RP-1H Steam Pressure Reducing Valve, WCB, PN 1.6-4.0 MPa
Parts & Materials: Body, Bonnet, Bottom, Cap: WCB. Seat, Plug: 410 S.S. Sleeve, Piston: C95800. Diaphragm: 304 S.S. Piston Ring: Iron-nickel Alloy/PPL. Regulative Spring: UNS G92600. Spring: ASTM 6150. Pilot Valve Spring: ASTM 6150. Pilot Seat Pilot Stem: 410 S.S.