Russia Stander Z41H-16 Cast Iron Gate Valve 1) Sizes: DN50, DN80, DN100 2) Pressure: 1.6MPa 3) Valve Body: Grey Iron or Ductile Iron 4) Disc: Grey Iron or Ductile Iron 5) Bonnet: Grey Iron or Ductile Iron 6) Seal: Brass 7) Stem: Carbon Steel 8) Yoke nut: Grey Iron or Ductile Iron 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),1.5 MPa; Enclose (water), 1.1 MPa 15) Suitable medium: Water, Vapor