Water Vlave Manufacture 1.Design: API6D, API600,Etc. 1.Pressure:150LB- ... /2"-24" 3.Material:WCB,CF8M,CF3M,Etc Water Vlave Manufacture Cast Steel Electric Gate Valve,Bolted Bonnet,Flanged Ends,Rising Stem ... ), CF3(304L), CF3M(316L), etc.Driving styles: manual/bevel gear/ electric/pneumatic/hydraulic,etc. Test PressureTest ItemShell TestSeal TestBack Seal TestAir ...