Tag Archives: diaphragm compressor

China wholesaler Gz-5/0.1-7 Low Flow Explosion-Proof Hydrogen Oxygen Diaphragm Compressor Air Compressor manufacturer

Product Description

Reciprotating Oil-Free Diaphragm/Piston Compressor
( Blue Font To View Hyperlink)

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.

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.

We have over 40 years of professional experience in Hydrogen Compressor industry.
Our company’s hydrogen compressor is widely used in hydrogen production system, 
benzene hydrogenation, tar hydrogenation, carbon 9 hydrogenation, catalytic cracking and other processes.

Specfication:

Model GZ-30/7.5-25 Remarks
Volume Flow Nm3/h 30 No-Standard
Working pressure Suction pressure: 0.75MPa No-Standard
  Exhaust pressure: 2.5MPa No-Standard
Cooling Method    Water-Cooled  No-Standard
Intake temperature °C 0~30  
Inlet pressure MPa 0.3~0.4  
Discharge temperature °C ≤45ºC  
Noise dB(A) ≤80  
Power/Frequence V/Hz 380/50 No-Standard
Motor Power KW 2.2~45  
Crankshaft speed r/min 420  
Overall dimension L/mm 1400  
  W/mm 1000  
  H/mm 1200  

Diaphragm compressor advantages:
No leakage: the compressor membrane head is sealed by static “O” ring. The O “ring is made of elastic material, with long service life and no dynamic seal to ensure no leakage during gas compression.
Corrosion resistance: the compressor membrane head can be made of 316L stainless steel, the diaphragm is made of 301 stainless steel.
Small tightening torque: “O” ring seal, can reduce flange bolt tightening torque, reduce shutdown maintenance time
 

Parameter Table Of  GZ  Series Diaphragm Compressor
  Model Cooling water
consumption
t/h
Volume Flow
Nm3/h
Suction pressure
(MPa)
Exhaust pressure
(MPa)
Dimension 
LxWxH(mm)
Weight
(t)
Motor Power 
(kW)
1 GZ-2/3 1.0 2.0 0.0 0.3 1200x700x1100 0.5 2.2
2 GZ-5/0.5-10 0.2 5.0 0.05 1.0 1400x740x1240 0.65 2.2
3 GZ-5/13-200 0.4 5.0 1.3 20 1500x760x1200 0.75 4.0
4 GZ-15/3-19 0.5 15 0.3 1.9 1400x740x1330 0.75 4.0
5 GZ-30/5-10 0.5 30 0.5 1.0 1400x740x1330 0.7 3.0
6 GZ-50/9.5-25 0.6 50 0.95 2.5 1500x760x1200 0.75 5.5
7 GZ-20/5-25 0.6 20 0.5 2.5 1400x760x1600 0.65 4.0
8 GZ-20/5-30 1.0 20 0.5 3.0 1400 x 760×1600 0.65 5.5
9 GZ-12/0.5-8 0.4 12 0.05 0.8 1500X760X1200 0.75 4.0
10 GZ-5/0.5-8 0.2 5.0 0.05 0.8 1400x740x1240 0.65 2.2
11 GZ-14/39-45 0.5 14 3.9 4.5 1000X460X1100 0.7 2.2
12 GZ-60/30-40 2.1 60 3.0 4.0 1400x800x1300 0.75 3.0
13 GZ-80/59-65 0.5 80 5.9 6.5 1200X780X1200 0.75 7.5
14 GZ-30/7-30 1.0 30 0.7 3.0 1400 x 760x 1600 0.65 5.5
15 GZ-10/0.5-10 0.2 10 0.05 1.0 1400 x800x 1150 0.5 4.0
16 GZ-5/8 0.2 5.0 0.0 0.8 1400x800x1150 0.5 3.0
17 GZ-15/10-100 0.6 15 1.0 10 1400x850x1320 1.0 5.5
18 GZ-20/8-40 1.0 20 0.8 4.0 1400x850x1320 1.0 4.0
19 GZ-20/32-160 1.0 20 3.2 16 1400x850x 1320 1.0 5.5
20 GZ-30/7.5-25 1.0 30 0.75 2.5 1400 x 850×1320 1.0 7.5
21 GZ-5/0.1-7 1.0 5.0 0.01 0.7 1200x750x1000 0.6 2.2
22 GZ-8/5 1.0 8.0 0.0 0.5 1750x850x1250 1.0 3.0
23 GZ-11/0.36-6 0.4 11 0.036 0.6 1500 x 760x 1200 0.75 3.0
24 GZ-3/0.2 1.0 3.0 0.0 0.02 1400 x 800×1300 1.0 2.2
25 GZ-80/20-35 1.5 80 2.0 3.5 1500x800x1300 0.9 5.5
26 GZ-15/30-200 1.0 15 3.0 20 1400x 1000 x 1200 0.8 4.0
27 GZ-12/4-35 1.0 12 0.4 3.5 1500x1000x1500 0.8 5.5
28 GZ-10/0.5-7 0.4 10 0.05 0.7 1500x760x1200 0.75 3.0
29 GZ-7/0.1-6 1.0 7.0 0.01 0.6 1200x900x1200 0.8 3.0

