D17-1P57-1S100000E

Model "DA1" Pressure Reducing Regulator (Series I); Body Size 1-1/4",Standard Diaphragm Construction; Ductile Iron Body & Spring Chamber; 17-4ph SST Trim, 316l SST Cage, Pa Seat, Nbr Diaphragm,;Nbr Static Seal, O-Ring Dynamic Seal; Npt End Connection; 1-10 PSIG Range Spring; Internal Sensing, Standard - Flow To Open Direction