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China Good quality 37kw Industrial Oil Free Screw Air Compressor for Food Medical Industry Laser Cutting Engraving Welding Machine 12v air compressor

Product Description

Product Description

HY(V)-Z Series Medium Voltage Permanent Magnet Variable Frequency Screw Air Compressor

01.Advanced Medium Voltage Dual Stage Mainframe
1. Two-stage integrated design, oil mist spray cooling is used between stages, which reduces the temperature of the air, and the compression process is close to the most energy-saving isothermal compression. In principle, two-stage compression saves 5%-8% of energy compared to single-machine compression ;
2. It is suitable for the compression ratio matching of medium voltage , the leakage in the main engine is small, and the volumetric efficiency is high;
3. The bearing adopts imported heavy-duty bearing, which makes the force of the rotor better; the two-stage rotors are HY iven by helical gears respectively, so that each stage of the rotor has the best linear speed;
4. The third-generation asymmetric rotor technology, the tooth surface is processed by the German KAPP rotor grinder, creating a high-precision rotor, which is the first guarantee for the high efficiency and stability of the host.

02.High efficiency permanent magnet synchronous motor
1. IP54 protection grade, which is more stable and reliable than IP23 in harsh environment;
2. Low temperature rise design, higher efficiency, and extended the service life of the motor;
3. Use ceramic plated bearings to completely eliminate the influence of shaft current on bearings;
4. It is made of rare earth permanent magnet materials, with large torque and small current during startup and operation;
5. With reasonable magnetic field design and magnetic density distribution, the working frequency range of energy-saving motors is wider and the operating noise is low;
6. Cooperating with the operation of the frequency converter, the frequency conversion soft start is realized, which avoids the strong mechanical impact of the machine and equipment when the motor is started at full pressure, and is conducive
to protecting the mechanical equipment, reducing equipment maintenance and improving the reliability of the equipment.

03 . Special valve group
1. Intake valve: It adopts a special normally closed butterfly valve for medium voltage , with a non-return function, stable operation, high precision of air volume control, built-in noise reduction design, low cavitation noise and long service life;
2. Minimum pressure maintenance valve: special valve for medium voltage , high pressure resistance, high temperature resistance, accurate opening pressure, ensuring stable pressure in the barrel, ultra-fast return to seat, strong sealing, ensuring no backflow of gas, low pressure loss and high efficiency ;
3. Temperature control valve: The unit is equipped with a mixed-flow temperature control valve to ensure that the unit is more convenient to start in a low temperature environment, and to ensure the oil supply of the unit at any time; by controlling the oil supply temperature of the main engine to ensure that the unit is in the best performance state;
4. Oil cut-off valve: special normally closed valve for medium voltage , controlled by the exhaust pressure of the machine head. When starting up, the valve opens quickly to ensure that the compressor is lubricated and warmed up as soon as possible; when shutting down, the valve prevents oil from being ejected from the intake end.

04.Advanced and reliable electric control system
1. Large-size color LCD touch screen, with good man-machine communication interface, touch screen with anti-mistouch and sleep function;
2. It adopts double frequency conversion system, which is more energy-saving. The frequency converter and the motor are perfectly matched, and the low frequency and high torque can output 180% of the rated torque;
3. According to the characteristics of medium voltage, a special program is developed, with multiple pressure sensors and multiple temperature sensors, which can comprehensively detect the operating status of the unit, and automatically control the machine status without special care;
4. Configure the Internet of Things, you can check the operating status of the unit on the mobile phone;
5. Independent air duct design, suitable for various working conditions.

05.Silent centrifugal fan
1. Adopt centrifugal fan, brand-new separate radial cooling fan design, with special cooler, better cooling effect and more energy saving;
2. Compared with axial flow fans, centrifugal fans have higher wind pressure and lower noise;
3. Using variable frequency fan control, the oil temperature is constant, prolonging the service life of lubricating oil;
4. Due to the high wind pressure, the cooler and the filter are less likely to be blocked.

06.High quality triple filter

1. The filtration area of the air filter exceeds 150% of the normal requirement, the inlet pressure loss is low, and the energy efficiency is good;2. The oil filter adopts a full-flow built-in pressure-bearing oil filter suitable for medium voltage conditions. The rated processing capacity of the oil filter is 1.3 times the circulating oil volume. The imported filter material and the design scheme of large margin are selected, which has high filtration precision and good durability.
3. The oil is divided into special customized oil, which is designed and developed for medium-pressure working conditions, with wide applicable pressure range, good separation effect and low operating pressure loss; imported glass fiber material is selected;
4. The design of the 3 filter positions is reasonable, the maintenance is convenient, and the downtime is reduced.

07.High quality and efficient coupling
1. The coupling is a torsional elastic coupling with a failure protection function, which can effectively damp and reduce the vibration and impact generated during operation;
2. The elastic body is only under pressure and can bear a larger load, and the drum-shaped teeth of the elastic body can avoid stress concentration.   

Overall energy saving of products

Compared with power frequency air compressor, energy-saving variable frequency air compressor has practical significance.
1. The pressure control of the inverter air compressor is accurate. It can quickly respond to pressure changes, adjust the speed of the permanent magnet motor, control the pressure fluctuation range within 0.1bar, stabilize the pipe network pressure, provide the necessary air volume with the most reasonable power, and reduce excess energy consumption.
2. The variable frequency air compressor adopts the method of variable frequency starting, which eliminates the CHINAMFG current of the star-delta starting, and starts smoothly. Reduce the starting power, reduce the impact on the grid and equipment, and reduce equipment operating noise.
3. The frequency conversion control is more excellent than the ordinary throttling control. The adjustment range of the flow rate is larger, and with the high-efficiency permanent magnet motor, the energy saving effect is more significant at low percentage flow rate.
4. Most of the cost in the life cycle of the air compressor is generated by the electricity it consumes. The power consumption of the compressor is closely related to the air used on site. The inverter air compressor can not only ensure smooth and guaranteed production, but also save considerable electricity bills and achieve a CHINAMFG situation for the enterprise.

Energy consumptionMaintenance cost
Purchase cost 
Energy consumption-Maintenance cost
Purchase cost energy conservation

Product application scenarios
 Mining equipment: used for high-pressure blasting mining, HY iving all kinds of pneumatic machinery.

Baling machine: the air compressor is used in the pneumatic baling machine. After compressing the air, the piston of the cylinder is pressed down to HY ive the vibrator to move quickly, so that the overlapping part of the packing belt has a hot-melt effect.

