GB/T 1048-2005
AbolishedPipework components-Definition and selection of PN
管道元件--PN(公称压力)的定义和选用
Application Summary AI generated
This standard defines the nominal pressure (PN) rating system for pipework components, specifying the numerical values and selection criteria for pressure classes. It is applied in the design, specification, and procurement of flanges, valves, fittings, and other piping elements used in industrial fluid systems, such as chemical plants, water treatment facilities, and oil and gas pipelines. The standard ensures compatibility and pressure integrity across components from different manufacturers.
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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.