Polyurethane insulation pipe, full name: high-density polyethylene plastic outer protective polyurethane foam prefabricated directly buried insulation pipe, made of conveying medium, working steel pipe, polyurethane insulation layer, polyethylene plastic outer protective pipe, successively combined with the equipment to the outside.
High density polyethylene (hdpe) polyurethane foam prefabricated directly buried insulation pipe with its excellent performance, convenient construction and long service life (30 to 50 years) and popular, its structure is: protective layer, insulation layer, anti-leakage layer of three parts, protective layer material for polyethylene jacket pipe or glass fiber reinforced plastics or other materials.There are three ways of laying: direct burial, overhead and trench.
