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 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 .

How does a diaphragm compressor work?
A diaphragm compressor is a variant of the classic reciprocating compressor with backup and piston rings and rod seal. The compression of gas occurs by means of a flexible membrane, instead of an intake element. The back and forth moving membrane is driven by a rod and a crankshaft mechanism.

Parameter tables

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 cooling

Picture Dispaly


Company strength display

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-Sales Service
Warranty: 18months
Principle: Reciprocating Compressor
Application: High Back Pressure Type
Performance: Low Noise, Variable Frequency, Explosion-Proof
Mute: Mute


air compressor

Can Gas Air Compressors Be Used for High-Pressure Applications?

Gas air compressors can be used for high-pressure applications, but there are certain considerations to keep in mind. Here’s a detailed explanation:

Gas air compressors are available in various sizes and configurations, and their suitability for high-pressure applications depends on factors such as the compressor’s design, power output, and the specific requirements of the application. Here are some key points to consider:

1. Compressor Design:

Not all gas air compressors are designed to handle high-pressure applications. Some compressors are specifically built for low-to-medium pressure ranges, while others are designed to deliver higher pressure outputs. It is important to select a gas air compressor model that is rated for the desired pressure range. The compressor’s specifications and manufacturer’s guidelines will provide information on the maximum pressure it can generate.

2. Power Output:

The power output of a gas air compressor is a crucial factor in determining its suitability for high-pressure applications. High-pressure compressors require more power to achieve and sustain the desired pressure levels. It is important to ensure that the gas air compressor has sufficient power output to meet the demands of the specific high-pressure application.

3. Cylinder Configuration:

The cylinder configuration of the gas air compressor can also affect its ability to handle high-pressure applications. Compressors with multiple cylinders or stages are designed to generate higher pressures compared to compressors with a single cylinder. Multi-stage compressors compress the air in multiple steps, allowing for higher pressure ratios.

4. Safety Considerations:

High-pressure applications require careful attention to safety considerations. Gas air compressors used for high-pressure applications should be equipped with appropriate safety features such as pressure relief valves, pressure gauges, and safety shut-off systems. It is crucial to follow all safety guidelines and regulations to ensure safe operation.

5. Maintenance and Inspection:

Regular maintenance and inspection are essential for gas air compressors used in high-pressure applications. High-pressure operation can put additional stress on the compressor components, and proper maintenance helps ensure optimal performance and safety. Regular inspections and adherence to maintenance schedules will help identify and address any potential issues before they become major problems.

6. Application-specific Considerations:

Each high-pressure application may have specific requirements and considerations. It is important to evaluate factors such as the required pressure level, duty cycle, flow rate, and any specific environmental conditions that may impact the performance of the gas air compressor. Consulting with the compressor manufacturer or a qualified professional can help determine the suitability of a gas air compressor for a particular high-pressure application.

In summary, gas air compressors can be used for high-pressure applications, provided that they are designed, rated, and configured appropriately. It is essential to consider factors such as compressor design, power output, safety features, maintenance requirements, and application-specific considerations to ensure safe and reliable operation at high pressures.

air compressor

What Is the Role of Air Receivers in Gas Air Compressor Systems?

Air receivers play a crucial role in gas air compressor systems by serving as storage tanks for compressed air. Here’s a detailed explanation:

1. Storage and Stabilization:

The primary function of an air receiver is to store compressed air generated by the gas air compressor. As the compressor produces compressed air, the air receiver collects and stores it. This storage capacity helps meet fluctuating demand in compressed air usage, providing a buffer between the compressor and the system’s air consumption.

By storing compressed air, the air receiver helps stabilize the supply to the system, reducing pressure fluctuations and ensuring a consistent and reliable flow of compressed air. This is particularly important in applications where the demand for compressed air may vary or experience peaks and valleys.

2. Pressure Regulation:

Another role of the air receiver is to assist in pressure regulation within the gas air compressor system. As compressed air enters the receiver, the pressure inside increases. When the pressure reaches a predetermined upper limit, typically set by a pressure switch or regulator, the compressor stops supplying air, and the excess air is stored in the receiver.

Conversely, when the pressure in the system drops below a certain lower limit, the pressure switch or regulator signals the compressor to start, replenishing the compressed air in the receiver and maintaining the desired pressure level. This cycling of the compressor based on pressure levels helps regulate and control the overall system pressure.

