... )pvc electric ball valve 2)PVC-U,CPVC pvc electric ball valve 3)Sivarious sizes 4)DIN,ANSI pvc valve 5)CE,ISO9001-2008 pvc electric ball valve Materials: PVC ... interfacesIt is widely used in chemistry, electron, metallurgy, plastic, electroplate, irrigation, treatment Sewage, engineering of Recycled water, Aquatic Culture, civil using ...