D8P-9XX7-5XX52951E

MODEL "DA8" DIFFERENTIAL BACK PRESSURE REGULATOR (SERIES VIII)-PDBPV BODY SIZE 2",OPT-81: FULL DIAPHRAGM SUPPORT CONSTRUCTION; CF3M BODY,CARBON STEEL SPRING CHAMBER,1/8" PETCOCK VENT; SPECIAL TRIM MATERIALS; 300 LB RAISED FACE FLANGES; SPECIAL SPRING RANGE; PER SPQ NUMBER 52951 17-4PH SST PLUG/CAGE/PISTON GUIDE BEARING,BUNA-N(NBR) DIAPHRAGM, GF-TFE SEAT & CAGE GASKET; BUNA-N(NBR) STATIC SEALS,TFE CAP SEAL W/BUNA-N ENERGIZER DYNAMIC SEAL; 60-225 PSID BIAS SPRING, INTERNAL SENSING; REVERSE FLOW DIRECTION;