Product case

An oil field borders the CHINAMFG Sea in the East, the central ZheJiang Plain in the west, ZheJiang Province in the southeast, and the junction of ZheJiang and HangZhou in the north. It spans 25 districts, cities and counties in ZheJiang , HangZhou and ZheJiang provinces. The exploration and development construction began in January 1964, with a total exploration and development area of 18716 square meters. The oil headquarters is located in ZheJiang Xihu (West Lake) Dis. New Area, the key development and opening-up construction area of the national “Eleventh Five Year Plan”. It is 190 kilometers away from ZheJiang , 40 kilometers away from ZheZheJiang ngang and 70 kilometers away from ZheJiang International Airport. It has a superior geographical location, developed sea, land and air transportation and convenient traffic. It is an important part of the CHINAMFG rim economic circle. HY -45z from CHINAMFG company is mainly used for pipeline purging and gas supply.

M edium voltage  direct-coupled CHINAMFG

HY-Z Working pressure Capacity Power NOise Air outlet Net weight
  bar Psig (m3/min) cfm kW hp dB Pipe
diameter		  
HY-18Z 20 291 1.7 61 18 25 65 ±3 G3/4″ 868
25 364 1.7 61 18 25 65 ±3 G3/4″ 868
30 437 1.7 61 18 25 65±3 G3/4″ 868
HY-22Z 20 291 2.1 74 22 30 65±3 G3/4″ 900
25 364 2.1 74 22 30 65±3 G3/4″ 900
30 437 2.1 74 22 30 65 ±3 G3/4″ 900
35 510 1.6 57 22 30 65±3 G3/4″ 900
40 583 1.6 57 22 30 65±3 G3/4″ 900
HY-37Z 20 291 3.3 117 37 50 65 ±3 G3/4″ 1340
25 364 3.3 117 37 50 65±3 G3/4″ 1340
30 437 3.3 117 37 50 65 ± 3 G3/4″ 1340
35 510 3.0 106 37 50 65 ± 3 G3/4″ 1340
40 583 3.0 106 37 50 65±3 G3/4″ 1340
HY-55Z 20 291 6.4 225 55 75 67±3 DN32 2100
25 364 5.0 176 55 75 67±3 DN32 2100
30 437 4.7 165 55 75 67 ±3 DN32 2100
35 510 4.3 151 55 75 67±3 DN32 2100
40 583 3.8 133 55 75 67 ±3 DN32 2100
HY-75Z 20 291 7.2 255 75 100 68±3 DN32 2300
25 364 7.0 248 75 100 68±3 DN32 2300
30 437 6.7 237 75 100 68±3 DN32 2300
35 510 6.3 223 75 100 68±3 DN32 2300
40 583 5.7 201 75 100 68±3 DN32 2300
HY-90Z 20 291 12.0 423 90 120 70 ±3 DN32 2800
25 364 10.3 364 90 120 70±3 DN32 2800
30 437 10.0 353 90 120 70 ±3 DN32 2800
35 510 6.3 223 90 120 70±3 DN32 2800
40 583 5.8 205 90 120 70±3 DN32 2800
HY-110Z 20 291 13.7 483 110 150 72 ±3 DN40 3000
25 364 12.5 440 110 150 72 ±3 DN40 3000
30 437 10.3 363 110 150 72 ±3 DN40 3000
35 510 9.6 339 110 150 72 ±3 DN40 3000
40 583 9.1 321 110 150 72 ±3 DN40 3000
HY-132Z 20 291 16.3 576 132 175 74 ±3 DN50 3200
25 364 13.5 476 132 175 74±3 DN50 3200
30 437 12.2 430 132 175 74 ±3 DN50 3200
35 510 11.8 416 132 175 74 ±3 DN50 3200
40 583 11.3 398 132 175 74 ±3 DN50 3200
HY-160Z 20 291 20.0 706 160 215 75 ±3 DN50 3600
25 364 16.1 567 160 215 75 ±3 DN50 3600
HY-185Z 20 291 23.5 829 185 250 76±3 DN50 3800
25 364 18.5 652 185 250 76±3 DN50 3800
HY-200Z 20 291 26.0 918 200 270 76±3 DN50 4800
25 364 22.9 809 200 270 76±3 DN50 4800
30 437 22.2 783 200 270 76 ±3 DN50 4800
HY-200ZW 20 291 30.2 1067 220 300 78 ±3 DN65 5000
25 364 25.8 911 220 300 78 ±3 DN65 5000
30 437 23.2 819 220 300 78±3 DN65 5000
35 510 22.0 776 220 300 78±3 DN65 5000
HY-250ZW 20 291 34.2 1207 250 350 78±3 DN65 5500
25 364 29.1 1026 250 350 78 ±3 DN65 5500
30 437 27.5 972 250 350 78±3 DN65 5500
35 510 25.2 888 250 350 78±3 DN65 5500
40 583 22.8 804 250 350 78±3 DN65 5500
HY-280ZW 20 291 37.7 1330 280 375 80±3 DN65 5800
25 364 34.0 1200 280 375 80±3 DN65 5800
30 437 30.0 1060 280 375 80±3 DN65 5800
35 510 27.3 965 280 375 80±3 DN65 5800
40 583 25.0 881 280 375 80±3 DN65 5800
HY-315ZW 30 437 33.7 1189 315 422 80±3 DN65 6400
35 510 29.8 1053 315 422 80±3 DN65 6400
40 583 27.1 958 315 422 80±3 DN65 6400

CHINAMFG compressor product parameter table follows
1 The exhaust gas volume value is the gas volume flow rate in the following state (temperature: 32°C, atmospheric pressure: 101.325KPa)
2. Pressure value after exhaust pressure check valve
3. The noise value is the value in the anechoic chamber, test tolerance: 3dB(A)

