MODEL "DA1" PRESSURE REDUCING REGULATOR (SERIES I) BODY SIZE 3/4",STANDARD DIAPHRAGM CONSTRUCTION; BRONZE BODY & SPRING CHAMBER; 17-4PH SST TRIM, 316L SST CAGE, PA SEAT, NBR DIAPHRAGM, NBR STATIC SEAL, SST/TFE U-CUP DYNAMIC SEAL; NPT END CONNECTION; 30-150 PSIG RANGE SPRING; INTERNAL SENSING, STANDARD - FLOW TO OPEN DIRECTION;