GB/T 44851.4-2025
ActiveRoad vehicles—Liquefied natural gas (LNG) fuel system components—Part 4: Manual valve
道路车辆 液化天然气（LNG）燃气系统部件 第4部分：手动阀
Application Summary AI generated
This standard specifies technical requirements, test methods, and inspection rules for manual valves used in liquefied natural gas (LNG) fuel systems on road vehicles. It applies to manual valves designed for LNG trucks, buses, and other commercial vehicles, ensuring safe shut-off and flow control under cryogenic and high-pressure conditions. The standard is used by manufacturers and testing laboratories to validate valve performance in LNG fuel system assembly and maintenance.
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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.