... /2", 2" 2-1/2" 3" 4" 2) Standard: BS, ANSI, CNS,GB 3) With socket and threaded ... following PVC-U (upvc, pvc)/PP-R (ppr)ball valve series. (compact ball valve, double union ball valve)Specification: 1) Diameter: 1/2", 3/4 ... 2" 2-1/2" 3" 4" 6"2) Standard: BS, ANSI, CNS,GB3) With socket and threaded end ... products according to client's order, just as the standard, the quality, the size, the color, etc.Cost ...