China Good quality High Pressure Oxygen Helium Hydrogen Gas Air Screw Diaphragm Compressor with Good quality

Product Description

V type diaphragm compressor for high purity gases


type inlet pressure
outlet pressure
flow rate
rotate speedr/min
1G3V-40/13-I normal pressure 1.3 40 15 330
2G3V-40/13-150 1.3 15 40 15 400
H-GV3-950/69-80 6.9 8.0 950 18.5 400
H-GV3-60/2-74 0.2 7.4 60 22 400
GV3-100/17-250 1.7 25 100 30 400
GV3-200/140-300 14 30 200 30 400
G2.5V-10/200 normal pressure 20 10 7.5 400
G2.5V-10/1-160 0.1 16 10 11 400
G2.5V-20/4-350 0.4 35 20 11 400
G2.5V-20/4-160 0.4 16 20 11 400
G2.5V-20/4-250 0.4 25 20 11 400
CG2V-5/200 normal pressure 20 5.0 3.0 400
G2V-10/13 normal pressure 1.3 10 3.0 400
G2V-5/4-350 0.4 35 5.0 3.0 400
G2V-8/2.5-160 0.25 16 8.0 5.5 400
G2V-5/4-160 0.4 16 5.0 5.5 400

1  Equipment specifications and requirements
1.1 Location and site conditions:
(1)      installation location: Indoor
(2)    :  dIIBT4,
Explosion protection requirements: Motor dIIBT4, 
1.2:  Common engineering criteria
(1)     Cooling water
 Pressure                       3~5 Bar (G)
Water inlet temperature        ≤ 30ºC
 (2) Electric                         3P/380  VAC/ 50HZ, 
1.3 Drive method: Electric motor , Belt drive
1.4  Processing technology and parameter requirements
(1)Suction pressure:            7 bar  (G)
(2) Discharge pressure:          160bar (G) 
(3) Suction Capacity:            50Nm3/h
(4)  Media:                 CH4 C2H4
(5) Suction temperature:         ≤30 ºC
(6) Temperature of water inlet:    ≤30 ºC

2 Technical Parameters

2.1  Main Technical Specifications
(1) Model:                       GL2-50/7-160
(2) Type                       
L-type, water-cooling,two-stage Compression
(3) Drive method      Crank shaft and connecting rod
(4)  Media    :             CH4  C2H4
(5)Suction Capacity:            50Nm3/h
(6) Suction pressure:            7 bar  (G)
(7) Discharge pressure:           160bar(G)
(8) Suction temperature:           ≤30 ºC
(9)Discharge temperature:         ≤45 ºC
(10)Lube oil temperature:        ≤70 ºC
(11) Crank shaft speed:        420r/min
(12) Piston stroke:             105 mm
(13) Shaft power:                ≤9.5.kW
(14) Water-inlet temperature:       ≤30 ºC
(15) Cooling water consumption    1200L/h
(16)Lube oil trademark:        L-HM -68
                                      L-HM-68# Chemical-Resistant Lube oil
(18) :Amount of the first oil:       25Kg
(19) Transmission method:          strap transmission
2.2  Electromotor
(1)Model:                         YB3-160L-4 
(2) Power:                       15kW
(3) Electromotor speed:             1460r/min
(4) Supply voltage                 380V/50Hz
(5) Defend exploding grade:     dIIBT4
(6) Defend and insulation request:  IP55/F
2.2.1 Electromotor
(1)Model:                         YB3-80L-4 
(2) Power:                       0.75kW
(3) Electromotor speed:            1400r/min
(4) Supply voltage                 380V/50Hz
2.3 Compressor skid
(1) Dimensions:     1700×850×1150mm
(2) Weight:                          1100 kg

3  Technical requirements
3.1 Materials in contact with the medium and compression
(1) Gas cover:                       3Cr13
(2) Diaphragms:                 /00Cr15Ni5.
(3) Suction valve and Discharge valve:  
  Hoerbiger / Cozzani,baohua
(4) 304 stainless steel
Pipeline, Joint, Flange, Cooler, etc.,  304stainless steel 
3.2 Important accessory material
(1) Diaphragm head:                  45
(2) Perforated plate:                45
(3) Piston pole:                    40Cr
(4) Crankcase:                      HT200
(5) Cross-head:                     QT600-3
(6) Oil-pipeline                     304  stainless steel
(7) Strap                      Anti static triangle belt
3.3   The request to Equipment
(1) Compressor,electromotor,assistant equipment,gauge and pipeline install on the underpan ;
(2) Supply Specialties tools,spare parts and document 1 set.
(3) PID;Affording the control principle drawing.
3.4  All of the compressor control
(1)Auto alarm for 1st stage diaphragm rupture
Auto alarm for 1st stage diaphragm rupture,the pressure is higher than 0.25MPa, compressor alarm shutdown, 
(2) Auto alarm for 1st stage diaphragm rupture
Auto alarm for 2st stage diaphragm rupture,the pressure is higher than 0.25Mpa, compressor alarm shutdown, 

