PREN 15551 : DRAFT 2013

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Classification and designation
5 Requirements
6 Housing
7 Crashworthy buffers for tank wagons according to
  RID
Annex A (normative) - Maximum space envelope of
        buffer
Annex B (normative) - Mechanical characteristics of
        buffers - Test methods
Annex C (normative) - Requirements for elastic devices
Annex D (normative) - Testing of static characteristics
        of buffers
Annex E (normative) - Dynamic testing
Annex F (normative) - Endurance testing under service
        load for elastic device
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
        according to RID
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 of the European
         Parliament and of the Council of 17 June 2008
         on the interoperability of the rail system within
         the Community (Recast)
Bibliography

Specifies the requirements for buffers with 105 mm, 110 mm and 150 mm stroke for vehicles or units which use buffers and screw coupling at the coupling interface with other interoperable rolling stock. Also specifies the requirements for buffers with integrated crash elements (crashworthy buffers) for tank wagons only according to RID.