Russia Stander Z41H-16 Cast Steel Gate Valve 1) Sizes: DN50-DN200 2) Pressure: 1.6MPa 3) Valve Body: WCB 4) Disc: WCB 5) Bonnet: WCB 6) Seal: Stainless Steel 7) Stem: Carbon Steel or Stainless Steel 8) Yoke nut: Brass 9) Hand wheel: Malleable Cast Iron, Ductile Iron, or WCB 10) Standards: Russia Stander 11) Type: Rising Stem Gate Valve 12) Connection type: Flange end 13) Control method: Manual 14) Testing Pressure: Strength (water), 2.4 MPa; Enclose (water), 1.8 MPa 15) Suitable medium: Water, Vapor, Oil