GB/T 44851.8-2025
ActiveRoad vehicles—Liquefied natural gas (LNG) fuel system components—Part 8: Excess flow valve
道路车辆 液化天然气（LNG）燃气系统部件 第8部分：过流保护阀
Application Summary AI generated
This standard specifies technical requirements, test methods, and inspection rules for excess flow valves used in liquefied natural gas (LNG) fuel systems for road vehicles. It applies to components that automatically shut off or restrict gas flow when a leak or rupture occurs downstream, ensuring safety in LNG-powered trucks, buses, and other heavy-duty vehicles. The standard is used by manufacturers and testing laboratories to validate valve performance under extreme pressure and temperature conditions typical of LNG systems.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.