MODEL "DA6" DOME LOADED BACK PRESSURE REGULATOR (SERIES VI)-PLBPV BODY SIZE 3/4",STANDARD DIAPHRAGM CONSTRUCTION; CF3M BODY,316L SST LOADING CHAMBER; 316L SST TRIM, V-TFE SEAT, FK DIAPHRAGM FK STATIC SEAL, SST/TFE U-CUP DYNAMIC SEAL; PN40 RAISED FACE DIN FLANGES; EXTERNAL SENSING, REVERSE - FLOW TO OPEN DIRECTION; OPT-56: SPECIAL CLEANING PER SPEC #S-1542;