:Diaphragm compressor,Piston compressor, Air compressors,Nitrogen generator,Oxygen generator ,Gas cylinder,etc. All products can be customized according to your parameters and other requirements.

Our compressors can compress ammonia, propylene, nitrogen, oxygen, helium, hydrogen, hydrogen chloride, argon, hydrogen chloride, hydrogen sulfide, hydrogen bromide, ethylene, acetylene, etc.(Nitrogen diaphragm compressor,bottle filling compressor,oxygen diaphragm compressor)


  1. Good Sealing Performance .
  2. Cylinder has good heat dissipation performance .
  3. Completely Oil-free , the gas purity can be guaranteed to be higher than 99.999% .
  4. High Compression Ratios, High discharge pressure up to 1000bar .
  5. Long service life ,more than 20 years .

     Lubrication includes : oil free lubrication and splash lubrication
     Cooling method includes: Water cooling and air cooling.
     Type includes: V-type, W-type,D-type,Z-type

Product description
Main Structure
Diaphragm compressor structure is mainly composed of motor, base, crankcase, crankshaft linkage mechanism, cylinder components, crankshaft connecting rod, piston, oil and gas pipeline, electric control system and some accessories.

Gas Media type
Our compressors can compress ammonia, propylene, nitrogen, oxygen, helium, hydrogen, hydrogen chloride, argon, hydrogen chloride, hydrogen sulfide, hydrogen bromide, ethylene, acetylene, etc.(Nitrogen diaphragm compressor,bottle filling compressor,oxygen diaphragm compressor

Food industry, petroleum industry, chemical industry, electronics industry, nuclear power plant, aerospace, medicine, scientific research.

Outlet pressure at 50bar 200 bar, 350 bar (5000 psi), 450 bar, 500 bar, 700 bar (10,000 psi), 900 bar (13,000 psi) and other pressure can be customized .

GV series diaphragm compressor parameter table
No. Model Cooling water(L/h) Flow(Nm³/h) inlet
pressure (MPa)
Dimensions L×W×H(mm) Weight
Motor Power (kW)
Piston stroke is 70mm
1 GV-8/8-160 500 8 0.8 16 1310×686×980 650 3
2 GV-10/6-160 800 10 0.6~0.7 16 1200×600×1100 500 4
3 GV-10/8-160 800 10 0.8 16 1330×740×1080 650 4
4 GV-10/4-160 800 10 0.4 16 1330×740×1000 650 4
5 GV-7/8-350 800 7 0.8 16 1300×610×920 800 4
6 GV-15/5-160 800 15 0.5 16 1330×740×920 700 5.5
7 GV-5/7-350 1000 5 0.7 35 1400×845×1100 800 5.5
Piston stroke is 95mm
8 GV-5/200 400 5 Atmospheric pressure 20 1500×780×1080 750 3
9 GV-5/1-200 300 5 0.1 20 1520×800×1050 750 3
10 GV-11/1-25 600 11 0.1 2.5 1500×780×1080 850 4
11 GV-12/2-150 1000 12 0.2 15 1600×776×1080 750 5.5
12 GV-20/W-160 800 20 1 16 1500×800×1200 800 5.5
13 GV-30/5-30 800 30 0.5 1 1588×768×1185 980 5.5
14 GV-10/1-40 400 10 0.1 4 1475×580×1000 1000 5.5
15 GV-20/4 600 20 Atmospheric pressure 0.4 1500×900×1100 1000 5.5
16 GV-70/5-10 500 70 0.5 1 1595×795×1220 1000 5.5
17 GV-8/5-210 400 8 0.5 21 1600×880×1160 1571 5.5
18 GV-20/1-25 400 20 0.1 2.5 1450×840×1120 1050 5.5
19 GV-20/10 – 350 1200 20 1 35 1500×750×1140 800 7.5
20 GV-15/5-350 1050 15 0.5 35 1600×835×1200 1000 7.5
21 GV-20/8-250 1200 20 0.8 25 1520×825×1126 1000 7.5
22 GV-12/5-320 1200 12 0.5 32 1600×835×1130 1000 7.5
23 GV-15/8-350 1100 15 0.8 35 1520×820×1160 1571 7.5
24 GV-18/10-350 1200 18 1 35 1255×800×1480 1200 7.5
25 GV-35/4-25 300 35 0.4 2.5 1500×810×1100 1000 7.5
26 GV-50/6.5-36 2250 50 0.65 3.6 1450×850×1120 1048 7.5
27 GV-20/5-200 1200 20 0.5 20 1500×780×1080 800 7.5
Piston stroke is 130mm
28 GV-20/3-200 1200 20 0.3 20 2030×1125×1430 1800 15
29 GV-25/5 -160 1200 25 0.5 16 1930×1150×1450 1800 15
30 GV-40/0.5-10 1200 40 0.05 1.00 2035×1070×1730 1800 15
31 GV-20/200 1200 20 Atmospheric pressure 20 1850×1160×1400 1850 15
32 GV-90/30-200 1200 90 3 20 2030×970×1700 1800 22
33 GV-30/8-350 2400 30 0.8 35 2030×1125×1430 1800 22
34 GV-30/8-350 2400 30 0.8 35 2040×1125×1430 1800 22
35 GV-60/10-160 3000 60 1 16 1800×1100×1400 1800 22
36 GV-60/5-160 3000 60 0.5 16 2030×1125×1430 1800 22
37 GV-40/10-400 2000 40 1 40 2000×1150×1500 1800 22
38 GV-60/10-350 2400 60 1 35 2070×1125×1430 1800 22
39 GV-30/5-350 2000 30 0.5 35 1900×1130×1450 2000 22
40 GV-40/2.5-160 2000 40 0.25 16 1900×1130×1450 2000 22
41 GV-150/3.5-30 2000 150 0.35 3 1900×1130×1450 2000 22
42 GV-70/2.5-80 2000 70 0.25 8 1880×1060×1400 2120 22
43 GV-80/2.5-80 2000 80 0.25 8 1880×1060×1400 2120 22
44 GV-120/3.5-12 3600 120 0.35 1.2 2030×1045×1700 2200 22
45 GV-100/7-25 1200 100 0.7 2.5 2030×1045×1700 1900 30
46 GV-50/5-210 2000 50 0.5 21 1900×1130×1450 2000 30
47 GV-80/5-200 2000 80 0.5 20 1900×1130×1450 2000 22
48 GV-40/5-350 2000 40 0.5 35 1900×1130×1450 2000 30

