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