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China supplier 500-2000nm3/H Air-Cooled High-Pressure Hydrogen Nitrogen Oxygen Gas Compressor Diaphragm Compressor air compressor portable

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
The diaphragm compressor structure is mainly composed of a 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

GZ Model Instruction
GZ 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.).
GZ 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 GZ 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.

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) and other pressure can be customized.

Product features:
1. Good sealing performance:
A diaphragm compressor is a kind of special structure positive displacement compressor, the gas does not need lubrication, good sealing performance, the compression medium does not contact with any lubricant, will not produce any contamination in the compression process, Especially suitable for high purity (99.9999% above), rare, highly corrosive, toxic ,harmful, flammable , explosive and radioactive gas compression, transportation and bottle filling.

2. Cylinder heat dissipation performance is good:
Compressor cylinder heat dissipation performance is good, close to isothermal compression, can use high compression ratio, suitable for compression of high-pressure gas.

Technological advantage
1, Low of speed prolongs the service life of wearing parts. The new membrane cavity curve improves the volume efficiency. optimizes the gas valve profile, and the diaphragm adopts a special heat treatment method, greatly prolonging the service life.

2, the use of a high-efficiency cooler, so that the temperature is low, high efficiency, can properly extend the life of lubricating oil, O-ring, valve spring. Under the condition of meeting the technological parameters, the structure is more advanced, reasonable and energy-saving.

3, the cylinder head using a Mosaic double O-ring seal, its sealing effect is far better than open head.

4, diaphragm rupture alarm structure is advanced, reasonable, and reliable, diaphragm installation is non-directional and easy to replace.

5. The parts of the whole equipment are concentrated on a common skid which is easy to transport, install, and operate.

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.

GZ series diaphragm compressor parameter table
  Model Cooling
water (L/h)
pressure (MPa)
Dimensions L×W×H(mm) Weight (kg) Motor
Power (kW)
1 GZ-2/3 1000 2.0 0.0 0.3 1200×700×1100 0 2.2
2 GZ-5/0.5-10 200 5.0 0.05 1.0 1400×740×1240 650 2.2
3 GZ-5/13-200 400 5.0 1.3 20 1500×760×1200 750 4.0
4 GZ-15/3-19 500 15 0.3 1.9 1400×740×1330 750 4.0
5 GZ-30/5-10 500 30 0.5 1.0 1400×740×1330 700 3.0
6 GZ-50/9.5-25 600 50 0.95 2.5 1500×760×1200 750 5.5
7 GZ-20/5-25 600 20 0.5 2.5 1400×760×1600 650 4.0
8 GZ-20/5-30 1000 20 0.5 3.0 1400×760×1600 650 5.5
9 GZ-12/0.5-8 400 12 0.05 0.8 1500×760×1200 750 4.0
10 GZ-5/0.5-8 200 5.0 0.05 0.8 1400×740×1240 650 2.2
11 GZ-14/39-45 500 14 3.9 4.5 1000×460×1100 700 2.2
12 GZ-60/30-40 2100 60 3.0 4.0 1400×800×1300 750 3.0
13 GZ-80/59-65 500 80 5.9 6.5 1200×780×1200 750 7.5
14 GZ-30/7-30 1000 30 0.7 3.0 1400×760×1600 650 5.5
15 GZ-10/0.5-10 200 10 0.05 1.0 1400×800×1150 500 4.0
16 GZ-5/8 200 5.0 0.0 0.8 1400×800×1150 500 3.0
17 GZ-15/10-100 600 15 1.0 10 1400×850×1320 1000 5.5
18 GZ-20/8-40 1000 20 0.8 4.0 1400×850×1320 1000 4.0
19 GZ-20/32-160 1000 20 3.2 16 1400×850×1320 1000 5.5
20 GZ-30/7.5-25 1000 30 0.75 2.5 1400×850×1320 1000 7.5
21 GZ-5/0.1-7 1000 5.0 0.01 0.7 1200×750×1000 600 2.2
22 GZ-8/5 1000 8.0 0.0 0.5 1750×850×1250 1000 3.0
23 GZ-11/0.36-6 400 11 0.036 0.6 1500×760×1200 750 3.0
24 GZ-3/0.2 1000 3.0 0.0 0.02 1400×800×1300 1000 2.2
25 GZ-80/20-35 1500 80 2.0 3.5 1500×800×1300 900 5.5
26 GZ-15/30-200 1000 15 3.0 20 1400×1000×1200 800 4.0
27 GZ-12/4-35 1000 12 0.4 3.5 1500×1000×1500 800 5.5
28 GZ-10/0.5-7 400 10 0.05 0.7 1500×760×1200 750 3.0
29 GZ-7/0.1-6 1000 7.0 0.01 0.6 1200×900×1200 800 3.0
30 GZ-20/4-20 1000 20 0.4 2.0 1400×850×1320 750 2.2
31 GZF-42/120-350 1200 42 12 35 900×630×834 420 5.5
32 GZ-7/0.1-6 1500 7 0.01 0.6 1200×900×1200 800 3.0
33 GZ-120/80-85 1500 100 8.0 8.5 1200×900×1200 800 4.0
34 GZ-5/6-10 1000 5.0 0.6 1.0 1200×700×1100 700 2.2
35 GZ-7/50-350 1000 7.0 5.0 35 1150×700×1100 450 3.0
36 GZ-20/7-30 1000 20 0.7 3.0 1400×760×1100 750 4.0
37 GZ-62/40-56 1500 62 4.0 5.6 1200×700×1100 450 3.0
38 GZ-15/10-12 1500 15 1.0 1.2 1200×700×1100 500 3.0
39 GZ-14/6-20 1000 14 0.6 2.0 1200×700×1100 500 2.2
40 GZ-350/120-450 1000 350 5-20 450 2350×1850×1100 7000 37
41 GZ-936/8-8.3 2000 936 0.8 0.83 2100×1500×1700 2000 15

