B4F-SLW7-T0300040D

MODEL "SA4" DO-ALL PRESSURE LOADED REDUCING REGULATOR (SERIES IV) BODY SIZE 2", STANDARD DIAPHRAGM CONSTRUCTION; BAR STOCK 316L SST BODY & TOPWORKS; 316L SST PLUG & CAGE, 17-7PH SST DIAPHRAGM; V-TFE SEAT, TFE U-CUP W/SST ENERGIZER STATIC SEALS, TFE U-CUP W/SST ENERGIZER DYNAMIC SEAL; TUBE END BW CONNECTIONS; NO RANGE SPRING, PRESSURE LOADED; INTERNAL SENSING, 2-7 PSIG LOWER SPRING; OPT-77: HIGH PURITY ELECTRO POLISH TO 10Ra AVG. FINISH, CLEAN TO SPEC #S-1662; He LEAK TEST PER SPEC #S-1661;