prEN 14198

SLOVENSKI STANDARD
01-september-2023
Železniške naprave - Zavore - Zahteve, ki jih morajo izpolnjevati zavorni sistemi
vlakov, vlečeni z lokomotivami
Railway applications - Braking - Requirements for the brake system of trains hauled by
locomotives
Bahnanwendungen - Bremsen - Anforderungen an die Bremsausrüstung lokbespannter
Züge
Applications ferroviaires - Freinage - Exigences concernant le système de freinage des
trains tractés par locomotive
Ta slovenski standard je istoveten z: prEN 14198
ICS:
45.040 Materiali in deli za železniško Materials and components
tehniko for railway engineering
45.060.01 Železniška vozila na splošno Railway rolling stock in
general
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

DRAFT
EUROPEAN STANDARD
NORME EUROPÉENNE
EUROPÄISCHE NORM
June 2023
ICS 45.040; 45.060.01 Will supersede EN 14198:2016+A2:2021
English Version
Railway applications - Braking - Requirements for the
brake system of trains hauled by locomotives
Applications ferroviaires - Freinage - Exigences Bahnanwendungen - Bremsen - Anforderungen an die
concernant le système de freinage des trains tractés Bremsausrüstung lokbespannter Züge
par locomotive
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee
CEN/TC 256.
If this draft becomes a European Standard, CEN members are bound to comply with the CEN/CENELEC Internal Regulations
which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.

This draft European Standard was established by CEN in three official versions (English, French, German). A version in any other
language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC
Management Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.
Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are
aware and to provide supporting documentation.

Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without
notice and shall not be referred to as a European Standard.

EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2023 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 14198:2023 E
worldwide for CEN national Members.

Contents Page
European foreword . 4
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 7
4 Symbols and abbreviated terms . 9
5 Requirements . 10
5.1 General requirements of the train brake system . 10
5.2 General safety requirements . 10
5.2.1 Design principles . 10
5.2.2 Fire protection . 11
5.2.3 Environmental condition . 11
5.3 Requirements of the main brake system . 12
5.3.1 General requirements . 12
5.3.2 General functions on train level . 13
5.3.3 Additional requirements at the vehicle level . 18
5.4 “EN-UIC” brake system - based on air brake system . 20
5.4.1 Foreword. 20
5.4.2 General architecture . 20
5.4.3 Additional brake systems . 21
5.4.4 Functional requirements at train level . 22
5.4.5 Design requirements . 35
5.4.6 Brake functions at vehicle level . 36
5.5 Direct EP brake control . 41
5.6 Additional brake systems . 41
5.6.1 Dynamic brakes . 41
5.6.2 Direct brake . 44
5.6.3 Magnetic track brake . 46
5.7 Brake management . 46
5.7.1 Brake blending at vehicle level . 46
5.7.2 Manual mode . 46
5.7.3 Brake blending at train level . 46
5.7.4 Jerk/ramps . 47
5.8 Wheel slide protection . 48
5.9 Compressed air supply . 48
5.9.1 General requirements . 48
5.9.2 Capacity . 49
5.9.3 Air quality . 49
5.10 Enhancement of wheel/rail adhesion . 49
6 Performances . 50
6.1 General aspects . 50
6.2 Performance calculation . 51
6.2.1 General. 51
6.2.2 Calculations for nominal mode . 52
6.2.3 Equivalent response and delay time . 52
6.2.4 Calculations for degraded mode . 53
6.2.5 Calculations for degraded conditions . 53
6.3 Relevant load conditions . 53
6.3.1 Locomotives . 53
6.3.2 Coaches . 53
6.3.3 Wagons . 54
6.4 Service braking . 54
6.5 Thermal capacity . 54
6.6 Adhesion . 55
6.6.1 General requirements . 55
6.6.2 Emergency brake application . 55
6.6.3 Service brake application . 55
6.7 Parking brake performance . 56
Annex A (normative) Vehicle requirements . 57
Annex B (informative) Train related brake performance categories . 59
Annex C (informative) Explanation of “proven design” concept . 63
Annex D (informative) Corresponding standards EN – UIC . 64
Annex E (normative) Brake pipe pressure control system . 66
E.1 General requirements . 66
E.2 Release position . 67
E.3 Service brake application . 68
E.4 Emergency brake application . 68
E.5 Overcharge function . 69
E.6 Quick release function . 70
Annex F (normative) Venting performance of emergency valves . 74
F.1 Purpose . 74
F.2 General rules . 74
F.3 Test procedure . 74
Annex ZA (informative) Relationship between this European Standard and the Essential
Requirements of Directive (EU) 2016/797 aimed to be covered . 76
Bibliography . 80

European foreword
This document (prEN 14198:2023) has been prepared by Technical Committee CEN/TC 256 “Railway
applications”, the secretariat of which is held by DIN.
This document is currently submitted to the CEN Enquiry.
This document will supersede EN 14198:2016+A2:2021.
This document includes the following significant technical changes with respect to
EN 14198
...