For sale is a It was install on Curtis rotary screw compressor Model R/S 50 SN 11F99002 (50 HP: 125 PSI; 230 V; Cap 212 ) The compressor was working at time of removal. We had to take it apart to get it out of a small passage door in the building (talk about retarded buildings built before forklifts). After that we always meant to reassemble it, but we never did, so here are the parts.