... gas HDPE tube 2.High quality and competitive price 3.Sizes:20 to 630mm 4.PN Grade:0.4-1.6MPa SpecificationsPE Pipe for water supply ... more than 50 years under proper useRecycled and Environment-friendly PE80 Water Supply Pipe SDR33, PN0.4MPaSDR21, PN0.6MPaSDR17, ... 152.2 80024.538.147.458.8 PE100 Water Supply Pipe SDR26, PN0.6MPaSDR21, PN0.8MPaSDR17, PN1. ... 160061.6 2012 NEW HDPE water supply pipe