D343H-6/10/16/25 Cast Steel Butterfly Valve 1) DN50-DN1600 2) Pressure: 0.6MPa, 1.0MPa, 1.6MPa, 2.5MPa 3) Valve Body: WCB 4) Disc: WCB 5) Yoke: WCB 6) Retaining Ring: WCB 6) Seal Ring: Stainless Steel 7) Stem: 2Cr13 9) Hand wheel: WCB 10) Standards: GB 12) Connection type: Flange end 13) Control method: Manual 17) Suitable medium: Water, Vapor, Oil 18) Usage: The valve has been widely used in the fields of Petrochemical,