Pipe Coupling for PVC pipe was designed to suit for PVC pipe, ... I pipe, cast iron pipe or AC pipe. Pipe Coupling:iron Pipe Coupling for PVC pipe complying to BS3505 or MS628, the ... working presure is 16.0 bar; it provides a quick, leak ... Town, Chengyang District, Qingdao City, Shandong Province, China Iron Pipe Coupling