China Good quality High Purity 99.999% Completely Oil-Free Inlet Pressure 0.4MPa Working Pressure 25MPa Hydrogen Gas H2 Diaphragm Compressor mini air compressor

Product Description

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.

Process principle
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.
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)


  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, L-type,D-type,Z-type

GD Model Simple Description
GD diaphragm compressor is a special structure of the volumetric compressor, is the highest level of compression in the field of gas compression, this compression method Without secondary pollution, it can ensure the purity of gas is more than 5, and it has very good protection against compressed gas. It has the characteristics of large compression ratio, good sealing performance, and the compressed gas is not polluted by lubricating oil and other CHINAMFG impurities. Therefore, it is suitable for compressing high-purity, rare and precious, flammable, explosive, toxic, harmful, corrosive and high-pressure gases. The compression method is generally specified in the world for compressing high-purity gas, flammable and explosive gas, toxic gas and oxygen. Etc. (such as nitrogen diaphragm compressor, oxygen diaphragm compressor, hydrogen sulfide diaphragm compressor, argon diaphragm compressor, etc.).
GD diaphragm compressor for my company independent research and development of large diaphragm compressor, its advantages are: high compression ratio, large displacement, large piston force, stable running, high exhaust pressure, etc, has been widely used and petroleum chemical industry and nuclear power plant, and so on,.Two GD type diaphragm compressor cylinder arrangement for symmetrically arranged in parallel, more suitable for the petrochemical and nuclear power plant such as uninterrupted operation for a long time, because of the cylinder body symmetry, run up against other arrangement of diaphragm compressor is the most stable operation, running, small vibration from the ground clearance is more convenient in maintenance.
1.Good sealing performance
Diaphragm compressor is a kind of special structure displacement compressor.The gas does not need lubrication,the sealing performance is good,the compression medium does not contact with any lubricant,and there will be no pollution in the compression process.It is especially suitable for high purity(99.9999%),rate,extremely corrosive,toxic and harmful,inflammable and explosive.Compression,transportation and bottle filling of radioactive gases.Membrane head is sealed with inlaid double O-ring,and its sealing effect is far better than that of open type.
2.Cylinder has good heat dissipation performance
The working cylinder of diaphragm compressor has good heat dissipation performance and is close to isothermal compression.It can adopt higher compression ratio and is suitable for compressing high-pressure gas.
3.Compressor speed is low and service life of vulnerable parts is prolonged.The new type of diaphragm cavity curve improve the volume efficiency of the compressor,optimize the value type,and adopt special heat treatment method for diaphragm,which greatly improves the service life of the compressor.
4.The high efficiency cooler is adopted,which makes the whole machine low in temperature and high in efficiency.The service life of lubricating oil,O-ring and value spring can be prolonged appropriately .Under the condition of meeting the buyer’s technological parameters,the structure is more advanced,reasonable and energy-saving.
5.The diaphragm rupture alarm structure is advanced,reasonable and reliable.The diaphragm installation has no directionality and is easy to replace.
6.The parts and components of the whole equipment are concentrated on a skid-mounted chassis,which is convenient for transportation,installation and management.

