... than 10 sizes of this kind valve UPVC Ball Valve:With Socket and Thread EndSize:1/2",3/4",1",1-1/4",1-1/2",2",2-1/2",3",4"Standard: DIN, BS, ... high pressure resistance is over 5MPa)3) Hot welding connection adopted, making pipes and fittings into whole, leakage effectively ... that of metal pipes), easy to handle and transport Size:1/2",3/4",1",1-1/4",1-1/2",2",2-1/2",3",4"Standard: DIN, BS, ANSI, CNS, ...