Medium voltage  permanent magnet variable frequency CHINAMFG

HY(V)-Z  Working pressure Capacity Power Noise Air outlet Net weight
bar psig (m3/min) cfm kW hp dB Pipe diameter  
HYV-55Z 20 291 3.8-6.4 134-226 55 75 67±3 DN32 2200
25 364 3.6-6.0 127-212 55 75 67±3 DN32 2200
30 437 3.1-5.2 109-184 55 75 67±3 DN32 2200
35 510 2.6-4.3 92-152 55 75 67±3 DN32 2200
40 583 2.3-3.8 81-134 55 75 67±3 DN32 2200
HYV-75Z 20 291 4.6-7.7 162-272 75 100 68±3 DN32 2400
25 364 4.5-7.5 159-265 75 100 68±3 DN32 2400
30 437 4.0-6.7 141-237 75 100 68±3 DN32 2400
35 510 3.8-6.3 134-222 75 100 68±3 DN32 2400
40 583 3.0-5.0 106-177 75 100 68±3 DN32 2400
HY-90Z 20 291 6.7-11.2 237-396 90 120 70±3 DN32 2800
25 364 6.2-10.3 219-364 90 120 70±3 DN32 2800
30 437 6.0-10.0 212-353 90 120 70±3 DN32 2800
35 510 4.1-6.8 145-240 90 120 70±3 DN32 2800
40 583 3.8-6.3 134-222 90 120 70±3 DN32 2800
HYV-110Z 20 291 8.2-13.6 290-480 110 150 72±3 DN40 3100
25 364 7.5-12.5 265-441 110 150 72±3 DN40 3100
30 437 6.5-10.8 230-381 110 150 72±3 DN40 3100
35 510 5.8-9.6 205-339 110 150 72±3 DN40 3100
40 583 5.5-9.1 194-321 110 150 72±3 DN40 3100
HYV-132Z 20 291 10.1-16.8 357-593 132 175 74±3 DN40 3300
25 364 9.0-15.0 318-530 132 175 74±3 DN40 3300
30 437 7.9-13.1 279-463 132 175 74±3 DN40 3300
35 510 7.1-11.8 251-417 132 175 74±3 DN40 3300
40 583 6.8-11.3 240-399 132 175 74±3 DN40 3300
HYV-160Z 20 291 9.6-16.0 339-565 160 215 75±3 DN50 3800
25 364 10.0-16.6 353-586 160 215 75±3 DN50 3800
30 437 9.8-16.3 346-576 160 215 75±3 DN40 3700
35 510 9.4-15.6 332-551 160 215 75±3 DN50 3800
40 583 8.3-13.8 293-487 160 215 75±3 DN40 3700
HYV-185Z 20 291 14.1-23.5 498-830 185 250 76±3 DN50 4000
25 364 11.7-19.5 413-689 185 250 76±3 DN50 4000
HYV-200Z 20 291 15.6-26.0 551-918 200 270 76±3 DN50 4200
25 364 13.7-22.9 484-809 200 270 76±3 DN50 4200
30 437 13.3-22.2 470-784 200 270 76±3 DN50 4200
HYV-220ZW 20 291 17.8-29.7 629-1049 220 300 78±3 DN65 5000
25 364 15.5-25.8 547-911 220 300 78±3 DN65 5000
30 437 13.9-23.2 491-819 220 300 78±3 DN65 5000
35 510 13.2-22.0 565-777 220 300 78±3 DN65 5000
40 583 12.2-20.3 431-717 220 300 78±3 DN65 5000
HYV-250ZW 20 291 20.5-34.2 724-1208 250 350 78±3 DN65 5700
25 364 17.5-29.1 618-1571 250 350 78±3 DN65 5700
30 437 16.5-27.5 583-971 250 350 78±3 DN65 5700
35 510 15.1-25.2 533-890 250 350 78±3 DN65 5700
40 583 13.7-22.8 484-805 250 350 78±3 DN65 5700
HYV-280ZW 20 291 22.6-37.7 798-1331 280 375 80±3 DN65 6000
25 364 20.4-34.0 720-1201 280 375 80±3 DN65 6000
30 437 18.0-30.0 636-1059 280 375 80±3 DN65 6000
35 510 16.4-27.3 579-964 280 375 80±3 DN65 6000
40 583 15.0-25.0 530-883 280 375 80±3 DN65 6500

4. Please consult our company for use in harsh working conditions such as high temperature, high humidity, high cold and high dust
5. Dimensions and weight of the whole machine are subject to change without prior notice
5. Please do not use compressed air directly for medical equipment inhaled by the human body

FAQ
 

Q1: What is the rotor speed for the air end?
A1: 2980rmp.

Q2: What’s your lead time?
A2: usually, 5-7 days. (OEM orders: 15days)

Q3: Can you offer water cooled air compressor?
A3: Yes, we can (normally, air cooled type).

Q4: What’s the payment term?
A4: T/T, L/C, Western Union, etc. Also we could accept USD, RMB, and other currency.

Q5: Do you accept customized voltage?
A5: Yes. 380V/50Hz/3ph, 380V/60Hz/3ph, 220V/50Hz/3ph, 220V/60Hz/3ph, 440V/50Hz/3ph, 440V/60Hz/3ph, or as per your requests.

Q6: What is your warranty for air compressor?
A6: One year for the whole air compressor(not including the consumption spare parts) and technical supports can be provided according to your needs.

Q7: Can you accept OEM orders?
A7: Yes, OEM orders are warmly welcome.

Q8: How about your customer service and after-sales service?
A8: 24hrs on-line support, 48hrs problem solved promise.

Q9: Do you have spare parts in stock?
A9: Yes, we do.

Q10: What kind of initial lubrication oil you used in air compressor?
A10: TOTAL 46# mineral oil.

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After-sales Service: Provide After-Sell Sevice
Lubrication Style: Oil-free
Cooling System: Air Cooling
Cylinder Position: Vertical
Structure Type: Closed Type
Installation Type: Movable Type
Customization:
Available

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air compressor

What is the role of air compressors in power generation?

Air compressors play a significant role in power generation, supporting various operations and equipment within the industry. Here are some key roles of air compressors in power generation:

1. Combustion Air Supply:

Air compressors are used to supply compressed air for the combustion process in power generation. In fossil fuel power plants, such as coal-fired or natural gas power plants, compressed air is required to deliver a steady flow of air to the burners. The compressed air helps in the efficient combustion of fuel, enhancing the overall performance and energy output of the power plant.

2. Instrumentation and Control:

Air compressors are utilized for instrumentation and control systems in power generation facilities. Compressed air is used to operate pneumatic control valves, actuators, and other pneumatic devices that regulate the flow of steam, water, and gases within the power plant. The reliable and precise control provided by compressed air ensures efficient and safe operation of various processes and equipment.