 Reference Specification Table 
  Model Cooling water 
Volume Flow
Suction pressure
Exhaust pressure
Motor Power 
1 GD-120/4-80 3.0 120 0.4 8.0 3000x1600x1400   30
2 GD-130/0.98-11 3.0 130 0.098 1.1 3000x1800x1600 4.0 30
3 GD-150/2-20 3.0 150 0.2 2.0 3000x1800x1600 4.0 37
4 GD-100/0.1-5 4.0 100 0.01 0.5 2800X1500X1500 3.0 18.5
5 GD-100/5.5-200 5.0 100 0.55 20 3200X2000X1600 4.5 45
6 GD-80/0.12-4 5.0 80 0.012 0.4 2800x1600x 1500 3.8 15
7 GD-60/0.3-6 4.0 60 0.03 0.6 2800x1600x1500 4.0 15
8 GD-70/0.1-8 3.8 70 0.01 0.8 3000 x 1600×1250 5.0 18.5
9 GD-40/0.02-160 5.0 40 0.02 16 2800x1460x1530 3.0 22
10 GD-100/0.5-6 2.0 100 0.05 0.6 3000x2000x1560 6.0 18.5
11 GD-36/1-150 4.0 36 0.1 15 3000x1500x1500 4.0 45
12 GD-35/0.7-300 4.0 35 0.07 30 3000x1600x1500 4.0 22
13 GD-500/15-35 4.5 500 1.5 3.5 3000x2000x1700 4.0 45
14 GD-150/15-210 4.5 150 1.5 21 3200x1700x1600 4.0 45
15 GD-120/8-220 4.5 120 0.8 22 3200x1700x1600 3.8 45
16 GD-100/9 4.5 100 0.0 0.9 3200x1700x1800 4.5 22
17 GD-100/1.5-150 4.5 100 0.15 15 3200x1700x1800 4.5 45
18 GD-40/30 4.5 40 0.0 3.0 3200x1700x1800 4.0 18.5
19 GD-200/10-15-90 4.5 200 1.0-1.5 9.0 3200x1800x1600 4.0 37
20 GD-100/7-150 4.0 100 0.7 15 3000x1800x 1600 4.0 55
21 GD-25/-0.1-47 4.0 25 -0.01 4.7 3000x1800x1600 4.0 15
22 GD-45/0.5-100 4.0 45 0.05 10 3000x1800x1600 4.0 30
23 GD-30/0.1-160 4.0 30 0.01 16 3000x1800x1600 4.0 18.5
24 GD-120/2.5-70 4.0 120 0.25 7.0 3000x1800x1600 4.0 37
25 GD-135/10-210 4.0 135 1.0 21 3000x1600x1400 4.0 37
26 GD-60/40-350 4.5 60 4.0 35 3000x1800x1600 4.0 30
27 GD-95/10-350 4.0 95 1.0 35 3000x1600x1400 4.0 37
28 GD-220/11-90 4.0 220 1.1 9.0 3000x1800x1600 4.0 37
29 GD-300/15-220 4.5 300 1.5 22 3600x2200x1700 5.0 75
30 GD-300/13-210 5.0 300 1.3 21 3500x2300x1800 6.0 75
31 GD-120/12-350 6.5 120 1.2 35 3500x2300x1600 8.5 45
32 GD-165/10-250 8.0 165 1.0 25 3500x2300x1500 8.5 55
33 GD-120/8-350 6.5 120 0.8 35 3500x2300x1600 8.5 45
34 GD-800/210-320 8.0 800 21 32 3500x2300x1500 8.5 37
35 GD-420/8-39 6.5 420 0.8 3.9 3600x2500x1700 6.0 75
36 GD-370/20-200 4.5 370 2.0 20 3600x2200x1700 5.0 75
37 GD-350/18-210 4.5 350 1.8 21 3600x2200x1700 5.0 75
38 GD-300/8-120 4.5 300 0.8 12 3600 x 2200 x 1700 5.0 75
39 GD-308/4 10.0 308 0 0.4 4200x3200x2600 10.0 55
40 GD-180/8.5 5.0 180 0 0.85 4200x3200x2600 10.0 55


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.

Huayan 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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Warranty: 18month
Principle: Displacement Compressor
Application: High Back Pressure Type
Performance: Low Noise, Variable Frequency, Explosion-Proof, Corrosion-Proof
Mute: Low Noise
Lubrication Style: Oil-free


air compressor

What Is the Fuel Efficiency of Gas Air Compressors?

The fuel efficiency of gas air compressors can vary depending on several factors, including the compressor’s design, engine size, load capacity, and usage patterns. Gas air compressors typically use internal combustion engines powered by gasoline or propane to generate the mechanical energy required for compressing air. Here’s a detailed explanation of the factors that can influence the fuel efficiency of gas air compressors:

1. Engine Design and Size:

The design and size of the engine in a gas air compressor can impact its fuel efficiency. Engines with advanced technologies such as fuel injection and electronic controls tend to offer better fuel efficiency compared to older carbureted engines. Additionally, larger engines may consume more fuel to produce the required power, resulting in lower fuel efficiency compared to smaller engines for the same workload.

