4 cylinder semi-hermetic refrigeration compressor, variously applied for cold rooms, refrigeration projects etc. Power supply could be 380~420V/3pH/50Hz, 440~480V/3pH/60Hz. Refrigerant could be r22, r134A, r404A, r507A or r407c. The design of the compressors with the requirements of international environmental protection, for the working mediums of HCFC-22, R404A, R407A, R407b and R407c.
