SBC-5S1K-8X50641AA

MODEL"8311HP"DBL SEAT BACK PRESS RELIEF REGULATOR,NON-ASBESTOS GASKETS; SALES KIT A; 4" SIZE; WCB BODY & SPRING CHAMBER; S1 TRIM: 316SST METAL SEAT,302SST DIAPHRAGM; 30-100 PSIG RANGE SPRING; PER CASHCO DRAWING NUMBER 50641 - W/ SPG CHBR SEALED FOR 220 PSIG HYDRO (1 MIN)