GB/T 40068-2021
ActiveElectrofusion welding sleeve（tape） for thermal insulation pipeline
保温管道用电热熔套（带）
Application Summary AI generated
This standard specifies the technical requirements, test methods, inspection rules, and marking for electrofusion welding sleeves and tapes used in thermal insulation pipelines. It is applied in the construction and installation of district heating networks, oil and gas pipelines, and industrial piping systems where pre-insulated pipes require secure, leak-proof joint connections. The standard ensures reliable fusion bonding between insulation layers and protective casings during field assembly.
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