PP-R water pipes 1.ISO9001,ISO14001,OHSAS18001.. 2.Lengh:50m,100m or other 3.Normal Diameter: 20mm,25mm ... : PVC-U pipe and fittings, PE pipe and fittings, PP-R pipe and fittings, PVC-M pipes and fittings, HDPE ... in the future.The more details about our PP-R water pipes:1. Material: PP-R2. Standard: GB/T, ISO, BS, ... s requirement5. PN Grade:1.25Mpa,1.6 Mpa,2.0 Mpa, 2.5Mpa6. This kind of Pipe is used for ...