Features: 

The product adopts polyurethane spraying technology, the spray density distribution is uniform. The outer protective layer adopts glass fiber reinforced plastic winding process without stress, the strength, stiffness and waterproof performance of the outer layer is excellent .It is suitable for the manufacture of large diameter insulating pipe.

 Recommend application:

District heating, District cooling, Petrochemical industry, Electric power construction, Metallurgical mines, LNG, Nuclear power and other pipe network systems with high safety requirements

Reference standards

GB/T 29047-2012 " Prefabricated directly buried insulating pipes and fittings with polyurethane foamed-plastics and high density polyethylene casing pipes"

GB/T 29046-2012 "The methods for technical specification for pre-insulated directly buried district heating pipes"

CJ/T 129-2000"Preformed directly buried insulating pipes with polyurethane foamed plastics and glass fiber reinforced plastics protect layers"

Other standards are available upon customer request