Tender For supply of hermetic compressor, 3. 75 tons, r22, 3 phase 415 volts ac. model: cr53kqm of emerson, acceptable make dn , hermetically sealed reciprocating refrigerationcompressor suitable for r407 refrigerant model no cr , refrigerant compressor model no cr-72 kqm-tfd-233dm, make of emerson or its equivalent make acceptab