Customized is accepted , Pls provide the following information to us ,then we will do the technical proposal and best price to you.
1.Flow rate:  _______Nm3/h
2.Gas Media : ______ Hydrogen or Natural Gas or Oxygen or other gas 
3.Inlet pressure: ___bar(g)
4.Inlet temperature:_____ºC
5.Outlet pressure:____bar(g)
6.Outlet temperature:____ºC
7.Installation location: _____indoor or outdoor
8.Location ambient temperature: ____ºC
9.Power supply:  _V/  _Hz/ _3Ph
10.Cooling method for gas: air cooling or water cooing


Picture Dispaly


Company strength display

HangZhou CHINAMFG Gas Equipment Co., Ltd. is a manufacturer engaged in the research and development, design and production of gas compressors. The company has its own production technology, processing equipment and assembly technology, and has many years of experience in the production of various flammable and explosive special gas compressors.

CHINAMFG compressor products cover almost all gas media, up to 6th-stage compression and 3000kw power. Products can be customized according to customer requirements to better meet customer needs. The products are mainly used in gas compressors in the petroleum industry, chemical and natural gas compressors, industrial compressors, compressors for waste gas treatment and biogas utilization, and compressors for special gases.

After Sales Service
1.Quick response within 2 to 8 hours, with a reaction rate exceeding 98%;
2. 24-hour telephone service, please feel free to contact us;
3. The whole machine is guaranteed for 1 year (excluding pipelines and human factors);
4. Provide consulting service for the service life of the whole machine, and provide 24-hour technical support via email;
5. On-site installation and commissioning by our experienced technicians;

Exhibition Display


Certificate display

Packaging and Shipping

1.How to get a prompt quotation of gas compressor ?
1)Flow Rate/Capacity : ___ Nm3/h
2)Suction/ Inlet Pressure : ____ Bar
3)Discharge/Outlet Pressure :____ Bar
4)Gas Medium :_____
5)Voltage and Frequency : ____ V/PH/HZ

2.How long is delivery time ?
Delivery time is around the 30-90 days .

3.What about the voltage of products? Can they be customized?
Yes, the voltage can be customized according to your inquire.

4.Can you accept OEM orders?
Yes, OEM orders is highly welcome.

5.Will you provide some spare parts of the machines?
Yes, we will .


