MODEL BQ CRYOGENIC PRESSURE RELIEF REGULATOR,ASBESTOS GASKETS; 1/2" INLETS,1/2" OUTLET; SALES KIT B; CF8M BODY & SPRING CHAMBER (OPT-36),SPECIAL CLEAN PER CASHCO SPEC #S-1134 (OPT-55); S36 TRIM: 316SST WITH TFE SEAT,302SST DIAPHRAGM; NPT SCREWED; 65-150 PSIG SST RANGE SPRING; PER CASHCO DRAWING NUMBER 32948 - RATING 300 PSIG @-425 TO+1O0 DEG F;CONSTRUCTED PER LINDE PN 2065142;