MODEL "1000HP" PRESSURE REDUCING REGULATOR,TFE/SIL. GASKETS 1" SIZE,LIQUID JET; CF8M BODY & SPRING CHAMBER (OPT-36), CRYOGENIC CONSTRUCTION OPT-55: CLEANED FOR OXYGEN SERVICE PER SPEC #S-1134; S36 TRIM: 316SST CYLINDER & PLUG WITH TFE SEAT,302SST DIAPHRAGM;