... . In normal conditions, at least life over 50 years.2. PE pipe non-toxic, do not contain heavy metal ... , and twisted.6. Light weight, convenient transportation and installation.7. The unique fused connection and hot melt docking, hot melt ... 8MPa1.0MPa1.25MPa1.6MPaSDRSDR26SDR21SDR17SDR13.6SDR11ODThicknessThicknessThicknessThicknessThickness20 22.325 2.3332 2.32.4340 2.32.333.750 2.32.93.74.6632.32.53. ...