GB/T 2556-1981
AbolishedPipe flanges for ordinary use--Sealing surfaces--Forms and dimensions
一般用途管法兰密封面形状和尺寸
Application Summary AI generated
This standard specifies the forms and dimensions of sealing surfaces for pipe flanges used in general-purpose fluid systems. It is applied in the design, manufacturing, and procurement of flanged connections for pipelines carrying liquids or gases under moderate pressure and temperature conditions. The standard ensures interchangeability and sealing performance across various industrial applications, such as water supply, HVAC, and low-pressure process piping.
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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.