Compressor and refrigerating unit.

摘要

A compressor for use with an HFC refrigerant, comprising: a sealed casing; a motor housed within the sealed casing; compression machinery also housed within the sealed casing, the compression machinery including at least first and second sliding members, one of the sliding members being made of a material having a surface hardness of at least HV 1000 after the sliding surface has been nitride treated, and the other sliding material being made of cast iron containing Mo - Ni - Cr; and an at least tetravalent ester oil for the refrigerating machine oil which lubricates the sliding members of the compressor.