3. Condensate Separation:

During the compression process, moisture or condensate can form in the compressed air due to the cooling effect. The air receiver acts as a reservoir that allows the condensate to settle at the bottom, away from the outlet. The receiver often includes a drain valve at the bottom to facilitate the removal of accumulated condensate, preventing it from reaching downstream equipment and causing potential damage or performance issues.

4. Energy Efficiency:

Air receivers contribute to energy efficiency in gas air compressor systems. They help optimize the operation of the compressor by reducing the occurrence of short-cycling, which refers to frequent on-off cycling of the compressor due to rapid pressure changes. Short-cycling can cause excessive wear on the compressor and reduce its overall efficiency.

The presence of an air receiver allows the compressor to operate in longer and more efficient cycles. The compressor runs until the receiver reaches the upper pressure limit, ensuring a more stable and energy-efficient operation.

5. Air Quality Improvement:

Depending on the design, air receivers can also aid in improving air quality in the compressed air system. They provide a space for the compressed air to cool down, allowing moisture and some contaminants to condense and separate from the air. This can be further enhanced with the use of additional filtration and drying equipment installed downstream of the receiver.

In summary, air receivers play a vital role in gas air compressor systems by providing storage capacity, stabilizing compressed air supply, regulating system pressure, separating condensate, improving energy efficiency, and contributing to air quality control. They are an integral component in ensuring the reliable and efficient operation of compressed air systems across various industries and applications.

air compressor

What Are the Primary Applications of Gas Air Compressors?

Gas air compressors have a wide range of applications across various industries and activities. These compressors, powered by gas engines, provide a portable and versatile source of compressed air. Here’s a detailed explanation of the primary applications of gas air compressors:

1. Construction Industry:

Gas air compressors are extensively used in the construction industry. They power a variety of pneumatic tools and equipment, such as jackhammers, nail guns, impact wrenches, and concrete breakers. The portable nature of gas air compressors makes them ideal for construction sites where electricity may not be readily available or practical to use.

2. Agriculture and Farming:

Gas air compressors find applications in the agricultural sector. They are used to operate air-powered machinery and tools, including pneumatic seeders, sprayers, and agricultural pumps. Gas air compressors provide the necessary power to carry out tasks such as crop seeding, irrigation, and pest control in agricultural settings.

3. Recreational Activities:

Gas air compressors are commonly utilized in recreational activities. They are used to inflate tires, sports balls, inflatable structures, and recreational equipment such as air mattresses, rafts, and inflatable toys. Gas air compressors provide a convenient and portable solution for inflating various recreational items in outdoor settings.

4. Mobile Service Operations:

Gas air compressors are employed in mobile service operations, such as mobile mechanics, tire service providers, and mobile equipment repair services. These compressors power air tools and equipment required for on-site repairs, maintenance, and servicing of vehicles, machinery, and equipment. The mobility of gas air compressors allows service providers to bring their tools and compressed air source directly to the location of the service requirement.

5. Remote Job Sites:

Gas air compressors are well-suited for remote job sites or locations without access to electricity. They are commonly used in industries such as mining, oil and gas exploration, and remote construction projects. Gas air compressors power pneumatic tools, machinery, and drilling equipment in these environments, providing a reliable source of compressed air for operational needs.

6. Emergency and Backup Power:

In emergency situations or during power outages, gas air compressors can serve as a backup power source. They can power essential equipment and systems that rely on compressed air, such as emergency lighting, communication devices, medical equipment, and backup generators. Gas air compressors provide a reliable alternative power solution when electrical power is unavailable or unreliable.

7. Sandblasting and Surface Preparation:

Gas air compressors are used in sandblasting and surface preparation applications. They provide the high-pressure air necessary for propelling abrasive media, such as sand or grit, to remove paint, rust, or other coatings from surfaces. Gas air compressors offer the power and portability required for sandblasting operations in various industries, including automotive, metal fabrication, and industrial maintenance.

8. Off-Road and Outdoor Equipment:

Gas air compressors are commonly integrated into off-road and outdoor equipment, such as off-road vehicles, utility trucks, and recreational vehicles. They power air-operated systems, including air suspension systems, air brakes, air lockers, and air horns. Gas air compressors provide the necessary compressed air for reliable and efficient operation of these systems in rugged and outdoor environments.

Overall, gas air compressors have diverse applications in construction, agriculture, recreational activities, mobile service operations, remote job sites, emergency power backup, sandblasting, and various off-road and outdoor equipment. Their portability, versatility, and reliable power supply make them indispensable tools in numerous industries and activities.

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editor by CX 2024-04-23