GB/T 13402-2019
ActiveLarge diameter steel pipe flanges
大直径钢制管法兰
Application Summary AI generated
This standard specifies the dimensions, materials, and pressure-temperature ratings for large diameter steel pipe flanges used in industrial fluid systems. It is applied in sectors such as petrochemical, power generation, and water treatment for connecting pipes, valves, and equipment in high-pressure or high-temperature environments. The standard ensures interchangeability and sealing performance for flanges with nominal diameters exceeding DN 600.
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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.