MODEL "DA4" SALES KIT FOR PRODUCT CODE: D48-5P27-15100000E; PRESSURE LOADED REDUCING REGULATOR (SERIES IV)-PLPRV BODY SIZE 1-1/2",STANDARD DIAPHRAGM CONSTRUCTION; CARBON STEEL BODY & CARBON STEEL LOADING CHAMBER; 17-4PH SST TRIM, 316L SST CAGE, PA SEAT, BC DIAPHRAGM NBR STATIC SEAL, SST/TFE U-CUP DYNAMIC SEAL;