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After-sales Service: Provide After-Sell Sevice
Warranty: 18 Months
Principle: Reciprocating Compressor
Application: High Back Pressure Type
Performance: Low Noise, Variable Frequency, Explosion-Proof
Mute: Mute


air compressor

How Do You Maintain a Gas Air Compressor?

Maintaining a gas air compressor is essential to ensure its optimal performance, longevity, and safe operation. Regular maintenance helps prevent breakdowns, extends the compressor’s lifespan, and promotes efficient operation. Here are some key maintenance steps for a gas air compressor:

1. Read the Manual:

Before performing any maintenance tasks, thoroughly read the manufacturer’s manual specific to your gas air compressor model. The manual provides important instructions and guidelines for maintenance procedures, including recommended intervals and specific maintenance requirements.

2. Check and Change the Oil:

Gas air compressors typically require regular oil changes to maintain proper lubrication and prevent excessive wear. Check the oil level regularly and change it according to the manufacturer’s recommendations. Use the recommended grade of oil suitable for your compressor model.

3. Inspect and Replace Air Filters:

Inspect the air filters regularly and clean or replace them as needed. Air filters prevent dust, debris, and contaminants from entering the compressor’s internal components. Clogged or dirty filters can restrict airflow and reduce performance. Follow the manufacturer’s guidelines for filter cleaning or replacement.

4. Drain Moisture from the Tank:

Gas air compressors accumulate moisture in the compressed air, which can lead to corrosion and damage to the tank and internal components. Drain the moisture from the tank regularly to prevent excessive moisture buildup. Refer to the manual for instructions on how to properly drain the moisture.

5. Check and Tighten Connections:

Regularly inspect all connections, fittings, and hoses for any signs of leaks or loose connections. Tighten any loose fittings and repair or replace damaged hoses or connectors. Leaks can lead to reduced performance and inefficiency.

6. Inspect Belts and Pulleys:

If your gas air compressor has belts and pulleys, inspect them for wear, tension, and proper alignment. Replace any worn or damaged belts and ensure proper tension to maintain optimal performance.

7. Clean the Exterior and Cooling Fins:

Keep the exterior of the gas air compressor clean from dirt, dust, and debris. Use a soft cloth or brush to clean the surfaces. Additionally, clean the cooling fins regularly to remove any accumulated debris that can impede airflow and cause overheating.

8. Schedule Professional Servicing:

While regular maintenance can be performed by the user, it is also important to schedule professional servicing at recommended intervals. Professional technicians can perform thorough inspections, conduct more complex maintenance tasks, and identify any potential issues that may require attention.

9. Follow Safety Precautions:

When performing maintenance tasks on a gas air compressor, always follow safety precautions outlined in the manual. This may include wearing protective gear, disconnecting the power source, and ensuring proper ventilation in confined spaces.

By following these maintenance steps and adhering to the manufacturer’s guidelines, you can keep your gas air compressor in optimal condition, prolong its lifespan, and ensure safe and efficient operation.

air compressor

Can Gas Air Compressors Be Used for Pneumatic Tools?

Yes, gas air compressors can be used for pneumatic tools. Here’s a detailed explanation:

1. Versatile Power Source:

Gas air compressors, powered by gasoline or diesel engines, provide a portable and versatile power source for operating pneumatic tools. They eliminate the need for electrical power supply, making them suitable for remote locations or construction sites where electricity may not be readily available.

2. High Power Output:

Gas air compressors typically offer higher power output compared to electric compressors of similar size. This high power output enables gas compressors to deliver the necessary air pressure and volume required by pneumatic tools, ensuring optimal tool performance.

3. Mobility and Portability:

Gas air compressors are often designed with mobility and portability in mind. They are compact and equipped with wheels or handles, allowing for easy transportation to different job sites. This mobility is advantageous when using pneumatic tools in various locations or when working in confined spaces.

4. Continuous Operation:

Gas air compressors can provide continuous air supply for pneumatic tools without the need for frequent pauses or recharging. As long as there is an adequate fuel supply, gas compressors can operate for extended periods, allowing uninterrupted use of pneumatic tools for tasks such as drilling, nailing, sanding, or painting.

5. Suitable for High-Demand Applications:

Pneumatic tools used in heavy-duty applications often require a robust air supply to meet their performance requirements. Gas air compressors can generate higher air flow rates and maintain higher operating pressures, making them suitable for high-demand pneumatic tools like jackhammers, impact wrenches, or sandblasters.

