DIN EN 15551:2011-01

National foreword
National Annex NA (informative) - Bibliography
European foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Classification and designation
5 Requirements
6 Housing
Annex A (normative) - Maximum space envelope
        of buffer
Annex B (normative) - Mechanical characteristics
        of buffers Test methods
Annex C (normative) - Requirements for elastic systems
Annex D (normative) - Testing of static characteristics
        of buffers
Annex E (normative) - Dynamic testing
Annex F (normative) - Endurance testing under
        service load for elastic system
Annex G (normative) - Endurance testing under
        buffing load for life-cycle simulation
Annex H (informative) - Guidelines for buffer
        head materials
Annex I (normative) - Calculation of the width
        of buffer heads
Annex J (normative) - Crashworthy buffers
        for tank wagons
Annex K (normative) - Maximum space envelope
        of crashworthy buffers
Annex ZA (informative) - Relationship between
         this European Standard and the Essential
         Requirements of EU Directive 2008/57/EC
Bibliography

Describes the requirements for buffers with 105 mm, 110 mm and 150 mm stroke for vehicles or units which use buffers and screw coupling.