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

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;

 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 .




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


air compressor

How are air compressors utilized in pharmaceutical manufacturing?

Air compressors play a crucial role in pharmaceutical manufacturing, where they are utilized for various critical applications. The pharmaceutical industry requires a reliable source of clean and compressed air to ensure the safety, efficiency, and quality of its processes. Here’s an overview of how air compressors are utilized in pharmaceutical manufacturing:

1. Manufacturing Processes:

Air compressors are used in numerous manufacturing processes within the pharmaceutical industry. Compressed air is employed for tasks such as mixing and blending of ingredients, granulation, tablet compression, coating, and encapsulation of pharmaceutical products. The controlled delivery of compressed air facilitates precise and consistent manufacturing processes, ensuring the production of high-quality pharmaceuticals.

2. Instrumentation and Control Systems:

Pharmaceutical manufacturing facilities rely on compressed air for powering instrumentation and control systems. Compressed air is used to operate pneumatic valves, actuators, and control devices that regulate the flow of fluids, control temperature and pressure, and automate various processes. The clean and dry nature of compressed air makes it ideal for maintaining the integrity and accuracy of these critical control mechanisms.

3. Packaging and Filling:

Air compressors are employed in pharmaceutical packaging and filling processes. Compressed air is used to power machinery and equipment for bottle cleaning, labeling, capping, and sealing of pharmaceutical products. Compressed air provides the necessary force and precision for efficient and reliable packaging, ensuring product safety and compliance.

4. Cleanroom Environments:

Pharmaceutical manufacturing often takes place in controlled cleanroom environments to prevent contamination and maintain product quality. Air compressors are used to supply clean and filtered compressed air to these cleanrooms, ensuring a controlled and sterile environment for the production of pharmaceuticals. Compressed air is also utilized in cleanroom air showers and air curtains for personnel and material decontamination.

5. Laboratory Applications:

In pharmaceutical laboratories, air compressors are utilized for various applications. Compressed air is used in laboratory instruments, such as gas chromatographs, mass spectrometers, and other analytical equipment. It is also employed in clean air cabinets, fume hoods, and laminar flow benches, providing a controlled and clean environment for testing, analysis, and research.

6. HVAC Systems:

Air compressors are involved in heating, ventilation, and air conditioning (HVAC) systems in pharmaceutical manufacturing facilities. Compressed air powers the operation of HVAC controls, dampers, actuators, and air handling units, ensuring proper air circulation, temperature control, and environmental conditions in various manufacturing areas.

By utilizing air compressors in pharmaceutical manufacturing, the industry can maintain strict quality standards, enhance operational efficiency, and ensure the safety and efficacy of pharmaceutical products.

air compressor

What safety precautions should be taken when working with compressed air?

Working with compressed air requires adherence to certain safety precautions to prevent accidents and ensure the well-being of individuals involved. Here are some important safety measures to consider:

1. Personal Protective Equipment (PPE):

Wear appropriate PPE, including safety goggles or a face shield to protect eyes from flying debris or particles, hearing protection to reduce noise exposure, and gloves to safeguard hands from potential hazards.

