GB/T 12227-2005
AbolishedGeneral purpose industrial valve-Specification of spheroidal graphite iron castings
通用阀门 球墨铸铁件技术条件
Application Summary AI generated
This standard specifies the technical requirements, test methods, inspection rules, and marking for spheroidal graphite iron castings used in general-purpose industrial valves. It is applied in the manufacturing and quality control of valve bodies, bonnets, discs, and other pressure-containing components for water, oil, gas, and steam systems. The standard ensures mechanical properties and integrity of ductile iron castings in industrial fluid handling applications.
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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.