GB/T 35842-2026
UpcomingTechnical requirements for pre-insulated directly buried valve of urban heating
城镇供热预制直埋保温阀门技术要求
Application Summary AI generated
This standard specifies the technical requirements, test methods, inspection rules, and marking for pre-insulated directly buried valves used in urban heating systems. It is applied in the design, manufacturing, and quality inspection of valves that are installed underground in district heating networks to ensure thermal insulation, sealing, and long-term operational reliability. The standard is primarily used by heating engineering companies, valve manufacturers, and construction inspection units for urban central heating projects.
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