2. Load Capacity and Usage Patterns:

The load capacity and usage patterns of the gas air compressor play a significant role in fuel efficiency. Compressors operating at or near their maximum load capacity for extended periods may consume more fuel compared to compressors operating at lower loads. Additionally, compressors used intermittently or for lighter tasks may have better fuel efficiency due to reduced demand on the engine.

3. Maintenance and Tuning:

Proper maintenance and tuning of the gas air compressor’s engine can improve fuel efficiency. Regular maintenance tasks such as oil changes, air filter cleaning/replacement, spark plug inspection, and tuning the engine to the manufacturer’s specifications can help ensure optimal engine performance and fuel efficiency.

4. Operating Conditions:

The operating conditions, including ambient temperature, altitude, and humidity, can affect the fuel efficiency of gas air compressors. Extreme temperatures or high altitudes may require the engine to work harder, resulting in increased fuel consumption. Additionally, operating in humid conditions can affect the combustion process and potentially impact fuel efficiency.

5. Fuel Type:

The type of fuel used in the gas air compressor can influence its fuel efficiency. Gasoline and propane are common fuel choices for gas air compressors. The energy content and combustion characteristics of each fuel can affect the amount of fuel consumed per unit of work done. It is important to consider the specific fuel requirements and recommendations of the compressor manufacturer for optimal fuel efficiency.

6. Operator Skills and Practices:

The skills and practices of the operator can also impact fuel efficiency. Proper operation techniques, such as avoiding excessive idling, maintaining consistent engine speeds, and minimizing unnecessary load cycles, can contribute to improved fuel efficiency.

It is important to note that specific fuel efficiency ratings for gas air compressors can vary widely depending on the aforementioned factors. Manufacturers may provide estimated fuel consumption rates or fuel efficiency data for their specific compressor models, which can serve as a reference point when comparing different models or making purchasing decisions.

Ultimately, to maximize fuel efficiency, it is recommended to select a gas air compressor that suits the intended application, perform regular maintenance, follow the manufacturer’s guidelines, and operate the compressor efficiently based on the workload and conditions.

air compressor

How Do Gas Air Compressors Contribute to Energy Savings?

Gas air compressors can contribute to energy savings in several ways. Here’s a detailed explanation:

1. Efficient Power Source:

Gas air compressors are often powered by gasoline or diesel engines. Compared to electric compressors, gas-powered compressors can provide higher power output for a given size, resulting in more efficient compression of air. This efficiency can lead to energy savings, especially in applications where a significant amount of compressed air is required.

2. Reduced Electricity Consumption:

Gas air compressors, as standalone units that don’t rely on electrical power, can help reduce electricity consumption. In situations where the availability of electricity is limited or expensive, using gas air compressors can be a cost-effective alternative. By utilizing fuel-based power sources, gas air compressors can operate independently from the electrical grid and reduce dependence on electricity.

3. Demand-Sensitive Operation:

Gas air compressors can be designed to operate on demand, meaning they start and stop automatically based on the air requirements. This feature helps prevent unnecessary energy consumption during periods of low or no compressed air demand. By avoiding continuous operation, gas air compressors can optimize energy usage and contribute to energy savings.

4. Energy Recovery:

Some gas air compressors are equipped with energy recovery systems. These systems capture and utilize the heat generated during the compression process, which would otherwise be wasted. The recovered heat can be redirected and used for various purposes, such as space heating, water heating, or preheating compressed air. This energy recovery capability improves overall energy efficiency and reduces energy waste.

5. Proper Sizing and System Design:

Selecting the appropriate size and capacity of a gas air compressor is crucial for energy savings. Over-sizing a compressor can lead to excessive energy consumption, while under-sizing can result in inefficient operation and increased energy usage. Properly sizing the compressor based on the specific air demands ensures optimal efficiency and energy savings.