 

 

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Principle: Displacement Compressor
Application: High Back Pressure Type
Performance: Low Noise, Variable Frequency, Explosion-Proof, Corrosion-Proof
Mute: Low Noise
Lubrication Style: Oil-free
Drive Mode: Electric
Customization:
Available

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air compressor

What role do air dryers play in compressed air systems?

Air dryers play a crucial role in compressed air systems by removing moisture and contaminants from the compressed air. Compressed air, when generated, contains water vapor from the ambient air, which can condense and cause issues in the system and end-use applications. Here’s an overview of the role air dryers play in compressed air systems:

1. Moisture Removal:

Air dryers are primarily responsible for removing moisture from the compressed air. Moisture in compressed air can lead to problems such as corrosion in the system, damage to pneumatic tools and equipment, and compromised product quality in manufacturing processes. Air dryers utilize various techniques, such as refrigeration, adsorption, or membrane separation, to reduce the dew point of the compressed air and eliminate moisture.

2. Contaminant Removal:

In addition to moisture, compressed air can also contain contaminants like oil, dirt, and particles. Air dryers help in removing these contaminants to ensure clean and high-quality compressed air. Depending on the type of air dryer, additional filtration mechanisms may be incorporated to enhance the removal of oil, particulates, and other impurities from the compressed air stream.

3. Protection of Equipment and Processes:

By removing moisture and contaminants, air dryers help protect the downstream equipment and processes that rely on compressed air. Moisture and contaminants can negatively impact the performance, reliability, and lifespan of pneumatic tools, machinery, and instrumentation. Air dryers ensure that the compressed air supplied to these components is clean, dry, and free from harmful substances, minimizing the risk of damage and operational issues.

4. Improved Productivity and Efficiency:

Utilizing air dryers in compressed air systems can lead to improved productivity and efficiency. Dry and clean compressed air reduces the likelihood of equipment failures, downtime, and maintenance requirements. It also prevents issues such as clogging of air lines, malfunctioning of pneumatic components, and inconsistent performance of processes. By maintaining the quality of compressed air, air dryers contribute to uninterrupted operations, optimized productivity, and cost savings.

5. Compliance with Standards and Specifications:

Many industries and applications have specific standards and specifications for the quality of compressed air. Air dryers play a vital role in meeting these requirements by ensuring that the compressed air meets the desired quality standards. This is particularly important in industries such as food and beverage, pharmaceuticals, electronics, and automotive, where clean and dry compressed air is essential for product integrity, safety, and regulatory compliance.

By incorporating air dryers into compressed air systems, users can effectively control moisture and contaminants, protect equipment and processes, enhance productivity, and meet the necessary quality standards for their specific applications.

air compressor

What is the impact of altitude on air compressor performance?

The altitude at which an air compressor operates can have a significant impact on its performance. Here are the key factors affected by altitude:

1. Decreased Air Density:

As altitude increases, the air density decreases. This means there is less oxygen available per unit volume of air. Since air compressors rely on the intake of atmospheric air for compression, the reduced air density at higher altitudes can lead to a decrease in compressor performance.

2. Reduced Airflow:

The decrease in air density at higher altitudes results in reduced airflow. This can affect the cooling capacity of the compressor, as lower airflow hampers the dissipation of heat generated during compression. Inadequate cooling can lead to increased operating temperatures and potential overheating of the compressor.

3. Decreased Power Output:

Lower air density at higher altitudes also affects the power output of the compressor. The reduced oxygen content in the air can result in incomplete combustion, leading to decreased power generation. As a result, the compressor may deliver lower airflow and pressure than its rated capacity.

4. Extended Compression Cycle:

At higher altitudes, the air compressor needs to work harder to compress the thinner air. This can lead to an extended compression cycle, as the compressor may require more time to reach the desired pressure levels. The longer compression cycle can affect the overall efficiency and productivity of the compressor.

