GB/T 17456.2-2025
ActiveDuctile iron pipes,fittings and accessories—External zinc-based coating—Part 2: Zinc rich paint with finishing layer
球墨铸铁管、管件和附件 外表面锌基涂层 第2部分：带终饰层的富锌涂料涂层
Application Summary AI generated
This standard specifies requirements for a two-layer external coating system on ductile iron pipes and fittings, consisting of a zinc-rich paint base coat followed by a finishing layer. It is applied in the water and wastewater industries to provide corrosion protection for buried or exposed fluid-carrying infrastructure, ensuring long-term durability in soil or atmospheric environments. The standard is used by manufacturers and specifiers for quality control and procurement of coated ductile iron 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.