GB/T 5639-2008
ActiveFlared couplings - Union tee
扩口式三通管接头
Application Summary AI generated
GB/T 5639-2008 specifies the dimensions, technical requirements, and marking for flared-type union tee couplings used in hydraulic and pneumatic systems. It applies to connecting three fluid-carrying tubes at 90-degree angles in mechanical equipment, such as machine tools, construction machinery, and automotive braking systems. The standard ensures interchangeability and leak-proof performance in medium-pressure piping applications where flared tube ends are secured by threaded fittings.
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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.