GB/T 18689-2009
ActiveAgricultural irrigation equipment－ Manually operated small plastics valves
农业灌溉设备 小型手动塑料阀
Application Summary AI generated
This standard specifies technical requirements, test methods, and inspection rules for manually operated small plastic valves used in agricultural irrigation systems. It applies to valves with nominal diameters up to 63 mm, designed for low-pressure water distribution in field irrigation, greenhouse watering, and garden applications. The standard ensures durability, sealing performance, and resistance to environmental stress cracking in plastic valve bodies and components.
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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.