GB/T 34611-2017
ActiveRigid polyurethane spray polyethylene winding prefabricated directly buried insulating pipes
硬质聚氨酯喷涂聚乙烯缠绕预制直埋保温管
Application Summary AI generated
This standard specifies the technical requirements, test methods, inspection rules, and packaging for rigid polyurethane spray-applied polyethylene-wrapped prefabricated directly buried insulating pipes. It is applied in the construction industry for district heating and cooling systems, specifically for pre-insulated pipes used in underground direct-burial networks to ensure thermal efficiency and durability.
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