1.Name: industrial double union ball valve 2.Materials: PVC-U,PVC-C 3.Standard: DIN, JIS, ANSI, BS 4.CE, ISO9001:2008 industrial ... double union ball valveMaterials: PVC-U,PVC-CSizes: 1/2", 3/4", 1", 1+1/4", 1+1/2", 2", 2+1/2", 3", 4"High quality,Clear, light weight ...