2D6-3B4K-X51438AB

MODEL "D" PRESSURE REDUCING REGULATOR,TFE GASKETS (OPT-45); 1" SIZE; SALES KIT A; BRONZE BODY & SPRING CHAMBER; B4 TRIM: BRASS WITH TFE SEAT,FLUOROCARBON ELASTOMER DIAPHRAGM; PER CASHCO DRAWING NUMBER 51438 - W/ 1/8" DIA VENT IN TOP OF SPRING CHAMBER, BUT W/O SIDE VENT; W/ FDA FOOD GRADE FKM DIAPHRAGM; CLEANED FOR O2 SERVICE PER #S-1134;