Pressure grade: the working pressure of buried polyethylene (PE) pipes for the supply of gaseous fuels is shown in the table below.
Executive standard: GB/T 15558.1-2015 Buried Polyethylene (PE) Piping Systems for the Supply of Gaseous Fuels — Part 1: Pipes
Performance features:
1. Low density, light weight, easy to handle and install;
2. Be able to resist corrosion by a variety of chemical media;
3. Excellent hydraulic performance: the wear resistance coefficient is only 0.009;
4. Long service lifetime: up to 50 years;
5. Reliable connection;
6. High toughness and good seismic performance;
7. Better resistance to slow crack growth (SCG) and rapid crack propagation (RCP).