GB/T 48160-2026Aerospace - Couplings, threaded and sealed, for fluid systems (English PDF)

GB/T 48160-2026 is the English-translated version of 航空航天 流体系统用螺纹和密封联轴器.

This aerospace standard concerns threaded and sealed couplings for fluid systems. Couplings of this kind connect tubing and components in hydraulic, fuel and other fluid lines of aircraft and related aerospace equipment. The document is intended for aerospace component manufacturers, airframe and systems designers, procurement staff and quality engineers who specify or accept such fittings.

It adopts an international standard and takes effect on 1 March 2027. It is a recommended national standard (GB/T). Suppliers that sell fluid system components to Chinese aerospace programs, and integrators that buy from them, can use the document as a common reference for the coupling type. Detailed dimensions, performance levels and test conditions should be taken from the full text and are not summarized here.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

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