GB/T 21387-2025
ActiveAxial flow check valve for water supply system
供水系统用轴流式止回阀
Application Summary AI generated
This standard specifies the technical requirements, test methods, inspection rules, and marking/packaging for axial flow check valves used in water supply systems. It is applied in municipal water supply, industrial water distribution, and building water supply networks to ensure reliable backflow prevention and minimize water hammer effects. The standard is relevant for valve manufacturers, system designers, and quality inspectors verifying performance under specified pressure and flow conditions.
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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.