Low-pressure screw compressors are a type of screw compressor, primarily operating within lower pressure ranges, commonly used for refrigeration, air conditioning, and certain industrial gas compression applications.

Low-pressure screw compressors are a type of volumetric compressor, which operates by using two intermeshed male and female rotors (screws) to compress air through the entire process of intake, compression, and exhaust. Specifically, as the rotors rotate, the intake port opens and air enters the spiral groove of the intake-end rotor; as the rotation continues, the intake port closes, the volume between the rotors gradually decreases, and the gas is compressed; finally, when the compression process ends, the exhaust port opens, and the high-pressure gas is discharged from the compressor.

Application Fields:

Refrigeration & Air Conditioning: Low-pressure screw compressors are widely used in refrigeration and air conditioning systems, serving to compress refrigerants, provide cooling capacity, and achieve refrigeration effects.

Industrial Gas Compression: In industries such as petrochemical and coal chemical, low-pressure screw compressors are commonly used for gas pressurization, conveyance, and production.

Medical Equipment: In the medical industry, low-pressure screw compressors are used to supply compressed air for equipment such as oxygen generators, engraving machines, dryers, and gas supply systems.

Food Processing: In the food processing industry, low-pressure screw compressors are primarily used in the food freezing sector, serving the purpose of gas circulation and temperature reduction.

Low-pressure screw compressors are widely used in refrigeration, air conditioning, and industrial gas compression due to their high efficiency, energy-saving, stable operation, compact structure, and strong adaptability. When selecting and using them, comprehensive consideration should be given to specific needs and operating conditions to ensure their normal operation.