... /4", 1", 1-1/4", 1-1/2", 2" 2-1/2" 3" 4" 2) Standard: BS, ANSI, CNS,GB 3) With socket and ... (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: ... will own a good chance! Cooperation means benefit! UPVC thread Ball Valve,1/2"-2"