This standard specifies the energy efficiency grades, minimum allowable values of energy efficiency, target minimum allowable values of energy efficiency, evaluating values of energy conservation, test methods and inspection rules for displacement air compressors.
This standard applies to the direct drive portable reciprocating piston air compressors, reciprocating piston minitype air compressors, oil-free reciprocating piston air compressors, stationary reciprocating piston air compressor for general use, oil injected screw air compressor for general use, oil injected single screw air compressor for general use and oil flooded sliding vane air compressor for general use.