5. Pressure Adjustments:

When operating an air compressor at higher altitudes, it may be necessary to adjust the pressure settings. As the ambient air pressure decreases with altitude, the compressor’s pressure gauge may need to be recalibrated to maintain the desired pressure output. Failing to make these adjustments can result in underinflated tires, improper tool performance, or other issues.

6. Compressor Design:

Some air compressors are specifically designed to handle higher altitudes. These models may incorporate features such as larger intake filters, more robust cooling systems, and adjusted compression ratios to compensate for the reduced air density and maintain optimal performance.

7. Maintenance Considerations:

Operating an air compressor at higher altitudes may require additional maintenance and monitoring. It is important to regularly check and clean the intake filters to ensure proper airflow. Monitoring the compressor’s operating temperature and making any necessary adjustments or repairs is also crucial to prevent overheating and maintain efficient performance.

When using an air compressor at higher altitudes, it is advisable to consult the manufacturer’s guidelines and recommendations specific to altitude operations. Following these guidelines and considering the impact of altitude on air compressor performance will help ensure safe and efficient operation.

air compressor

How do you choose the right size of air compressor for your needs?

Choosing the right size of air compressor is essential to ensure optimal performance and efficiency for your specific needs. Here are some factors to consider when selecting the appropriate size:

1. Air Demand: Determine the air demand requirements of your applications. Calculate the total CFM (Cubic Feet per Minute) needed by considering the air consumption of all the pneumatic tools and equipment that will be operated simultaneously. Choose an air compressor with a CFM rating that meets or exceeds this total demand.

2. Pressure Requirements: Consider the required operating pressure for your applications. Check the PSI (Pounds per Square Inch) rating of the tools and equipment you will be using. Ensure that the air compressor you choose can deliver the necessary pressure consistently.

3. Duty Cycle: Evaluate the duty cycle of the air compressor. The duty cycle represents the percentage of time the compressor can operate within a given time period without overheating or experiencing performance issues. If you require continuous or heavy-duty operation, choose a compressor with a higher duty cycle.

4. Power Source: Determine the available power source at your location. Air compressors can be powered by electricity or gasoline engines. Ensure that the chosen compressor matches the available power supply and consider factors such as voltage, phase, and fuel requirements.

5. Portability: Assess the portability requirements of your applications. If you need to move the air compressor frequently or use it in different locations, consider a portable or wheeled compressor that is easy to transport.

6. Space and Noise Constraints: Consider the available space for installation and the noise restrictions in your working environment. Choose an air compressor that fits within the allocated space and meets any noise regulations or requirements.

7. Future Expansion: Anticipate any potential future expansions or increases in air demand. If you expect your air demand to grow over time, it may be wise to choose a slightly larger compressor to accommodate future needs and avoid the need for premature replacement.

8. Budget: Consider your budgetary constraints. Compare the prices of different air compressor models while ensuring that the chosen compressor meets your specific requirements. Keep in mind that investing in a higher-quality compressor may result in better performance, durability, and long-term cost savings.

By considering these factors and evaluating your specific needs, you can choose the right size of air compressor that will meet your air demand, pressure requirements, and operational preferences, ultimately ensuring efficient and reliable performance.

China wholesaler Gz-5/0.1-7 Low Flow Explosion-Proof Hydrogen Oxygen Diaphragm Compressor Air Compressor   manufacturer China wholesaler Gz-5/0.1-7 Low Flow Explosion-Proof Hydrogen Oxygen Diaphragm Compressor Air Compressor   manufacturer
editor by CX 2024-01-10

China factory High Pressure Air 7.5bar 120bar CE Standard C2h4o Ethylene Oxide Hydrogen Diaphragm Compressor air compressor for sale

Product Description

Reciprotating Completely Oil-Free Diaphragm Compressor
( Blue Font To View Hyperlink)

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)
GV Model Simple Description
GV 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.).
Advantages
No leakage: the compressor membrane head is sealed by static “O” ring. The O “ring is made of elastic material, with long service life and no dynamic seal to ensure no leakage during gas compression.
Corrosion resistance: the compressor membrane head can be made of 316L stainless steel, the diaphragm is made of 301 stainless steel.
Small tightening torque: “O” ring seal, can reduce flange bolt tightening torque, reduce shutdown maintenance time.
Reference Specfication:

 

