MODEL "HP" PRESSURE REDUCING REGULATOR,GRAPHITE/NBR GASKETS; 1" SIZE; SALES KIT A; CF8M BODY & SPRING CHAMBER; SPECIAL TRIM MATERIAL; NPT SCREWED; 260-425 PSIG RANGE SPRING; PER CASHCO DRAWING NUMBER 53975 - 316 SST TRIM WITH TFE SEAT, 302 SST DIAPHRAGM; HI-PRESS SPRING CHAMBER CONSTRUCTION(OPT-80);