GB/T 38097-2019
ActiveUrban heating—Prefabricated directly buried insulating pipes and fittings with polyurethane(PUR) foamed-plastics and glass fiber reinforced plastics protect layers
城镇供热 玻璃纤维增强塑料外护层聚氨酯泡沫塑料预制直埋保温管及管件
Application Summary AI generated
This standard specifies the technical requirements, test methods, and quality acceptance criteria for prefabricated directly buried insulating pipes and fittings that use polyurethane foam as the insulation layer and glass fiber reinforced plastic as the outer protective layer. It is applied in urban central heating systems for underground pipeline networks, ensuring thermal efficiency, mechanical strength, and corrosion resistance for long-term operation. The standard is used by manufacturers, engineering designers, and construction inspectors to guarantee reliable performance in district heating projects.
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