... /4", 1", 1-1/4", 1-1/2", 2" 2-1/2" 3" 4" 2) Standard: BS, ANSI, CNS,GB 3) With socket ... upvc, pvc)/PP-R (ppr)ball valve series. (compact ball valve, double union ball valve)Specification: 1) Diameter: 1/2", 3/ ... 4", 1", 1-1/4", 1-1/2", 2" 2-1/2" 3" 4" 6"2) Standard: BS, ANSI, CNS,GB3) With socket ... and threaded end 4) Material: High quality PVC, ABS, PP- ...