D19-DTLK-QX53980AD

MODEL "DA1" PRESSURE REDUCING REGULATOR (SERIES I) BODY SIZE DN50,STANDARD DIAPHRAGM CONSTRUCTION; SALES KIT A; BRONZE BODY,SST SPRING CHAMBER; 17-4PH SST PLUG/PISTON,MONEL CAGE,FLUOROSILICONE(FK) DIAPHRAGM,VIRGIN TFE SEAT; FLUOROSILICONE(FK) STATIC SEALS,TFE U-CUP W/SST ENERGIZER DYNAMIC SEAL; PER CASHCO DRAWING NUMBER 53980 - 5.5-15.5 BARG RANGE SPRING;INTERNAL SENSING, STD FLOW DIRECTION; HIGH PRESSURE SPRING CHAMBER (OPT-80); CLEANED & PACKAGED FOR OXYGEN SERVICE PER CASHCO SPEC #S-1134