... PVC Water Pipes 1.ISO9001,ISO14001,OHSAS18001.. 2.Lengh:4m or other length 3.Normal Diameter:16mm 4.Used to cold water PVC Water PipesWe ... situations. Like water supply and drain system, gas delivery system, industrial liquids transportation, electric wires installation and so on.In addition, ... in the future.The more details about our PP-R water pipes:1. Material: PP-R2. Standard: GB/T, ISO, BS, ASTM ...