4 High exhaust pressure protection
16.5 MPa,
Exhaust pressure is higher than 16.5mpa, compressor alarm

After-sales Service: 10024-97-2
Warranty: 1year
Principle: Diaphragm Compressor
Application: High Back Pressure Type
Performance: Low Noise
Mute: Not Mute


air compressor

Are There Portable Screw Compressors Available?

Yes, portable screw compressors are available in the market to cater to various applications that require mobility and flexibility. Here’s a detailed explanation:

Portable screw compressors are compact and designed for easy transportation, allowing them to be used in different locations as needed. They offer the advantage of providing compressed air or gas on-site without the need for a fixed installation.

These compressors are typically designed with features that make them suitable for portable applications. Some key characteristics of portable screw compressors include:

  • 1. Compact and Lightweight Design: Portable screw compressors are designed to be lightweight and compact, making them easy to transport and maneuver. They are often mounted on wheels or skids for enhanced mobility.
  • 2. Durability and Robustness: Portable compressors are built to withstand the rigors of transportation and on-site use. They are constructed with sturdy materials and reinforced components to ensure durability in various working environments.
  • 3. Engine-Powered: Many portable screw compressors are powered by internal combustion engines, such as gasoline or diesel. This eliminates the need for a fixed power source, allowing them to be used in remote locations or areas without access to electricity.
  • 4. Integrated Controls and Safety Features: Portable compressors are equipped with user-friendly controls and safety features for easy operation and protection. These may include start/stop controls, pressure regulation systems, temperature monitoring, and safety shutdown mechanisms.
  • 5. Noise and Vibration Reduction: Portable screw compressors often incorporate noise and vibration reduction technologies to minimize their operational noise levels and vibrations. This helps maintain a comfortable and safe working environment.
  • 6. Versatility in Application: Portable screw compressors are designed to accommodate a wide range of applications. They can be used for construction projects, road repairs, mining operations, oil and gas exploration, emergency air supply, and other portable compressed air or gas requirements.

The capacity and performance of portable screw compressors can vary, ranging from smaller units suitable for light-duty tasks to larger compressors capable of delivering higher volumes and pressures for heavy-duty applications.

When selecting a portable screw compressor, it’s important to consider factors such as the required air or gas flow rate, operating pressure, power source availability, environmental conditions, and specific application needs. Consulting with manufacturers or suppliers can help in choosing the most suitable portable screw compressor for a particular use case.

air compressor

What Is the Impact of Ambient Temperature on Screw Compressor Performance?

Ambient temperature has a significant impact on the performance of screw compressors. Here’s a detailed explanation:

Screw compressors, like other types of compressors, rely on the surrounding environment to dissipate heat and maintain optimal operating conditions. The ambient temperature directly affects the compressor’s efficiency, capacity, power consumption, and overall performance.

Here are the key ways in which ambient temperature influences screw compressor performance:

1. Cooling Efficiency:

The cooling efficiency of a screw compressor is affected by the temperature difference between the compressed gas and the ambient air. As the ambient temperature increases, the temperature difference decreases, making it more challenging to transfer heat effectively. This can lead to higher discharge temperatures and reduced cooling efficiency, potentially impacting the compressor’s overall capacity and performance.

2. Capacity and Power Consumption:

Higher ambient temperatures can decrease the capacity of a screw compressor. Compressors are typically designed and rated based on specific operating conditions, including a defined ambient temperature range. When the ambient temperature exceeds the design limits, the compressor may experience reduced volumetric efficiency, resulting in a decrease in its overall capacity. Additionally, the compressor may require more power to maintain the desired pressure levels, leading to increased power consumption.

3. Heat Recovery:

In some applications, screw compressors are equipped with heat recovery systems to utilize the waste heat generated during compression. The effectiveness of heat recovery is influenced by the ambient temperature. Higher ambient temperatures can reduce the temperature differential available for heat exchange, limiting the potential for heat recovery and decreasing the overall system efficiency.