6. Flexibility in Compressor Size:

Gas air compressors are available in various sizes and capacities, allowing users to choose the compressor that best matches the air demands of their pneumatic tools. From small portable compressors for light-duty tasks to larger industrial-grade compressors for heavy-duty applications, there is a wide range of options to suit different tool requirements.

7. Reduced Dependency on Electrical Infrastructure:

Using gas air compressors for pneumatic tools reduces reliance on electrical infrastructure. In situations where the electrical power supply is limited, unreliable, or expensive, gas compressors offer a viable alternative, ensuring consistent tool performance without concerns about power availability.

It’s important to note that gas air compressors emit exhaust gases during operation, so proper ventilation is necessary when using them in enclosed spaces to ensure the safety of workers.

In summary, gas air compressors can effectively power pneumatic tools, offering mobility, high power output, continuous operation, and suitability for various applications. They provide a reliable and portable solution for utilizing pneumatic tools in locations where electrical power supply may be limited or unavailable.

air compressor

Are There Different Types of Gas Air Compressors Available?

Yes, there are different types of gas air compressors available, each designed to suit specific applications and requirements. These different types vary in terms of design, power source, configuration, and intended use. Here’s a detailed explanation of the various types of gas air compressors:

1. Reciprocating Gas Air Compressors:

Reciprocating gas air compressors, also known as piston compressors, use a reciprocating motion of one or more pistons to compress the air. These compressors are commonly used for small to medium-scale applications and are available in both single-stage and two-stage configurations. Single-stage compressors compress the air in a single stroke, while two-stage compressors use an additional cylinder for further compression, resulting in higher pressures.

2. Rotary Screw Gas Air Compressors:

Rotary screw gas air compressors utilize two interlocking helical screws to compress the air. These compressors are known for their continuous and efficient operation, making them suitable for demanding industrial applications. They are often used in industries such as manufacturing, construction, and automotive where a constant supply of compressed air is required.

3. Rotary Vane Gas Air Compressors:

Rotary vane gas air compressors use a rotor with sliding vanes to compress the air. As the rotor rotates, the vanes slide in and out, creating compression chambers that compress the air. These compressors are compact, reliable, and often used for smaller-scale applications or in situations where space is limited.

4. Centrifugal Gas Air Compressors:

Centrifugal gas air compressors operate by accelerating the air using a high-speed impeller. The accelerated air is then redirected into a diffuser, which converts the velocity energy into pressure energy. These compressors are commonly used for large-scale applications requiring high volumes of compressed air, such as in power plants, refineries, or chemical processing industries.

5. Oil-Free Gas Air Compressors:

Oil-free gas air compressors are designed to provide clean, oil-free compressed air. They feature special sealing mechanisms and materials to prevent oil contamination in the compressed air. These compressors are commonly used in industries where oil-free air is essential, such as food and beverage processing, pharmaceuticals, electronics manufacturing, and painting applications.

6. Portable Gas Air Compressors:

Portable gas air compressors are specifically designed for mobility and ease of transportation. These compressors often feature wheels, handles, or trailers for convenient movement. They are commonly used in construction sites, remote job locations, outdoor events, or other situations where compressed air is needed at different locations.

7. High-Pressure Gas Air Compressors:

High-pressure gas air compressors are designed to generate compressed air at elevated pressures. These compressors are used in applications that require air pressure higher than the standard range, such as in diving operations, breathing air systems, or specialized industrial processes.

8. Biogas Air Compressors:

Biogas air compressors are specifically designed to compress biogas, which is generated from the decomposition of organic matter. These compressors are used in biogas production facilities, landfills, wastewater treatment plants, or agricultural operations where biogas is produced and utilized as an energy source.

These are just a few examples of the different types of gas air compressors available. Each type has its own advantages and is suitable for specific applications based on factors such as required airflow, pressure, mobility, oil-free operation, and environmental considerations. It’s important to choose the appropriate type of gas air compressor based on the specific needs of the application to ensure optimal performance and efficiency.

China Standard 100% Purity Oil-Free Diaphragm Compressor No Leakage for Helium Hydrogen Gas Oxygen Gas Methane Gas Compressor   with Good qualityChina Standard 100% Purity Oil-Free Diaphragm Compressor No Leakage for Helium Hydrogen Gas Oxygen Gas Methane Gas Compressor   with Good quality
editor by CX 2024-04-19