GB 27791-2020
ActiveCity gas pressure regulating installation
城镇燃气调压箱
Application Summary AI generated
GB 27791-2020 specifies the design, manufacturing, testing, and safety requirements for city gas pressure regulating installations (gas pressure regulating boxes) used in urban gas distribution systems. It applies to equipment that reduces and stabilizes gas pressure from medium-pressure pipelines to low-pressure levels for residential, commercial, and industrial end-users. The standard ensures safe and reliable operation in construction and municipal gas supply contexts, covering performance criteria for pressure control, leakage prevention, and structural integrity.
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