Railway applications - Railway rolling stock - Buffers
Cited in the Official Journal under Directive (EU) 2016/797 — compliance gives presumption of conformity with the essential requirements.
Issuing body: CEN · Version: EN 15551:2022 · Published: 2022-09-30
Link verified August 31, 2026
Also available from your national standards body (UNI, AFNOR, DIN, BSI…)
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.
Official Journal references
Editions cited under Directive (EU) 2016/797 — these exact editions carry the presumption of conformity.
- EN 15551:2017
- EN 15551:2022

