China Best Sales Medium High Back Pressure Compressor R404A 20 HP Mini Hermetic Qr3-124p Piston Air Refrigerant Compressor with Best Sales

Product Description

Model Refrigerat Horsepower
Power source Nominal Capacity W/W
The Evaporating Temperature
-15ºC 11540
QR3-44 2 44 220V/3PH/60Hz
5977 2.9 1850 2580 4370 5977 8110
QR3-52 2.5 52 7146 2.9 2260 3240 54 3 2970 3960 6420 86~8 11540
QR3-74 3.5 74.2 9984 2.9 2805 4296 7276 9814 13056
QR3-90 4 90.2 113 3 2970 3960 6420 86~8 11540
QR3-74P 3.5 74.2 9984 2.9 2805 4296 7276 9814 13056
QR3-90P 4 90.2 11300 2.9 3388 4425 7956 11300 15719
QR3-112P 5 112.5 14780 2.8 4360 5890 10450 14780 25710
QR3-124P 6 124.4 16650 2.8 5320 7080 11970 16650 22760
QR3-134P 7 134.8 18230 2.8 5780 7710 13120 18230 24806
QR3-44P R22 2 44 220V/3PH/60Hz
5770 2.9 1960 2480 4300 5770 7830
QR3-52P 2.5 52 7050 2.9 2370 3180 5300 7050 9200
QR3-58P 3 58.2 7900 3 2720 3680 5950 7900 10300
QR3-62P 3 62.7 8500 3 2890 3830 6300 8500 11450
QR3-74P 3.5 74.2 9860 2.9 3000 4300 7330 9860 12900
QR3-90P 4 90.2 11250 2.9 3100 4370 7840 11250 16000
QR3-112P 5 112.5 14900 2.8 4470 6130 10600 14900 2 0571
QR3-124P 6 124.4 16640 2.8 5160 6970 11860 16640 23360
QR3-134P 7 134.8 17800 2.75 5630 7500 12630 17800 25200
Model Refrigerat Horsepower
Power source Nominal Capacity W/W
The Evaporating Temperature
-10ºC 0ºC
QL52 R404a 2.5 52 220-240V/1PH/50Hz
2180 1.5 730 1310 2189 2660 4410 6100
QL62 3 62.7 2760 1.5 1040 1728 2765 2930 5421 7900
QL3-52 2.5 52 220V/3PH/60Hz
2180 1.5 730 1310 2180 2660 4410 6100
QL3-74 3.5 74.2 3135 1.5 1380 2016 3135 3796 6220 8644
QL3-112 5 112.5 4350 1.5 1743 2704 4350 5335 9038 12740
QL3-134 7 134.8 5520 1.5 2378 3540 5520 6688 11060 15430

After-sales Service: Standard
Warranty: 1year
Lubrication Style: Lubricated
US$ 300/Piece
1 Piece(Min.Order)


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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

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

Are there air compressors specifically designed for high-pressure applications?

Yes, there are air compressors specifically designed for high-pressure applications. These compressors are engineered to generate and deliver compressed air at significantly higher pressures than standard air compressors. Here are some key points about high-pressure air compressors:

1. Pressure Range: High-pressure air compressors are capable of producing compressed air at pressures typically ranging from 1000 to 5000 psi (pounds per square inch) or even higher. This is considerably higher than the typical range of 100 to 175 psi for standard air compressors.

2. Construction: High-pressure aircompressors feature robust construction and specialized components to withstand the higher pressures involved. They are designed with reinforced cylinders, pistons, valves, and seals that can handle the increased stress and prevent leaks or failures under high-pressure conditions.

3. Power: Generating high-pressure compressed air requires more power than standard compressors. High-pressure air compressors often have larger motors or engines to provide the necessary power to achieve the desired pressure levels.

4. Applications: High-pressure air compressors are utilized in various industries and applications where compressed air at elevated pressures is required. Some common applications include:

  • Industrial manufacturing processes that involve high-pressure air for operations such as air tools, pneumatic machinery, and equipment.
  • Gas and oil exploration and production, where high-pressure air is used for well drilling, well stimulation, and enhanced oil recovery techniques.
  • Scuba diving and underwater operations, where high-pressure air is used for breathing apparatus and underwater tools.
  • Aerospace and aviation industries, where high-pressure air is used for aircraft systems, testing, and pressurization.
  • Fire services and firefighting, where high-pressure air compressors are used to fill breathing air tanks for firefighters.

5. Safety Considerations: Working with high-pressure air requires adherence to strict safety protocols. Proper training, equipment, and maintenance are crucial to ensure the safe operation of high-pressure air compressors. It is important to follow manufacturer guidelines and industry standards for high-pressure applications.

When selecting a high-pressure air compressor, consider factors such as the desired pressure range, required flow rate, power source availability, and the specific application requirements. Consult with experts or manufacturers specializing in high-pressure compressed air systems to identify the most suitable compressor for your needs.

High-pressure air compressors offer the capability to meet the demands of specialized applications that require compressed air at elevated pressures. Their robust design and ability to deliver high-pressure air make them essential tools in various industries and sectors.

China Best Sales Medium High Back Pressure Compressor R404A 20 HP Mini Hermetic Qr3-124p Piston Air Refrigerant Compressor   with Best SalesChina Best Sales Medium High Back Pressure Compressor R404A 20 HP Mini Hermetic Qr3-124p Piston Air Refrigerant Compressor   with Best Sales
editor by CX 2023-11-06