Z73X chain wheel slurry knife gate Valve is made in cast iron, professional knife gate valve manufacturer chain wheel slurry knife gate ValveNominal pressure:0.6MPa,1.0MPa,1.6MPaNominal diameter:DN50~600mmSuitable temperature:-15~100oCConnecting flange:GB/T9113,JB/T79Main materials:Cast IronSeal type:soft sealLeakage:grade A (zero leakage)Accessories:Flange