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    Railway applications - Railway rolling stock - Buffers

    EN-15551ActiveOfficial catalogue

    Issuing body: CEN · Version: EN 15551:2022 · Published: 2022-09-30

    Link verified July 22, 2026

    Scope

    Specifies the geometry, energy-absorption performance, interfaces and test procedures for railway buffers with 105 mm, 110 mm and 150 mm stroke, fitted to freight wagons, coaches and locomotives using screw couplings. It includes provisions for crashworthy buffers on dangerous-goods tank wagons and is the CEN reference used wherever conventional buffer-and-chain coupling equipment is specified or tested.

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