GL series diaphragm compressor parameter table
  Model Cooling water consumption (t/h) Displacement (Nm³/h) Intake pressure (MPa) Exhaust pressure (MPa) Dimensions L×W×H(mm) Weight (t) Motor Power (kW)
1 GL-10/160 1 10 atmo 16 2200×1200×1300 1.6 7.5
2 GL-25/15 1 25 tomo 1.5 2200×1200×1300 1.6 7.5
3 GL-20/12-160 1 20 1.2 16 2200×1200×1300 1.6 7.5
4 GL-70/5-35 1.5 70 0.5 3.5 2000×1000×1200 1.6 15
5 GL-20/10-150 1.5 20 1.0 15 2200×1200×1300 1.6 15
6 GL-25/5-150 1.5 25 0.5 15 2200×1200×1300 1.6 15
7 GL-45/5-150 2 45 0.5 15 2600×1300×1300 1.9 18.5
8 GL-30/10-150 1.5 30 1.0 15 2300×1300×1300 1.7 11
9 GL-30/5-160 2 30 0.5 16 2800×1300×1200 2.0 18.5
10 GL-80/0.05-4 4.5 80 0.005 0.4 3500×1600×2100 4.5 37
11 GL-110/5-25 1.4 110 0.5 2.5 2800×1800×2000 3.6 22
12 GL-150/0.3-5 1.1 150 0.03 0.5 3230×1770×2200 4.2 18.5
13 GL-110/10-200 2.1 110 1 20 2900×2000×1700 4 30
14 GL-170/2.5-18 1.6 170 0.25 1.8 2900×2000×1700 4 22
15 GL-400/20-50 2.2 400 2.0 5.0 4000×2500×2200 4.5 30
16 GL-40/100 3.0 40 0.0 10 3700×1750×2000 3.8 30
17 GL-900/300-500 3.0 900 30 50 3500×2350×2300 3.5 55
18 GL-100/3-200 3.5 100 0.3 20 3700×1750×2150 5.2 55

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

|

air compressor

Are there special considerations for air compressor installations in remote areas?

Yes, there are several special considerations to take into account when installing air compressors in remote areas. These areas often lack access to infrastructure and services readily available in urban or well-developed regions. Here are some key considerations:

1. Power Source:

Remote areas may have limited or unreliable access to electricity. It is crucial to assess the availability and reliability of the power source for operating the air compressor. In some cases, alternative power sources such as diesel generators or solar panels may need to be considered to ensure a consistent and uninterrupted power supply.

2. Environmental Conditions:

Remote areas can present harsh environmental conditions that can impact the performance and durability of air compressors. Extreme temperatures, high humidity, dust, and corrosive environments may require the selection of air compressors specifically designed to withstand these conditions. Adequate protection, insulation, and ventilation must be considered to prevent damage and ensure optimal operation.

3. Accessibility and Transport:

Transporting air compressors to remote areas may pose logistical challenges. The size, weight, and portability of the equipment should be evaluated to ensure it can be transported efficiently to the installation site. Additionally, the availability of suitable transportation infrastructure, such as roads or air transportation, needs to be considered to facilitate the delivery and installation process.

4. Maintenance and Service:

In remote areas, access to maintenance and service providers may be limited. It is important to consider the availability of trained technicians and spare parts for the specific air compressor model. Adequate planning for routine maintenance, repairs, and troubleshooting should be in place to minimize downtime and ensure the longevity of the equipment.

5. Fuel and Lubricants:

For air compressors that require fuel or lubricants, ensuring a consistent and reliable supply can be challenging in remote areas. It is necessary to assess the availability and accessibility of fuel or lubricant sources and plan for their storage and replenishment. In some cases, alternative or renewable fuel options may need to be considered.

6. Noise and Environmental Impact:

Remote areas are often characterized by their natural beauty and tranquility. Minimizing noise levels and environmental impact should be a consideration when installing air compressors. Selecting models with low noise emissions and implementing appropriate noise reduction measures can help mitigate disturbances to the surrounding environment and wildlife.

7. Communication and Remote Monitoring:

Given the remote location, establishing reliable communication channels and remote monitoring capabilities can be essential for effective operation and maintenance. Remote monitoring systems can provide real-time data on the performance and status of the air compressor, enabling proactive maintenance and troubleshooting.

By addressing these special considerations, air compressor installations in remote areas can be optimized for reliable operation, efficiency, and longevity.

air compressor

Are there differences between single-stage and two-stage air compressors?

Yes, there are differences between single-stage and two-stage air compressors. Here’s an in-depth explanation of their distinctions:

Compression Stages:

The primary difference between single-stage and two-stage air compressors lies in the number of compression stages they have. A single-stage compressor has only one compression stage, while a two-stage compressor has two sequential compression stages.

