... different specifications and size Product Introduction:uPVC pipes, used in water supply pipe, drain, irrigationOD: 50mm-630mmStandard:ASTM,BS, ... uesd.4. Strong mechanical strength:Good resistance to water pressure, outside impact and pressure, is satisfied under any conditions.5. Good ... . It is considered the best piping material for running water works.7. Simple installation:Very easy to connect, thus ...