... steel ball valve (ball valve,flanged ball valve) 1.Desin:API 600,ANSI B16.5 2.Material:WCB,CF8,CF3,A105,LCB cast steel ball valve (ball valve,flanged ball valve)Product diameter ... : WCB, WC6, WC9, LCB, CF8M, CF3M,CF3,CF8 cast steel ball valve (ball valve,flanged ball valve)