Compression Process:

In a single-stage compressor, the entire compression process occurs in a single cylinder. The air is drawn into the cylinder, compressed in a single stroke, and then discharged. On the other hand, a two-stage compressor utilizes two cylinders or chambers. In the first stage, air is compressed to an intermediate pressure in the first cylinder. Then, the partially compressed air is sent to the second cylinder where it undergoes further compression to reach the desired final pressure.

Pressure Output:

The number of compression stages directly affects the pressure output of the air compressor. Single-stage compressors typically provide lower maximum pressure levels compared to two-stage compressors. Single-stage compressors are suitable for applications that require moderate to low air pressure, while two-stage compressors are capable of delivering higher pressures, making them suitable for demanding applications that require greater air pressure.

Efficiency:

Two-stage compressors generally offer higher efficiency compared to single-stage compressors. The two-stage compression process allows for better heat dissipation between stages, reducing the chances of overheating and improving overall efficiency. Additionally, the two-stage design allows the compressor to achieve higher compression ratios while minimizing the work done by each stage, resulting in improved energy efficiency.

Intercooling:

Intercooling is a feature specific to two-stage compressors. Intercoolers are heat exchangers placed between the first and second compression stages. They cool down the partially compressed air before it enters the second stage, reducing the temperature and improving compression efficiency. The intercooling process helps to minimize heat buildup and reduces the potential for moisture condensation within the compressor system.

Applications:

The choice between a single-stage and two-stage compressor depends on the intended application. Single-stage compressors are commonly used for light-duty applications such as powering pneumatic tools, small-scale workshops, and DIY projects. Two-stage compressors are more suitable for heavy-duty applications that require higher pressures, such as industrial manufacturing, automotive service, and large-scale construction.

It is important to consider the specific requirements of the application, including required pressure levels, duty cycle, and anticipated air demand, when selecting between a single-stage and two-stage air compressor.

In summary, the main differences between single-stage and two-stage air compressors lie in the number of compression stages, pressure output, efficiency, intercooling capability, and application suitability.

air compressor

Are there portable air compressors available for home use?

Yes, there are portable air compressors specifically designed for home use. These portable models offer convenience, versatility, and ease of use for various tasks around the house. Here are some key points about portable air compressors for home use:

1. Compact and Lightweight: Portable air compressors are typically compact and lightweight, making them easy to transport and store. They are designed with portability in mind, allowing homeowners to move them around the house or take them to different locations as needed.

2. Electric-Powered: Most portable air compressors for home use are electric-powered. They can be plugged into a standard household electrical outlet, eliminating the need for gasoline or other fuel sources. This makes them suitable for indoor use without concerns about emissions or ventilation.

3. Versatile Applications: Portable air compressors can be used for a wide range of home applications. They are commonly used for inflating tires, sports equipment, and inflatable toys. They are also handy for operating pneumatic tools such as nail guns, staplers, and paint sprayers. Additionally, portable air compressors can be used for cleaning tasks, powering airbrushes, and other light-duty tasks around the house.

4. Pressure and Capacity: Portable air compressors for home use typically have lower pressure and capacity ratings compared to larger industrial or commercial models. They are designed to meet the needs of common household tasks rather than heavy-duty applications. The pressure and capacity of these compressors are usually sufficient for most home users.

5. Oil-Free Operation: Many portable air compressors for home use feature oil-free operation. This means they do not require regular oil changes or maintenance, making them more user-friendly and hassle-free for homeowners.

6. Noise Level: Portable air compressors designed for home use often prioritize low noise levels. They are engineered to operate quietly, reducing noise disturbances in residential environments.

7. Cost: Portable air compressors for home use are generally more affordable compared to larger, industrial-grade compressors. They offer a cost-effective solution for homeowners who require occasional or light-duty compressed air applications.

When considering a portable air compressor for home use, it’s important to assess your specific needs and tasks. Determine the required pressure, capacity, and features that align with your intended applications. Additionally, consider factors such as portability, noise level, and budget to choose a suitable model that meets your requirements.

Overall, portable air compressors provide a practical and accessible compressed air solution for homeowners, allowing them to tackle a variety of tasks efficiently and conveniently within a home setting.

China factory High Pressure Air 7.5bar 120bar CE Standard C2h4o Ethylene Oxide Hydrogen Diaphragm Compressor   air compressor for saleChina factory High Pressure Air 7.5bar 120bar CE Standard C2h4o Ethylene Oxide Hydrogen Diaphragm Compressor   air compressor for sale
editor by CX 2023-12-15