2. Compressed Air Storage:

Avoid storing compressed air in containers that are not designed for this purpose, such as soda bottles or makeshift containers. Use approved and properly labeled air storage tanks or cylinders that can handle the pressure and are regularly inspected and maintained.

3. Pressure Regulation:

Ensure that the air pressure is regulated to a safe level suitable for the equipment and tools being used. High-pressure air streams can cause serious injuries, so it is important to follow the manufacturer’s recommendations and never exceed the maximum allowable pressure.

4. Air Hose Inspection:

Regularly inspect air hoses for signs of damage, such as cuts, abrasions, or leaks. Replace damaged hoses immediately to prevent potential accidents or loss of pressure.

5. Air Blowguns:

Exercise caution when using air blowguns. Never direct compressed air towards yourself or others, as it can cause eye injuries, hearing damage, or dislodge particles that may be harmful if inhaled. Always point blowguns away from people or any sensitive equipment or materials.

6. Air Tool Safety:

Follow proper operating procedures for pneumatic tools. Ensure that tools are in good working condition, and inspect them before each use. Use the appropriate accessories, such as safety guards or shields, to prevent accidental contact with moving parts.

7. Air Compressor Maintenance:

Maintain air compressors according to the manufacturer’s guidelines. Regularly check for leaks, clean or replace filters, and drain moisture from the system. Proper maintenance ensures the safe and efficient operation of the compressor.

8. Training and Education:

Provide adequate training and education to individuals working with compressed air. Ensure they understand the potential hazards, safe operating procedures, and emergency protocols. Encourage open communication regarding safety concerns and implement a culture of safety in the workplace.

9. Lockout/Tagout:

When performing maintenance or repairs on compressed air systems, follow lockout/tagout procedures to isolate the equipment from energy sources and prevent accidental startup. This ensures the safety of the individuals working on the system.

10. Proper Ventilation:

Ensure proper ventilation in enclosed areas where compressed air is used. Compressed air can displace oxygen, leading to a potential risk of asphyxiation. Adequate ventilation helps maintain a safe breathing environment.

By adhering to these safety precautions, individuals can minimize the risks associated with working with compressed air and create a safer work environment.

air compressor

What is the impact of tank size on air compressor performance?

The tank size of an air compressor plays a significant role in its performance and functionality. Here are the key impacts of tank size:

1. Air Storage Capacity: The primary function of the air compressor tank is to store compressed air. A larger tank size allows for greater air storage capacity. This means the compressor can build up a reserve of compressed air, which can be useful for applications that require intermittent or fluctuating air demand. Having a larger tank ensures a steady supply of compressed air during peak usage periods.

2. Run Time: The tank size affects the run time of the air compressor. A larger tank can provide longer continuous operation before the compressor motor needs to restart. This is because the compressed air in the tank can be used to meet the demand without the need for the compressor to run continuously. It reduces the frequency of motor cycling, which can improve energy efficiency and prolong the motor’s lifespan.

3. Pressure Stability: A larger tank helps maintain stable pressure during usage. When the compressor is running, it fills the tank until it reaches a specified pressure level, known as the cut-out pressure. As the air is consumed from the tank, the pressure drops to a certain level, known as the cut-in pressure, at which point the compressor restarts to refill the tank. A larger tank size results in a slower pressure drop during usage, ensuring more consistent and stable pressure for the connected tools or equipment.

4. Duty Cycle: The duty cycle refers to the amount of time an air compressor can operate within a given time period. A larger tank size can increase the duty cycle of the compressor. The compressor can run for longer periods before reaching its duty cycle limit, reducing the risk of overheating and improving overall performance.

5. Tool Compatibility: The tank size can also impact the compatibility with certain tools or equipment. Some tools, such as high-demand pneumatic tools or spray guns, require a continuous and adequate supply of compressed air. A larger tank size ensures that the compressor can meet the air demands of such tools without causing pressure drops or affecting performance.

It is important to note that while a larger tank size offers advantages in terms of air storage and performance, it also results in a larger and heavier compressor unit. Consider the intended application, available space, and portability requirements when selecting an air compressor with the appropriate tank size.

Ultimately, the optimal tank size for an air compressor depends on the specific needs of the user and the intended application. Assess the air requirements, duty cycle, and desired performance to determine the most suitable tank size for your air compressor.

China supplier 500-2000nm3/H Air-Cooled High-Pressure Hydrogen Nitrogen Oxygen Gas Compressor Diaphragm Compressor   air compressor portableChina supplier 500-2000nm3/H Air-Cooled High-Pressure Hydrogen Nitrogen Oxygen Gas Compressor Diaphragm Compressor   air compressor portable
editor by CX 2023-10-25