3. Cooling and Ventilation:

In power generation, air compressors are involved in cooling and ventilation applications. Compressed air is used to drive air-operated cooling fans and blowers, providing adequate airflow for cooling critical components such as generators, transformers, and power electronics. The compressed air also assists in maintaining proper ventilation in control rooms, substations, and other enclosed spaces, helping to dissipate heat and ensure a comfortable working environment.

4. Cleaning and Maintenance:

Air compressors are employed for cleaning and maintenance tasks in power generation facilities. Compressed air is utilized to blow away dust, dirt, and debris from equipment, machinery, and electrical panels. It helps in maintaining the cleanliness and optimal performance of various components, reducing the risk of equipment failure and improving overall reliability.

5. Pneumatic Tools and Equipment:

In power generation plants, air compressors provide the necessary compressed air for operating pneumatic tools and equipment. These tools include impact wrenches, pneumatic drills, grinders, and sandblasting equipment, which are utilized for installation, maintenance, and repair tasks. The high-pressure air generated by compressors enables efficient and reliable operation of these tools, enhancing productivity and reducing manual effort.

6. Nitrogen Generation:

Sometimes, air compressors are used in power generation for nitrogen generation. Compressed air is passed through a nitrogen generator system, which separates nitrogen from other components of air, producing a high-purity nitrogen gas stream. Nitrogen is commonly used in power plant applications, such as purging systems, blanketing in transformers, and generator cooling, due to its inert properties and low moisture content.

7. Start-up and Emergency Systems:

Air compressors are an integral part of start-up and emergency systems in power generation. Compressed air is utilized to power pneumatic starters for gas turbines, providing the initial rotation needed to start the turbine. In emergency situations, compressed air is also used to actuate emergency shutdown valves, safety systems, and fire suppression equipment, ensuring the safe operation and protection of the power plant.

Overall, air compressors contribute to the efficient and reliable operation of power generation facilities, supporting combustion processes, control systems, cooling, cleaning, and various other applications critical to the power generation industry.

air compressor

How are air compressors used in refrigeration and HVAC systems?

Air compressors play a vital role in refrigeration and HVAC (Heating, Ventilation, and Air Conditioning) systems, providing the necessary compression of refrigerant gases and facilitating the heat transfer process. Here are the key ways in which air compressors are used in refrigeration and HVAC systems:

1. Refrigerant Compression:

In refrigeration systems, air compressors are used to compress the refrigerant gas, raising its pressure and temperature. This compressed gas then moves through the system, where it undergoes phase changes and heat exchange to enable cooling or heating. The compressor is the heart of the refrigeration cycle, as it pressurizes and circulates the refrigerant.

2. Refrigeration Cycle:

The compression of refrigerant gas by the air compressor is an essential step in the refrigeration cycle. After compression, the high-pressure, high-temperature gas flows to the condenser, where it releases heat and condenses into a liquid. The liquid refrigerant then passes through an expansion valve or device, which reduces its pressure and temperature. This low-pressure, low-temperature refrigerant then enters the evaporator, absorbing heat from the surrounding environment and evaporating back into a gas. The cycle continues as the gas returns to the compressor for re-compression.

3. HVAC Cooling and Heating:

In HVAC systems, air compressors are used to facilitate cooling and heating processes. The compressor compresses the refrigerant gas, which allows it to absorb heat from the indoor environment in the cooling mode. The compressed gas releases heat in the outdoor condenser unit and then circulates back to the compressor to repeat the cycle. In the heating mode, the compressor reverses the refrigeration cycle, absorbing heat from the outdoor air or ground source and transferring it indoors.

4. Air Conditioning:

Air compressors are an integral part of air conditioning systems, which are a subset of HVAC systems. Compressed refrigerant gases are used to cool and dehumidify the air in residential, commercial, and industrial buildings. The compressor pressurizes the refrigerant, initiating the cooling cycle that removes heat from the indoor air and releases it outside.

5. Compressor Types:

Refrigeration and HVAC systems utilize different types of air compressors. Reciprocating compressors, rotary screw compressors, and scroll compressors are commonly used in these applications. The selection of the compressor type depends on factors such as system size, capacity requirements, efficiency, and application-specific considerations.

6. Energy Efficiency:

Efficient operation of air compressors is crucial for refrigeration and HVAC systems. Energy-efficient compressors help minimize power consumption and reduce operating costs. Additionally, proper compressor sizing and system design contribute to the overall energy efficiency of refrigeration and HVAC systems.

By effectively compressing refrigerant gases and facilitating the heat transfer process, air compressors enable the cooling and heating functions in refrigeration and HVAC systems, ensuring comfortable indoor environments and efficient temperature control.

air compressor

What are the safety considerations when operating an air compressor?

Operating an air compressor requires careful attention to safety to prevent accidents, injuries, and equipment damage. Here are some important safety considerations to keep in mind:

1. Read the Manual: Before operating an air compressor, thoroughly read and understand the manufacturer’s instruction manual. Familiarize yourself with the specific safety guidelines, recommended operating procedures, and any specific precautions or warnings provided by the manufacturer.

2. Proper Ventilation: Ensure that the area where the air compressor is operated has adequate ventilation. Compressed air can produce high levels of heat and exhaust gases. Good ventilation helps dissipate heat, prevent the buildup of fumes, and maintain a safe working environment.

3. Personal Protective Equipment (PPE): Always wear appropriate personal protective equipment, including safety glasses or goggles, hearing protection, and non-slip footwear. Depending on the task, additional PPE such as gloves, a dust mask, or a face shield may be necessary to protect against specific hazards.

4. Pressure Relief: Air compressors should be equipped with pressure relief valves or devices to prevent overpressurization. Ensure that these safety features are in place and functioning correctly. Regularly inspect and test the pressure relief mechanism to ensure its effectiveness.

5. Secure Connections: Use proper fittings, hoses, and couplings to ensure secure connections between the air compressor, air tools, and accessories. Inspect all connections before operation to avoid leaks or sudden hose disconnections, which can cause injuries or damage.

6. Inspect and Maintain: Regularly inspect the air compressor for any signs of damage, wear, or leaks. Ensure that all components, including hoses, fittings, and safety devices, are in good working condition. Follow the manufacturer’s recommended maintenance schedule to keep the compressor in optimal shape.

7. Electrical Safety: If the air compressor is electric-powered, take appropriate electrical safety precautions. Use grounded outlets and avoid using extension cords unless approved for the compressor’s power requirements. Protect electrical connections from moisture and avoid operating the compressor in wet or damp environments.

