API Casting Gate Valve 1.Size:DN25-1000mm 2.Pressure: PN1.0-16.0MPa 3. ... Material:WCB,WC6,CF8,CF8M,CF3,CF3M API6D ISO9001 Through Conduit Gate Valve ... valves,ball valves,butterfly valves,diaphragm valves,mud valve ect.And it has complete inspection equipment, such ... T79.1~79.25.Pressure test of general valve: GB/T139276.Valve inspection and test: JB/T90927.Drivign manner: ...