DP9-AXX7-83X51729E

MODEL "DAP" PILOT OPER. PRESSURE REDUCING REGULATOR(SERIES IV-P)PORV BODY SIZE 2",LARGE PISTON CONSTRUCTION; CF3M SST BODY & 316L SST COVER DOME; SPECIAL TRIM, SEAT OR SEAL MATERIAL; 600 LB RAISED FACE FLANGES; LOWER SPRING 2-5 PSIG RANGE; PER SPQ NUMBER 51729 17-4PH SST PLUG/PISTON; 316 SST CAGE; C-TFE SEAT; FKM O-RING STATIC SEALS; TFE/U-CUP (SST ENERGIZER) DYNAMIC SEAL; A66-51729-00 (NEW P.R.A. PISTON SEAL DESIGN. VALVE TO HAVE INTEGRAL CAST FLANGES, NOT WELDED ON TYPE). VALVE TO BE SUPPLIED AS INTERNAL SENSING, BUT WITH EXTERNAL SENSING PORT PLUGGED FOR OPTIONAL LATER USE. VALVE TO HAVE 12-3/8" FACE-T0- FACE DIMENSION. TAP DOWNSTREAM BOSS OF VALVE BODY ON RIGHT HAND SIDE (BOSS #4) (WHEN FACING OUTLET FLANGE) FOR 1/4" NPT PER ATTACHED DRAWING;