EN 14601:2005+A2:2021

SLOVENSKI STANDARD
01-februar-2022
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 14601:2005+A2:2021
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 14601:2005+A2
EUROPEAN STANDARD
NORME EUROPÉENNE
December 2021
EUROPÄISCHE NORM
ICS 45.060.01 Supersedes EN 14601:2005+A1:2010
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 30 August 2010 and includes Amendment 2 approved by CEN on 4 October
2021.
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, Turkey 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
© 2021 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 14601:2005+A2:2021 E
worldwide for CEN national Members.

Contents Page
Foreword . 4
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 5
4 Requirements . 10
4.1 General . 10
4.2 Operating conditions . 10
4.3 Functional characteristics . 11
4.3.1 General . 11
4.3.2 Open and closed positions . 11
4.3.3 Lubrication . 11
4.3.4 Venting port . 11
4.3.5 Torque . 11
4.3.6 Spindle handle of the end cock . 11
4.3.7 Fall time . 12
4.3.8 Leakage . 12
4.3.9 Vacuum withstanding . 12
4.3.10 Pneumatic shocks. 13
4.4 Constructional characteristics . 13
4.4.1 External appearance . 13
4.4.2 Connections . 13
4.4.3 Space envelope . 13
4.4.4 Mechanical shocks . 13
4.4.5 Resistance to torque . 13
4.4.6 Life expectancy . 13
5 Type test methods . 13
5.1 Sampling for type test . 13
5.2 Test requirements . 14
5.3 Test procedure . 14
5.3.1 Principle . 14
5.3.2 Check of physical and geometrical characteristics . 15
5.3.3 Measurement of the operating torque . 15
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 . 17
5.3.6 Operating test under air flow condition . 18
5.3.7 Pneumatic test of the isolating device at given pressures and temperatures18
5.3.8 Endurance at ambient temperature with reduced air flow . 20
5.3.9 Measurement of the operating torque drift . 21
5.3.10 Vibration test . 21
5.3.11 Resistance to shock test . 21
5.3.12 Vacuum test . 22
5.3.13 Corrosion test . 23
5.3.14 Resistance to torque . 23
5.3.15 Examination . 25
5.4 Approval validity . 25
5.5 Type test report . 25
6 Homologation . 25
6.1 General . 25
6.1.1 Procedure . 25
6.1.2 Pass/fail criteria . 26
6.2 Homologation test report . 26
7 Routine tests . 26
8 Designation . 26
9 Marking . 27
Annex A (normative) Dimensions of end cocks . 28
Bibliography . 32

Foreword
This document (EN 14601:2005+A2:2021) 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 June 2022, and conflicting national
standards shall be withdrawn at the latest by June 2022.
Attention is drawn to the possibility that some of the elements of this document may be the
subject of patent rights. CEN [and/or CENELEC] shall not be held responsible for identifying any
or all such patent rights.
This document includes Amendment 1, approved by CEN on 2010-08-30.
This document includes Amendment 2, approved by CEN on 2021-10-04.
This document supersedes #EN 14601:2005+A1:2010$.
The start and finish of text introduced or altered by amendment is indicated in the text by tags
! ".
The start and finish of text introduced or altered by amendment is indicated in the text by tags
# $.
#Deleted paragraphs$
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, Turkey and the United Kingdom.
1 Scope
This European Standard 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 European Standard specifies requirements for the design, dimensions, testing and
certification (qualification and/or homologation), and marking.
2 Normative references
The following referenced documents are indispensable for the application 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, Railway applications — Environmental conditions for equipment — Part 1:
Equipment on board rolling stock
EN 61373, Railway applications — Rolling stock equipment — Shock and vibration tests
(IEC 61373:1999)
EN ISO 228-2, Pipe threads where pressure-tight joints are not made on the threads — Part 2:
Verification by means of limit gauges (ISO 228-2:1987)
ISO 5208:1993, Industrial valves — Pressure testing of valves
ISO 8573-1:2001, Compressed air — Part 1: Contaminants and purity classes
ISO 9227:1990, Corrosion tests in artificial atmospheres — Salt spray tests
3 Terms and definitions
For the purposes of this document, the following terms and definitions shall apply.
3.1
end cock
two position, three way cock, with no piped vent and, with a rotary spindle moved by the
operating handle
3.2 Components
3.2.1
port
terminus of a fluid passage in a component (to which may be connected pipelines) for the
transmission of fluid to, or from the component
3.2.1.1
venting port
port which provides passage to atmosphere
3.2.1.2
outlet port
port which is vented to atmosphere when the cock is closed
3.2.1.3
inlet port
port which is not vented when the cock is closed
3.2.1.4
threaded port
port arranged to accept screw threaded connection
3.2.2
dir
...