8. Safe Start-Up and Shut-Down: Properly start and shut down the air compressor following the manufacturer’s instructions. Ensure that all air valves are closed before starting the compressor and release all pressure before performing maintenance or repairs.

9. Training and Competence: Ensure that operators are adequately trained and competent in using the air compressor and associated tools. Provide training on safe operating procedures, hazard identification, and emergency response protocols.

10. Emergency Preparedness: Have a clear understanding of emergency procedures and how to respond to potential accidents or malfunctions. Know the location of emergency shut-off valves, fire extinguishers, and first aid kits.

By adhering to these safety considerations and implementing proper safety practices, the risk of accidents and injuries associated with operating an air compressor can be significantly reduced. Prioritizing safety promotes a secure and productive working environment.

China Good quality 37kw Industrial Oil Free Screw Air Compressor for Food Medical Industry Laser Cutting Engraving Welding Machine 12v air compressorChina Good quality 37kw Industrial Oil Free Screw Air Compressor for Food Medical Industry Laser Cutting Engraving Welding Machine 12v air compressor
editor by CX 2024-02-18

China Best Sales Portable Silent Oil Free Screw Air Compressor for Using Painting, Laboratory, Food Produce with Great quality

Product Description

Portable Silent Oil Free Screw Air Compressor for Using Painting, Laboratory, Food Produce

The ETC oil-free conversion technology opens up completely new possibilities for providing oil free compressed air in meeting with ISO 8573-1 Class 0 quality standard.

When it comes to holding down up-front operational costs, converter technology is ideally suited for the provision of entirely oil free compressed air. And it is dependable too: Penetration of oil into the compressed air network is absolutely impossible!

Operating costs are extremely low because no costly checkups are required. Commonly occurring risks such as oil penetration have been discarded, and frequent replacement of component elements as with filters has been completely eliminated.

Features of CHINAMFG ETC Series Oil Free Rotary Screw Air Compressor
1. Air quality to ISO8573-1 Class 0 standard with TUV certificate on request
2. Proven Eco-Tec Oil Free Converter technology from Germany and over thousands successful installation reference worldwide
3. Single stage airend design for easy and cost saving maintenance
4. T. E. F. C. IP55 class F electric motor in compliance with IEC/DIN standards
5. Modern concept suction valve with energy saving modulation control as option
6. Intelligent PLC control panel with sequential / remote control functions
7. Reliable automatic control box with “Siemens” contactors
8. High efficiency aftercooler (air- or water- cooled available)

Proper disposal is no problem either as a matter of fact, in terms of oil content the condensate is of drinking water quality! In the ETC converter the long hydrocarbon chains of the residual oil contained in the compressed air are broken up into harmless carbon dioxide and water, i.e. substances occurring naturally in the air. 

The catalytic converter incorporates a container with compact granulated pellets through which the compressed air circulates. This process breaks down and converts both oil droplets and oil vapors. The condensate that forms afterwards is therefore completely oil free and can be disposed of much less expensively and without the need for additional treatment. 

Oil/hydrogen concentration is below 0,0571 mg/m3. The addition of the catalytic converter guarantees class 1 compressed air (ISO 8573-1) for all applications where oil free compressed air is essential. 

ADEKOM (ASIA PACIFIC) LIMITED founded in the late 90’s is a specialized air/gas compressors and treatment system manufacturer with headquarter in Hong Kong. Its partners located in Vicenza, Italy and Germering, Germany are the world’s leading manufacturers with global recognition and experience in designing, manufacturing and marketing of rotary screw air/gas compressors for decades. QUALITY, RELIABILITY and ENERGY EFFICIENCY have been the main objectives of serving customers all over the world. CHINAMFG follows the company core of its European partners, is committed to the research & development, quality assurance and satisfaction of customers’ needs. Today, what CHINAMFG can do is not just to supply the best products to the market, but to provide THE TOTAL SOLUTION TO YOUR NEEDS!

CONTACT US

Asia Pacific Market: Spencer Lau (Ms.)

European/ Middle Eastern/ African Market: Echo Lok (Ms.)
 
American Market: Alice Kwok (Ms.)

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After-sales Service: Yes
Warranty: 12 Months
Lubrication Style: Oil-free
Cooling System: Air Cooling
Power Source: AC Power
Cylinder Position: Angular
Customization:
Available

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air compressor

Can Water-Lubricated Compressors Be Used in High-Pressure Applications?

Water-lubricated compressors can be used in high-pressure applications, but there are certain considerations and limitations to keep in mind. Here’s a detailed explanation:

Water-lubricated compressors are typically designed for lower to medium-pressure ranges. They are commonly used in applications where the required discharge pressure does not exceed a certain threshold, typically up to a few hundred pounds per square inch (psi). However, there are specialized water-lubricated compressors available that can handle higher pressures, depending on the specific design and construction.

The ability of a water-lubricated compressor to operate at high pressures depends on several factors:

  1. Compressor Design: The design and construction of the compressor play a crucial role in determining its maximum pressure rating. Compressors designed for high-pressure applications need to have robust components, such as reinforced casings, high-strength materials, and proper sealing mechanisms to withstand the elevated pressures. Special attention should be given to the design of the water-lubricated bearing system to ensure it can handle the increased loads and pressures.
  2. Water Supply and Cooling: High-pressure compressors generate more heat during the compression process, requiring efficient cooling mechanisms to maintain safe operating temperatures. Sufficient water supply and cooling capacity must be available to handle the increased heat load. Adequate flow rates, temperature control, and cooling methods, such as water jackets or external cooling systems, may be necessary to prevent overheating and ensure proper lubrication and cooling of the compressor components.
  3. Water Quality: The quality of the water used for lubrication becomes even more critical in high-pressure applications. Any impurities, contaminants, or minerals present in the water can cause increased wear, corrosion, or blockages, jeopardizing the compressor’s performance and reliability. Water treatment or filtration systems may be required to maintain the desired water quality and prevent damage to the compressor.
  4. Sealing and Leakage Control: As the pressure increases, it becomes more challenging to maintain effective sealing and prevent leakage in the compressor system. Proper sealing mechanisms, such as high-quality seals and gaskets, are essential to ensure minimal leakage and maintain the required pressure levels. Adequate monitoring and maintenance of the sealing components are necessary to prevent energy losses and ensure the compressor’s efficiency.

It’s worth noting that for extremely high-pressure applications, water-lubricated compressors may not be the most suitable choice. In such cases, alternative lubrication methods, such as oil or specialized lubricants, are often preferred to handle the extreme pressures and provide adequate lubrication and cooling.

