China Good quality Oil Free Air Methane Compressor Helium Booster Compressor Diaphragm Compressor wholesaler

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 .





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


air compressor

What is the impact of humidity on compressed air quality?

Humidity can have a significant impact on the quality of compressed air. Compressed air systems often draw in ambient air, which contains moisture in the form of water vapor. When this air is compressed, the moisture becomes concentrated, leading to potential issues in the compressed air. Here’s an overview of the impact of humidity on compressed air quality:

1. Corrosion:

High humidity in compressed air can contribute to corrosion within the compressed air system. The moisture in the air can react with metal surfaces, leading to rust and corrosion in pipes, tanks, valves, and other components. Corrosion not only weakens the structural integrity of the system but also introduces contaminants into the compressed air, compromising its quality and potentially damaging downstream equipment.

2. Contaminant Carryover:

Humidity in compressed air can cause carryover of contaminants. Water droplets formed due to condensation can carry particulates, oil, and other impurities present in the air. These contaminants can then be transported along with the compressed air, leading to fouling of filters, clogging of pipelines, and potential damage to pneumatic tools, machinery, and processes.

3. Decreased Efficiency of Pneumatic Systems:

Excessive moisture in compressed air can reduce the efficiency of pneumatic systems. Water droplets can obstruct or block the flow of air, leading to decreased performance of pneumatic tools and equipment. Moisture can also cause problems in control valves, actuators, and other pneumatic devices, affecting their responsiveness and accuracy.

4. Product Contamination:

In industries where compressed air comes into direct contact with products or processes, high humidity can result in product contamination. Moisture in compressed air can mix with sensitive products, leading to quality issues, spoilage, or even health hazards in industries such as food and beverage, pharmaceuticals, and electronics manufacturing.

5. Increased Maintenance Requirements:

Humidity in compressed air can increase the maintenance requirements of a compressed air system. Moisture can accumulate in filters, separators, and other air treatment components, necessitating frequent replacement or cleaning. Excessive moisture can also lead to the growth of bacteria, fungus, and mold within the system, requiring additional cleaning and maintenance efforts.

6. Adverse Effects on Instrumentation:

Humidity can adversely affect instrumentation and control systems that rely on compressed air. Moisture can disrupt the accuracy and reliability of pressure sensors, flow meters, and other pneumatic instruments, leading to incorrect measurements and control signals.

To mitigate the impact of humidity on compressed air quality, various air treatment equipment is employed, including air dryers, moisture separators, and filters. These devices help remove moisture from the compressed air, ensuring that the air supplied is dry and of high quality for the intended applications.

air compressor

How do you choose the right air compressor for woodworking?

Choosing the right air compressor for woodworking is essential to ensure efficient and effective operation of pneumatic tools and equipment. Here are some factors to consider when selecting an air compressor for woodworking:

1. Required Air Volume (CFM):

Determine the required air volume or cubic feet per minute (CFM) for your woodworking tools and equipment. Different tools have varying CFM requirements, so it is crucial to choose an air compressor that can deliver the required CFM to power your tools effectively. Make sure to consider the highest CFM requirement among the tools you’ll be using simultaneously.

2. Tank Size:

Consider the tank size of the air compressor. A larger tank allows for more stored air, which can be beneficial when using tools that require short bursts of high air volume. It helps maintain a consistent air supply and reduces the frequency of the compressor cycling on and off. However, if you have tools with continuous high CFM demands, a larger tank may not be as critical.

3. Maximum Pressure (PSI):

Check the maximum pressure (PSI) rating of the air compressor. Woodworking tools typically operate within a specific PSI range, so ensure that the compressor can provide the required pressure. It is advisable to choose an air compressor with a higher maximum PSI rating to accommodate any future tool upgrades or changes in your woodworking needs.

4. Noise Level:

Consider the noise level of the air compressor, especially if you’ll be using it in a residential or shared workspace. Some air compressors have noise-reducing features or are designed to operate quietly, making them more suitable for woodworking environments where noise control is important.

5. Portability:

Assess the portability requirements of your woodworking projects. If you need to move the air compressor frequently or work in different locations, a portable and lightweight compressor may be preferable. However, if the compressor will remain stationary in a workshop, a larger, stationary model might be more suitable.

6. Power Source:

Determine the power source available in your woodworking workspace. Air compressors can be powered by electricity or gasoline engines. If electricity is readily available, an electric compressor may be more convenient and cost-effective. Gasoline-powered compressors offer greater flexibility for remote or outdoor woodworking projects where electricity may not be accessible.

7. Quality and Reliability:

Choose an air compressor from a reputable manufacturer known for producing reliable and high-quality equipment. Read customer reviews and consider the warranty and after-sales support offered by the manufacturer to ensure long-term satisfaction and reliability.

8. Budget:

Consider your budget and balance it with the features and specifications required for your woodworking needs. While it’s important to invest in a reliable and suitable air compressor, there are options available at various price points to accommodate different budgets.

By considering these factors and evaluating your specific woodworking requirements, you can choose an air compressor that meets the demands of your tools, provides efficient performance, and enhances your woodworking experience.

air compressor

What is the purpose of an air compressor?

An air compressor serves the purpose of converting power, typically from an electric motor or an engine, into potential energy stored in compressed air. It achieves this by compressing and pressurizing air, which can then be used for various applications. Here’s a detailed explanation of the purpose of an air compressor:

1. Powering Pneumatic Tools: One of the primary uses of an air compressor is to power pneumatic tools. Compressed air can be used to operate a wide range of tools, such as impact wrenches, nail guns, paint sprayers, sanders, and drills. The compressed air provides the necessary force and energy to drive these tools, making them efficient and versatile.

2. Supplying Clean and Dry Air: Air compressors are often used to supply clean and dry compressed air for various industrial processes. Many manufacturing and production operations require a reliable source of compressed air that is free from moisture, oil, and other contaminants. Air compressors equipped with appropriate filters and dryers can deliver high-quality compressed air for applications such as instrumentation, control systems, and pneumatic machinery.

3. Inflating Tires and Sports Equipment: Air compressors are commonly used for inflating tires, whether it’s for vehicles, bicycles, or sports equipment. They provide a convenient and efficient method for quickly filling tires with the required pressure. Air compressors are also used for inflating sports balls, inflatable toys, and other similar items.

4. Operating HVAC Systems: Air compressors play a crucial role in the operation of heating, ventilation, and air conditioning (HVAC) systems. They provide compressed air for controlling and actuating dampers, valves, and actuators in HVAC systems, enabling precise regulation of air flow and temperature.

5. Assisting in Industrial Processes: Compressed air is utilized in various industrial processes. It can be used for air blow-off applications, cleaning and drying parts, powering air-operated machinery, and controlling pneumatic systems. Air compressors provide a reliable and efficient source of compressed air that can be tailored to meet the specific requirements of different industrial applications.

6. Supporting Scuba Diving and Breathing Systems: In scuba diving and other breathing systems, air compressors are responsible for filling diving tanks and supplying breathable air to divers. These compressors are designed to meet strict safety standards and deliver compressed air that is free from contaminants.

Overall, the purpose of an air compressor is to provide a versatile source of compressed air for powering tools, supplying clean air for various applications, inflating tires and sports equipment, supporting industrial processes, and facilitating breathing systems in specific contexts.

China Good quality Oil Free Air Methane Compressor Helium Booster Compressor Diaphragm Compressor   wholesaler China Good quality Oil Free Air Methane Compressor Helium Booster Compressor Diaphragm Compressor   wholesaler
editor by CX 2024-05-17