China DN200 Cast Iron Ductile Iron Flanged Non Rising Stem Soft Seal Gate Valve Pn16 BS 5163 Ci Di Gate Valve Stainless Steel Ball Valve Butterfly Valve Check Valve, Find details about China Gate Valve, Wcb Gate Valve from DN200 Cast Iron Ductile Iron Flanged Non Rising Stem Soft Seal Gate Valve Pn16 BS 5163 Ci Di Gate Valve Stainless Steel Ball Valve Butterfly Valve Check Valve