T/ZRCX 017-2023 Quality classification and "pioneer" evaluation requirements for metal-clad hoses used for gas appliances connections

Scope

Scope: This document specifies the basic requirements, evaluation indicators and requirements, evaluation methods and grade classification for the quality and enterprise standard level of metal-clad hoses used for connecting gas appliances. This document applies to natural gas, liquefied petroleum gas, and artificial coal gas specified in GB/T 13611, with an operating temperature range of 10°C to 70°C and a working pressure of ≤10 kPa. It evaluates the quality and enterprise standard level of hoses and hose assemblies used for connecting between the end of urban gas distribution branches and combustion appliances, as well as between household bottled liquefied petroleum gas pressure-reducing valves and combustion appliances. Relevant organizations can refer to this document when conducting quality grading and enterprise standard level evaluations, "leader" product evaluations, and related certifications. Relevant enterprises can also refer to this document when formulating their own enterprise standards. Main technical content: It includes the evaluation indicators and requirements for basic requirements, fundamental indicators, core indicators, and innovative indicators, as well as evaluation methods and grade classification.

Development Information

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