... 4" 2) Standard: BS, ANSI, CNS,GB 3) With socket and threaded end We have rich experience in producing high ... quality for the following PVC-U (upvc, pvc)/PP-R (ppr)ball valve series. (compact ... 4" 6"2) Standard: BS, ANSI, CNS,GB3) With socket and threaded end 4) Material: High quality PVC, ABS, PP ... will own a good chance! Cooperation means benefit! UPVC socket Ball Valve,1/2"-2"