When considering the use of water-lubricated compressors in high-pressure applications, it is crucial to consult with the compressor manufacturer or a qualified engineer to ensure that the chosen compressor model is specifically designed and rated for the desired pressure range. Proper installation, maintenance, and adherence to the manufacturer’s guidelines are essential to ensure the safe and efficient operation of the compressor in high-pressure conditions.

air compressor

How Are Water-Lubricated Air Compressors Used in Automotive Applications?

Water-lubricated air compressors find various applications in the automotive industry. Here’s a detailed explanation of how they are used in automotive applications:

Tire Inflation:

  • Service Stations: Water-lubricated air compressors are commonly used in automotive service stations for tire inflation. They provide a reliable source of compressed air for quickly and efficiently inflating tires to the recommended pressure. The water lubrication system in these compressors helps to reduce friction and wear on internal components, ensuring smooth operation and extended lifespan.
  • Tire Shops: Tire shops often utilize water-lubricated air compressors as part of their tire service equipment. These compressors can supply compressed air for tire inflation, tire mounting and demounting machines, and other pneumatic tools used in tire service and maintenance.

Painting and Finishing:

  • Spray Painting: Water-lubricated air compressors are also used in automotive painting and finishing processes. Compressed air is used to power spray guns that apply paint or coatings to vehicles during the painting process. The water lubrication system helps maintain the cleanliness of the compressor and prevents oil contamination, ensuring high-quality paint finishes.
  • Sanding and Polishing: Compressed air is often used for sanding and polishing automotive surfaces. Water-lubricated air compressors provide a reliable source of compressed air for pneumatic sanders, polishers, and other air-powered tools used in automotive surface preparation and refinishing.

Brake and Suspension Systems:

  • Brake Bleeding: Water-lubricated air compressors can be used during brake bleeding procedures in automotive repair and maintenance. Compressed air is used to purge air bubbles from the brake system, ensuring optimal brake performance and pedal feel. The water lubrication system helps maintain the purity of the compressed air, preventing contamination that could affect the brake system’s functionality.
  • Suspension Systems: Air suspension systems in vehicles often rely on compressed air for operation. Water-lubricated air compressors provide a continuous supply of clean and lubricated compressed air for inflating and maintaining the air springs or airbags used in vehicle suspensions.

Diagnostic and Testing Equipment:

  • Diagnostic Tools: Water-lubricated air compressors are utilized in automotive diagnostic and testing equipment. Compressed air is used to operate pneumatic diagnostic tools, such as vacuum testers, pressure gauges, and leak detectors, that help diagnose and troubleshoot various vehicle systems.
  • Testing and Calibration: Automotive testing and calibration equipment, such as dynamometers and emission testing devices, often require a source of compressed air. Water-lubricated air compressors supply the necessary compressed air for precise and accurate testing of vehicle performance, emissions, and other parameters.

Overall, water-lubricated air compressors play a significant role in various automotive applications, including tire inflation, painting and finishing, brake and suspension systems, and diagnostic and testing equipment. Their use helps ensure efficient and reliable operation, improved productivity, and high-quality results in automotive service, repair, and manufacturing processes.

air compressor

How Is Water Quality Crucial for the Performance of These Compressors?

Water quality plays a crucial role in the performance of water-lubricated air compressors. The quality of the water used for lubrication directly impacts the efficiency, reliability, and lifespan of these compressors. Here are the key reasons why water quality is essential for optimal compressor performance:

  1. Lubrication effectiveness: Water serves as the lubricant in water-lubricated air compressors. The water forms a protective film between moving parts, reducing friction and wear. However, if the water contains impurities or contaminants, it can compromise the lubricating properties. Impurities like minerals, sediments, or dissolved solids can hinder the formation of an effective lubricating film, leading to increased friction and potential damage to the compressor components.
  2. Corrosion prevention: Water with high mineral content, such as hard water, can promote corrosion within the compressor system. Minerals like calcium and magnesium can react with metal surfaces, leading to rust, scale formation, and degradation of internal components. Corrosion compromises the structural integrity of the compressor, reduces its efficiency, and may result in costly repairs or even premature failure.
  3. Preventing blockages: Poor water quality can result in the accumulation of sediments, debris, or contaminants within the compressor system. These deposits can block water passages, filters, or valves, impeding the flow of water and affecting the overall performance of the compressor. Restricted water flow may lead to inadequate cooling, reduced lubrication, and compromised efficiency.
  4. Preventing fouling and fouling-related issues: Fouling refers to the accumulation of organic or inorganic deposits on heat transfer surfaces, such as heat exchangers or radiators, within the compressor system. Poor water quality can contribute to fouling, reducing heat transfer efficiency and impairing the cooling capacity of the compressor. This can result in elevated operating temperatures, decreased performance, and potential damage to the compressor.
  5. System cleanliness: Clean water is crucial for maintaining a clean and sanitary compressor system, especially in industries like food and beverage or medical applications. Contaminated water can introduce harmful bacteria, microorganisms, or particles into the compressor, posing a risk to product quality, safety, or patient well-being.

To ensure optimal performance and longevity of water-lubricated air compressors, it is important to monitor and maintain the quality of the water used for lubrication. Regular water analysis, proper filtration, and appropriate water treatment measures should be employed to remove impurities, control mineral content, and maintain the desired water quality. By ensuring clean and high-quality water, the compressor can operate efficiently, minimize the risk of component damage, and contribute to a reliable and safe compressed air system.