4. Lubrication and Cooling:

Screw compressors rely on lubrication systems to reduce friction and prevent wear between moving parts. The ambient temperature affects the performance of the lubricant. In high ambient temperatures, the lubricant may experience decreased viscosity, potentially leading to inadequate lubrication and increased wear on compressor components. Similarly, the cooling system of the compressor, including fans and heat exchangers, may be less effective in higher ambient temperatures, impacting the compressor’s ability to dissipate heat.

5. Operating Envelope:

Screw compressors have specified operating envelopes, which define the acceptable range of operating conditions, including ambient temperature. Operating the compressor outside its designed ambient temperature range can result in reduced reliability, increased maintenance requirements, and potential system failures. It is crucial to adhere to the manufacturer’s guidelines and ensure that the compressor operates within the recommended ambient temperature limits.

6. Control and Protection:

Modern screw compressors often feature advanced control and protection systems that monitor various parameters, including ambient temperature. These systems may adjust compressor operation, such as modulation of capacity or cooling strategies, to optimize performance and protect the compressor from operating outside safe limits. Understanding the impact of ambient temperature allows for appropriate adjustments and settings to maintain reliable and efficient compressor operation.

It’s important to note that different compressor models and manufacturers may have specific performance characteristics and operating limits. Therefore, consulting the manufacturer’s documentation and guidelines for the particular screw compressor in use is essential.

In summary, ambient temperature significantly affects the performance of screw compressors. Higher ambient temperatures can reduce cooling efficiency, decrease compressor capacity, increase power consumption, and impact lubrication and cooling systems. Adhering to recommended operating conditions and considering ambient temperature limitations are crucial for ensuring optimal performance, reliability, and longevity of screw compressors.

air compressor

What Is the Efficiency of Screw Compressors?

The efficiency of screw compressors can vary depending on various factors, including the design, operating conditions, and maintenance. Here’s a detailed explanation of the efficiency of screw compressors:

1. Isothermal Efficiency:

Isothermal efficiency refers to the ideal efficiency of a compressor operating under isothermal conditions. In reality, screw compressors experience temperature rise during compression, and therefore, they do not achieve isothermal efficiency. The compression process in screw compressors is considered to be relatively close to isothermal compared to other compressor types, such as reciprocating compressors. This is due to the continuous and smooth flow of air or gas through the compression chamber, which helps in minimizing temperature differences.

2. Adiabatic Efficiency:

Adiabatic efficiency refers to the actual efficiency of a compressor, taking into account the heat generated during compression. Screw compressors typically have higher adiabatic efficiency compared to reciprocating compressors. The helical design of the rotors and the presence of intermeshing lobes allow for efficient compression with minimal energy loss. The adiabatic efficiency of a screw compressor can be influenced by factors such as the compression ratio, rotational speed, and discharge pressure.

3. Overall Efficiency:

The overall efficiency of a screw compressor takes into account various factors, including mechanical losses, power consumption, and auxiliary power requirements. Mechanical losses can occur due to friction between the rotors, bearings, and other moving parts. Well-maintained screw compressors with properly lubricated components and well-aligned rotors can minimize mechanical losses and improve overall efficiency. Power consumption is another factor affecting efficiency, and it can vary depending on the size, design, and operating conditions of the compressor.

4. Energy Efficiency:

Energy efficiency is an important aspect of screw compressors. It relates to the ability of the compressor to convert electrical energy into compressed air with minimal energy waste. Energy-efficient screw compressors are designed to optimize the compression process, reduce power consumption, and maximize output for a given input. Variable Speed Drive (VSD) screw compressors, for example, can adjust the rotational speed to match the compressed air demand, resulting in improved energy efficiency and significant energy savings.

It’s important to note that the efficiency of screw compressors can vary depending on the specific model, design features, and operating conditions. Regular maintenance, including proper lubrication, cleaning, and component inspection, is crucial for maintaining high efficiency levels. Additionally, selecting the right size and type of screw compressor for the intended application is essential to achieve optimal efficiency and performance.

In summary, screw compressors are known for their relatively high efficiency compared to other compressor types. While they may not achieve perfect isothermal efficiency, their adiabatic efficiency, overall efficiency, and energy efficiency make them suitable for a wide range of industrial applications.

China Good quality High Pressure Oxygen Helium Hydrogen Gas Air Screw Diaphragm Compressor   with Good qualityChina Good quality High Pressure Oxygen Helium Hydrogen Gas Air Screw Diaphragm Compressor   with Good quality
editor by CX 2023-11-30

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