At present, screw chiller has been used more and more widely in the field of refrigeration and air conditioning in China, and its typical cooling capacity range is 700~ 1000KW. Screw chiller is composed of screw refrigeration compressor, condenser, evaporator, thermal expansion valve, oil separator, automatic control components and instruments, etc.
According to the cooling method, it can be divided into water-cooled chillers and air-cooled chillers. According to the use, it can be divided into heat pump type unit and single cooling type unit; According to the number of compressors assembled, it can be divided into single head and multi-head chillers.
