MODEL "D" PRESSURE REDUCING REGULATOR,TFE-SILICATE GASKETS 1" SIZE; BRONZE BODY &
SPRING CHAMBER (OPT-5): CRYOGENIC CONSTRUCTION; OPT-55: CLEANED FOR OXYGEN SERVICE PER
SPEC #S-1134; B5 TRIM: BRASS WITH VIRGIN TEFLON (V-TFE) SEAT,PHOS.BRONZE DIAPHRAGM