MODEL "DA5" SALES KIT FOR PRODUCT CODE: D58-1PH7-1E500000E; BACK PRESSURE REGULATOR (SERIES V)-BPV BODY SIZE 1-1/2",STANDARD DIAPHRAGM CONSTRUCTION; DUCTILE IRON BODY & SPRING CHAMBER; 17-4PH SST TRIM, 316L SST CAGE, PA SEAT, NBR DIAPHRAGM NBR STATIC SEAL, TFE CAP SEAL W/NBR ENERGIZER DYNAMIC SEA