hdpe pipe material:100%polyethylene diameter:20,25,32,40,50,63,75........315 SDR:1 ... .6, PN1.0MPaSDR11, PN1.25MPadn enenenenen25 2.332 3.040 3.750 4.663 4.75.875 4.55.66 ... , PN1.25MPaSDR11, PN1.6MPadnenenenenen20 2.325 2.332 3.040 3.750 4.663 4.75.875 4.55.66 ... .890 4.35.46.78.21104.25.36.68.110 ... 80030.638.147.4 90034.442.953.3 1000 38.247.759.3 120046.357.2 140053.966.8 160061 ...