SIST EN 14601:2025
(Main)Railway applications - Straight and angled end cocks for brake pipe and main reservoir pipe
Railway applications - Straight and angled end cocks for brake pipe and main reservoir pipe
This document is applicable to manually operated end cocks designed to cut-off the brake pipe and the main reservoir pipe of the air brake and compressed air system of rail vehicles, without taking the type of vehicles and track-gauge into consideration.
This document specifies requirements for the design, dimensions, testing and certification (qualification and/or homologation), and marking.
Bahnanwendungen - Gerade und abgewinkelte Luftabsperrhähne für die Hauptluftleitung und Hauptbehälterleitung
Dieses Dokument ist anwendbar für manuell bediente Luftabsperrhähne an den Enden der Hauptluft- und der Hauptbehälterleitung im Druckluft(brems )system von Schienenfahrzeugen, ohne Berücksichtigung der Bauart der Fahrzeuge und der Spurweite.
Dieses Dokument legt Anforderungen hinsichtlich der Gestaltung, der Abmessungen, der Prüfung und der Zertifizierung (Qualifizierung und/oder Typprüfung) und der Kennzeichnung fest.
Applications ferroviaires - Robinets d'arrêt droit ou coudé pour conduite générale de frein et conduite principale
Le présent document est applicable aux robinets d’arrêt manœuvrables manuellement, conçus pour interrompre la conduite générale et la conduite principale des systèmes de freinage par air comprimé des véhicules ferroviaires, sans considération du type des véhicules et de gabarit de la voie.
Le présent document donne les exigences à respecter pour la conception, les dimensions, les essais, la certification (qualification et / ou essai de type), et le marquage.
Železniške naprave - Ravne in kotne zaporne pipe za zavorne in glavne zračne vode
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
01-januar-2025
Železniške naprave - Ravne in kotne zaporne pipe za zavorne in glavne zračne
vode
Railway applications - Straight and angled end cocks for brake pipe and main reservoir
pipe
Bahnanwendungen - Gerade und abgewinkelte Luftabsperrhähne für die Hauptluftleitung
und Hauptbehälterleitung
Applications ferroviaires - Robinets d'arrêt droit ou coudé pour conduite générale de frein
et conduite principale
Ta slovenski standard je istoveten z: EN 14601:2024
ICS:
45.040 Materiali in deli za železniško Materials and components
tehniko for railway engineering
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EN 14601
EUROPEAN STANDARD
NORME EUROPÉENNE
November 2024
EUROPÄISCHE NORM
ICS 45.060.01 Supersedes EN 14601:2005+A2:2021
English Version
Railway applications - Straight and angled end cocks for
brake pipe and main reservoir pipe
Applications ferroviaires - Robinets d'arrêt droit ou Bahnanwendungen - Gerade und abgewinkelte
coudé pour conduite générale de frein et conduite Luftabsperrhähne für die Hauptluftleitung und
principale Hauptbehälterleitung
This European Standard was approved by CEN on 5 August 2024.
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. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This European Standard exists 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.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2024 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 14601:2024 E
worldwide for CEN national Members.
Contents Page
European foreword . 4
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 5
4 Requirements . 10
4.1 Operating conditions . 10
4.2 Functional characteristics . 10
4.2.1 General. 10
4.2.2 Open and closed positions . 11
4.2.3 Lubrication . 11
4.2.4 Venting port . 11
4.2.5 Torque. 11
4.2.6 Spindle handle of the end cock . 11
4.2.7 Fall time . 12
4.2.8 Leakage . 12
4.2.9 Vacuum withstanding . 12
4.2.10 Pneumatic shocks . 12
4.3 Constructional characteristics . 12
4.3.1 External appearance . 12
4.3.2 Connections . 12
4.3.3 Space envelope . 12
4.3.4 Mechanical shocks . 12
4.3.5 Resistance to torque . 12
4.3.6 Life expectancy . 13
5 Type test . 13
5.1 General. 13
5.2 Test requirements . 13
5.3 Test procedure . 13
5.3.1 Principle . 13
5.3.2 Check of physical and geometrical characteristics . 14
5.3.3 Measurement of the operating torque . 14
5.3.4 Measurement of the pressure fall time . 15
5.3.5 Hydraulic test (water pressure) of the end cock body at given pressure . 16
5.3.6 Operating test under air flow condition . 17
5.3.7 Pneumatic test of the isolating device at given pressures and temperatures . 17
5.3.8 Endurance at ambient temperature with reduced air flow . 19
5.3.9 Measurement of the operating torque drift . 20
5.3.10 Vibration test . 20
5.3.11 Resistance to shock test . 21
5.3.12 Vacuum test . 21
5.3.13 Corrosion test . 22
5.3.14 Resistance to torque . 22
5.3.15 Pneumatic test of the isolating device at given pressures and temperatures with
waiting time . 23
5.3.16 Examination . 24
5.4 Approval validity . 24
6 In-service assessment . 24
7 Designation . 25
8 Marking . 25
Annex A (normative) Dimensions of end cocks . 26
Bibliography . 30
European foreword
This document (EN 14601:2024) has been prepared by Technical Committee CEN/TC 256 “Railway
applications”, the secretariat of which is held by DIN.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by May 2025, and conflicting national standards shall be
withdrawn at the latest by May 2025.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN 14601:2005+A2:2021.
EN 14601:2005+A2:2021:
— normative references have been updated;
— tested end cock numbers in Table 1 “Operations to carry out for qualification” have been
supplemented for 5.3.7;
— in 5.3.7 “Pneumatic test of the isolating device at given pressures and temperatures” a new time
requirement for performance of the test has been added.
This document has been prepared under a standardization request addressed to CEN by the European
Commission. The Standing Committee of the EFTA States subsequently approves these requests for its
Member States.
Any feedback and questions on this document should be directed to the users’ national standards body.
A complete listing of these bodies can be found on the CEN website.
According to the CEN-CENELEC Internal Regulations, the national standards organisations of the
following countries are bound to implement this European Standard: 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 the
United Kingdom.
1 Scope
This document is applicable to manually operated end cocks designed to cut-off the brake pipe and the
main reservoir pipe of the air brake and compressed air system of rail vehicles; without taking the type
of vehicles and track-gauge into consideration.
This document specifies requirements for the design, dimensions, testing and certification (qualification
and/or type test), and marking.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments) applies.
EN 50125-1:2014, Railway applications — Environmental conditions for equipment — Part 1: Rolling
stock and on-board equipment
EN 61373:2010, Railway applications — Rolling stock equipment — Shock and vibration tests
(IEC 61373:1999)
EN ISO 228-1:2003, Pipe threads where pressure-tight joints are not made on the threads — Part 1:
Dimensions, tolerances and designation (ISO 228-1:2000)
EN ISO 9227:2022, Corrosion tests in artificial atmospheres — Salt spray tests (ISO 9227:2022)
ISO 4975:2022, Railway applications — Braking system — Quality of compressed air for pneumatic
apparatus and systems
ISO 5208:2015, Industrial valves — Pressure testing of metallic valves
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
ISO and IEC maintain terminology databases for use in st
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