... .Can use a variety of trenchless ways, great convenient for construction and installation. 9.Low system cost, less maintenance ... PE pipe, health non-toxic, not fouling, more suitable for urban water supply main conduit and buried tube, safety, ... road construction, good impact resistance, it is the ideal tool for agricultural irrigation.HDPE(PE100) Pipe dimension Outer diameterdn mmSDR26SDR21SDR17SDR13. ...