... Only produce mould 2.describe:union ball valve 3.type:single,double,thread,butterfly,brass ball 4.material ... of elbow, coupling, tee, reduce, cap, union, flange, flexible connector, water supply and sewerage ... PE-RT, POM and other material. Form as thread, socket, male, female, etc.4. We can ... order accepted.standard: BS, ANSI, DIN, JIS, socket, thread, order, quality, size, color, package, weigh, fast, ...