China Best Sales Portable Silent Oil Free Screw Air Compressor for Using Painting, Laboratory, Food Produce with Great qualityChina Best Sales Portable Silent Oil Free Screw Air Compressor for Using Painting, Laboratory, Food Produce with Great quality
editor by CX 2024-02-11

China Standard 18.5kw Oil Free Silent Electric VSD Direct Driven 3 Phase Air Compressor for Food Processing supplier

Product Description

18.5kw Oil Free Silent Electric Vsd Direct Driven 3 Phase Air Compressor for Food Processing 

Technical Parameters Of PM Variable speed screw air compressor:
 

Model Work pressure Capacity Power Noise Inlet and outlet diameters of cooling water Water inlet & outlet
T/H		 Lubricating water
L		 Dimensions Weight Air outlet diameter

 
WZS-06PMA 0.8 0.3~0.78 5.5 57 3/4″ 1.5 10 800x800x1100 460 3/4″
1.0 0.2~0.65
WZS-08PMA 0.8 0.35~1.17 7.5 57 3/4″ 2 10 800x800x1100 510 3/4″
1.0 0.3~1.05
1.25 0.24~0.81
WZS-11PMA 0.8 0.54~1.72 11 60 1″ 2.5 26 1200x800x1300 620 3/4″
1.0 0.45~1.42
1.25 0.35~1.10
WZS-15PMA 0.8 0.75~2.43 15 60 1″ 3.5 26 1200x800x1300 670 1″
1.0 0.65~2.17
1.25 0.6~1.85
WZS-18PMA 0.8 0.9~3.13 18.5 63 1″ 4 30 1400x1000x1520 730 1″
1.0 0.9~2.82
1.25 0.6~2.05
WZS-22PMA 0.8 1.1~3.62 22 63 1 1/2″ 5 30 1400x1000x1520 780 1″
1.0 0.97~3.21
1.25 0.85~2.78
WZS-30PMA 0.8 1.55~5.12 30 66 1 1/2″ 7 40 1500x1150x1500 1150 1 1/2″
1.0 1.255~4.43
1.25 1.1~3.63
WZS-37PMA 0.8 1.91~6.30 37 66 1 1/2″ 9 40 1500x1150x1500 1200 1 1/2″
1.0 1.60~5.33
1.25 1.42~4.77
WZS-45PMA 0.8 2.50~8.30 45 68 1 1/2″ 10 90 1800x1300x1750 1490 2″
1.0 1.91~6.30
1.25 1.70~5.56
WZS-55PMA 0.8 3.0~9.76 55 69 1 1/2″ 12 100 1800x1300x1750 1570 2″
1.0 2.60~8.55
1.25 2.30~7.67
WZS-75PMA 0.8 3.95~13.00 75 72 1 1/2″ 18 100 1800x1300x1750 1750 2″
1.0 3.40~11.50
1.25 3.0~9.70
WZS-90PMA 0.8 5.0~16.60 90 73 1 1/2″ 20 120 2200x1550x1800 2450 2 1/2″
1.0 4.30~14.66
1.25 3.72~12.60
WZS-110PMA 0.8 6.0~19.97 110 77 1 1/2″ 24 120 2200x1550x1800 2580 2 1/2″
1.0 5.0~16.66
1.25 4.65~15.56
WZS-132PMA 0.8 6.75~22.52 132 77 2″ 30 120 2200x1550x1800 2700 2 1/2″
1.0 6.0~19.97
1.25 5.07~16.90
WZS-160PMA 0.8 8.5~28.11 160 79 3″ 35 160 3000x1800x2100 3900 3″
1.0 706~25.45
1.25 6.7~22.52
WZS-185PMA 0.8 10~33.97 185 79 3″ 38 160 3000x1800x2100 4050 3″
1.0 8.72~29.00
1.25 7075~25.210
WZS-200PMA 0.8 11.2~36.75 200 80 4″ 42 200 3100x1850x2100 4200 4″
1.0 9.68~32.78
1.25 9.2~29.24
WZS-220PMA 0.8 12.2~39.67 220 80 4″ 47 200 3100x1850x2100 4400 4″
1.0 11.2~36.75
1.25 9.0~29.63
WZS-250PMA 0.8 13.5~44.78 250 80 4″ 53 200 3100x1850x2100 4800 4″
1.0 12.3~39.67
1.25 10.2~33.97

 

Before quotation:
1.Before quoting, what should users offer?
1).Discharge pressure (Bar, Mpa or Psi)
2).Air discharge/Air flow/Air capacity (m3/min or CFM)
3).Power supply (220/380V, 50/60Hz, 3Phase)

2.If I don’t know the pressure and air flow, what should I do?
1).Take the picture of nameplate, we will advise the suitable air compressor to you.
2).Tell us what industry you are, we can advise the suitable 1 (so as to air tank / air dryer / air filters).
 

High Efficiency PM Motor and Energy Saving
*With the high-performance permanent magnet material, PM motor won’t lose magnetism even under 120°c and can run for more than 15 years.
*No motor bearing: permanent magnet rotors is installed directly on the stretch out shaft of Male rotor. This structure doesn’t have the bearing and eliminates the motor bearing fault. 
*Comparing to normal variable speed motor, the permanent magnet synchronous motor performs with even better energy efficiency. Especially in the low-speed condition, it can still maintain a high motor efficiency.

SHIPPING
Delivery: time 5-25 working days after payment receipt confirmed(based on actual quantity)
packing:standard export packing. or customized packing as your
Professional: goods shipping forwarder.

FAQ
Q: OEM/ODM, or customers logo printed is available?
Yes, OEM/ODM, customers logo is welcomed.

Q:  Delivery date?
Usually 5-25 workdays after receiving deposit, specific delivery date based on order quantity

Q: what’s your payment terms?
Regularly doing 30% deposit and 70% balance by T/T, Western Union, Paypal, other payment terms also can be discussed based on our cooperation.

Q: How to control your quality?
We have professional QC team, control the quality during the mass production and inspect completely goods before shipping.

Q:  If we don’t have shipping forwarder in China, would you do this for us?
We can offer you best shipping line to ensure you can get the goods timely at best price.

Q: come to China before, can you be my guide in China?
We are happy to provide you orservice, such as booking ticket, pick up at the airport, booking hotel, accompany visiting market or factory

 

After-sales Service: Video Technical Support
Warranty: 1 Year
Lubrication Style: Oil-free
Cooling System: Air Cooling
Power Source: AC Power
Cylinder Position: Vertical
Customization:
Available

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air compressor

Can Water-Lubricated Air Compressors Be Used in Cold Climates?

Water-lubricated air compressors can be used in cold climates, but there are certain considerations and precautions to keep in mind. Here’s a detailed explanation of using water-lubricated air compressors in cold climates:

Freezing of Water:

  • Potential for Freezing: In cold climates, the water used for lubrication in water-lubricated compressors can freeze, which can cause operational issues and damage to the equipment. Freezing can occur in the water supply lines, lubrication system, or water jackets if the temperature drops below the freezing point of water.
  • Water Temperature: It is important to ensure that the water temperature remains above freezing throughout the compressor system. This can be achieved by using insulation, heat tracing, or heaters to maintain adequate water temperature. Monitoring the water temperature and implementing appropriate heating measures are crucial to prevent freezing-related problems.

