... 630mm 4.PN Grade:0.4-1.6MPa SpecificationsPE Pipe for water supply, with material PE80 or PE 100, Sizes ... 50 years under proper useRecycled and Environment-friendly PE80 Water Supply Pipe SDR33, PN0.4MPaSDR21, PN0.6MPaSDR17, PN0.8MPaSDR13.6 ... .942.152.2 80024.538.147.458.8 PE100 Water Supply Pipe SDR26, PN0.6MPaSDR21, PN0.8MPaSDR17, PN1.0MPaSDR13.6 ... 140053.966.8 160061.6 2012 NEW HDPE water supply pipe