6. Regular Maintenance:

Maintaining gas air compressors in good working condition is essential for energy efficiency. Regular maintenance, including cleaning or replacing air filters, checking and repairing leaks, and ensuring proper lubrication, helps optimize compressor performance. Well-maintained compressors operate more efficiently, consume less energy, and contribute to energy savings.

7. System Optimization:

For larger compressed air systems that involve multiple compressors, implementing system optimization strategies can further enhance energy savings. This may include employing advanced control systems, such as variable speed drives or sequencers, to match compressed air supply with demand, minimizing unnecessary energy usage.

In summary, gas air compressors contribute to energy savings through their efficient power sources, reduced electricity consumption, demand-sensitive operation, energy recovery systems, proper sizing and system design, regular maintenance, and system optimization measures. By utilizing gas-powered compressors and implementing energy-efficient practices, businesses and industries can achieve significant energy savings in their compressed air systems.

air compressor

What Is a Gas Air Compressor?

A gas air compressor is a type of air compressor that is powered by a gas engine instead of an electric motor. It uses a combustion engine, typically fueled by gasoline or diesel, to convert fuel energy into mechanical energy, which is then used to compress air. Here’s a detailed explanation of a gas air compressor:

1. Power Source:

A gas air compressor utilizes a gas engine as its power source. The engine can be fueled by gasoline, diesel, or other types of combustible gases, such as natural gas or propane. The combustion engine drives the compressor pump to draw in air and compress it to a higher pressure.

2. Portable and Versatile:

Gas air compressors are often designed to be portable and versatile. The gas engine provides mobility, allowing the compressor to be easily transported and used in different locations, including remote job sites or areas without access to electricity. This makes gas air compressors suitable for applications such as construction projects, outdoor activities, and mobile service operations.

3. Compressor Pump:

The compressor pump in a gas air compressor is responsible for drawing in air and compressing it. The pump can be of various types, including reciprocating, rotary screw, or centrifugal, depending on the specific design of the gas air compressor. The pump’s role is to increase the pressure of the incoming air, resulting in compressed air that can be used for various applications.

4. Pressure Regulation:

Gas air compressors typically feature pressure regulation mechanisms to control the output pressure of the compressed air. This allows users to adjust the pressure according to the requirements of the specific application. The pressure regulation system may include pressure gauges, regulators, and safety valves to ensure safe and reliable operation.

5. Applications:

Gas air compressors find applications in a wide range of industries and activities. They are commonly used in construction sites for powering pneumatic tools such as jackhammers, nail guns, and impact wrenches. Gas air compressors are also utilized in agriculture for operating air-powered machinery like sprayers and pneumatic seeders. Additionally, they are employed in recreational activities such as inflating tires, sports equipment, or inflatable structures.

6. Maintenance and Fuel Considerations:

Gas air compressors require regular maintenance, including engine servicing, oil changes, and filter replacements, to ensure optimal performance and longevity. The type of fuel used in the gas engine also needs to be considered. Gasoline-powered compressors are commonly used in smaller applications, while diesel-powered compressors are preferred for heavy-duty and continuous operation due to their higher fuel efficiency and durability.

Overall, a gas air compressor is an air compressor that is powered by a gas engine, offering mobility and versatility. It provides compressed air for various applications and is commonly used in construction, agriculture, and outdoor activities. Regular maintenance and fuel considerations are essential to ensure reliable operation and optimal performance.

China Good quality High Purity 99.999% Completely Oil-Free Inlet Pressure 0.4MPa Working Pressure 25MPa Hydrogen Gas H2 Diaphragm Compressor   mini air compressorChina Good quality High Purity 99.999% Completely Oil-Free Inlet Pressure 0.4MPa Working Pressure 25MPa Hydrogen Gas H2 Diaphragm Compressor   mini air compressor
editor by CX 2024-04-02

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