Protection and Insulation:

  • Protecting External Components: External components of water-lubricated compressors, such as valves, fittings, and pipes, may be exposed to cold temperatures. Insulating these components can help prevent freezing and ensure their proper functioning. Insulation materials, such as foam wraps or heat tapes, can be used to provide thermal protection.
  • Water Supply Lines: Water supply lines that feed the compressor should be properly insulated and protected from freezing temperatures. Insulation can help maintain the water temperature and prevent freezing within the supply lines. Additionally, measures such as burying the supply lines below the frost line or using heat tracing cables can offer further protection against freezing.

Alternative Lubrication Methods:

  • Oil-Lubricated Compressors: In extremely cold climates, where freezing is a significant concern, using oil-lubricated compressors instead of water-lubricated ones may be a more practical option. Oil-based lubrication systems are less prone to freezing and can provide reliable operation in colder temperatures. However, it is important to consider the specific requirements and limitations of oil-lubricated compressors for the intended application.

Manufacturer Recommendations:

  • Consulting the Manufacturer: It is crucial to consult the manufacturer’s guidelines and recommendations regarding the use of water-lubricated compressors in cold climates. Manufacturers may provide specific instructions, modifications, or alternative solutions to ensure the safe and efficient operation of their equipment under cold weather conditions.

By implementing proper insulation, heating measures, and following the manufacturer’s guidance, water-lubricated air compressors can be used effectively in cold climates. It is important to assess the specific requirements of the application and consider the potential challenges associated with freezing temperatures to ensure the reliable and safe operation of the water-lubricated compressor system.

air compressor

How Does Water-Lubrication Affect the Lifespan of Air Compressor Components?

Water-lubrication can have both positive and negative effects on the lifespan of air compressor components. Here’s a detailed explanation of how water-lubrication can impact the lifespan of air compressor components:

Positive Effects:

  • Lubrication: Water-lubrication provides effective lubrication to the moving parts of the air compressor, reducing friction and wear. Proper lubrication helps minimize the stress on components such as pistons, cylinders, and bearings, which can contribute to extended component lifespan.
  • Cooling: Water-lubricated systems offer efficient cooling properties. The circulation of water through water jackets or cooling channels helps dissipate heat generated during compression. Effective cooling can prevent excessive temperature rise, reducing the risk of thermal damage and prolonging the lifespan of compressor components.
  • Contaminant Control: Water-lubrication can aid in controlling contaminants within the compressor system. Water acts as a medium to trap and remove particulate matter or debris generated during compressor operation. This helps protect components from potential damage and contributes to their longevity.

Negative Effects:

  • Corrosion: Water-lubrication introduces moisture into the compressor system, which can increase the risk of corrosion. Corrosion can degrade the integrity of components, leading to reduced lifespan and potential failures. Proper corrosion prevention measures, such as using corrosion-resistant materials or implementing water treatment processes, are essential to mitigate this negative effect.
  • Contamination: Although water-lubrication can help control contaminants, it can also introduce impurities and contaminants if the water supply or treatment is not adequately managed. Contaminants such as sediment, minerals, or microbial growth can negatively impact component lifespan by causing blockages, wear, or chemical degradation. Regular maintenance and proper filtration systems are crucial to minimize contamination-related issues.
  • System Complexity: Water-lubricated systems can be more complex than oil-lubricated systems, requiring additional components such as water pumps, filters, and separators. The complexity of the system can introduce more points of failure or maintenance requirements, which, if not addressed properly, can affect the overall lifespan of the compressor components.

Proper maintenance, monitoring, and adherence to manufacturer guidelines are essential to maximize the positive effects and mitigate the negative effects of water-lubrication on air compressor components. Regular inspection, cleaning, lubrication, and water treatment can help ensure optimal operation and prolong the lifespan of the compressor components.

air compressor

How Do Water-Lubricated Air Compressors Compare to Oil-Lubricated Ones?

Water-lubricated air compressors and oil-lubricated air compressors have distinct differences in terms of lubrication method, performance, maintenance, and environmental impact. Here is a detailed comparison between the two:

Water-Lubricated Air Compressors Oil-Lubricated Air Compressors
Lubrication Method Water is used as the lubricant in water-lubricated compressors. It provides lubrication and heat dissipation. Oil is used as the lubricant in oil-lubricated compressors. It provides lubrication, sealing, and heat dissipation.
Performance Water lubrication offers efficient heat dissipation and cooling properties. It can effectively remove heat generated during compressor operation, preventing overheating and prolonging the compressor’s lifespan. Water lubrication can be suitable for applications where high heat generation is a concern. Oil lubrication provides excellent lubrication properties, ensuring smooth operation and reduced friction. It offers good sealing capabilities, preventing air leakage. Oil-lubricated compressors are often preferred for heavy-duty applications that require high pressure and continuous operation.
Maintenance Water lubrication generally requires less maintenance compared to oil lubrication. Water does not leave sticky residues or deposits, simplifying the cleaning process and reducing the frequency of lubricant changes. However, water lubrication may require additional measures to prevent corrosion and ensure proper water quality. Oil lubrication typically requires more maintenance. Regular oil changes, filter replacements, and monitoring of oil levels are necessary. Contaminants, such as dirt or moisture, can adversely affect oil lubrication and require more frequent maintenance tasks.
Environmental Impact Water lubrication is more environmentally friendly compared to oil lubrication. Water is non-toxic, biodegradable, and does not contribute to air or water pollution. It has a lower environmental impact and reduces the risk of contamination in case of leaks or spills. Oil lubrication can have environmental implications. Oil leaks or spills can contaminate the environment, including air, soil, and water sources. Used oil disposal requires proper handling to prevent pollution. Oil-lubricated compressors also release volatile organic compounds (VOCs) into the air, contributing to air pollution.

In summary, water-lubricated air compressors excel in efficient heat dissipation, require less maintenance, and have a lower environmental impact. On the other hand, oil-lubricated air compressors offer excellent lubrication properties and are suitable for heavy-duty applications. The choice between water and oil lubrication depends on specific requirements, operating conditions, and environmental considerations.

China Standard 18.5kw Oil Free Silent Electric VSD Direct Driven 3 Phase Air Compressor for Food Processing supplier China Standard 18.5kw Oil Free Silent Electric VSD Direct Driven 3 Phase Air Compressor for Food Processing supplier
editor by CX 2023-12-07