7B9-5S1K-BX55520AD

MODEL "8310HP" PRESSURE REDUCING REGULATOR, GRAPHITE/NBR GASKETS 2" SIZE; SALES KIT A; WCB BODY & SPRING CHAMBER; S1 TRIM: 316SST METAL SEAT,302SST DIAPHRAGM; 130-200 PSIG RANGE SPRING (INCLUDES OPT-80: HIGH OUTLET PRESSURE CONSTRUCTION); PER SPQ NUMBER 55520 PER SPQ: KALREZ O-RING FOR 600F; OPT-80: HIGH PRESSURE SPRING CHAMBER CONSTRUCTION;