... , 0.8, 0.6Mpa Wall: 2.3~57.2mm Large Diameter Pipe High Density Polyethylene (HDPE) Solid Wall Pipe can be ... seawater and corrosion material conveying pipes, petroleum and chemical pipes, storm and waste water pipes, power cable protection pipes, and water conservancy and ... thrust restraints or thrust blocks are not required. HDPE pipes fused joints simply do not leak, eliminating infiltration and ...