1C4-X36K-DX33638BA

MODEL "BQ" BACK PRESS RELIEF REGULATOR, TFE GASKETS; 1/2" INLETS,1/2" OUTLET; SALES KIT B; SPECIAL BODY & SPRING CHAMBER MATERIAL; S36 TRIM: 316SST WITH TFE SEAT,302SST DIAPHRAGM; 65-150 PSIG SST RANGE SPRING; PER SPQ/MA DRAWING NUMBER 33638 - SST CRYOGENIC CONSTRUCTION; CLEANED PER CASHCO SPEC #S-1542; RATING 400 PSIG @-425 TO+150 DEG F; CONSTRUCTED PER GARDENER CRYOGENICS DRWING #14967A, REV. ORIGINAL;