EN 15612:2008

Railway applications - Braking - Brake pipe accelerator valve

This European Standard is applicable to brake pipe accelerator valves designed to vent the brake pipe of railway vehicles when an emergency brake application is initiated, without taking the type of vehicles and track-gauge into consideration.
This European Standard specifies the requirements for the design, manufacture and testing of brake pipe accelerator valves.

Bahnanwendungen - Bremse - Schnellbremsbeschleunigungsventil

Diese Europäische Norm gilt für Schnellbremsbeschleunigungsventile, die nachfolgend Schnellbremsbeschleuniger
genannt werden und zur Entlüftung der Hauptluftleitung von Eisenbahnfahrzeugen bei Auslösen
einer Schnellbremsung ohne Berücksichtigung der Fahrzeugart oder Spurweite.
Diese Europäische Norm legt die Anforderungen für die Konstruktion, die Herstellung und Prüfung von
Schnellbremsbeschleunigern fest.

Applications ferroviaires - Freinage - Valve accélératrice de vidange

La présente Norme européenne s’applique aux valves accélératrices de vidange conçues pour purger la conduite de frein de véhicules ferroviaires lors d’un freinage d’urgence, indépendamment du type de véhicules ou de l’écartement de la voie.
La présente Norme européenne spécifie les exigences relatives à la conception, à la fabrication et aux essais des valves accélératrices de vidange.

Železniške naprave - Zavore - Pospešilnik praznjenja glavnega zavornega voda

General Information

• Status: Withdrawn
• Publication Date: 18-Nov-2008
• Withdrawal Date: 05-Oct-2010
• ICS: 45.060.01 - Railway rolling stock in general
• Technical Committee: CEN/TC 256 - Railway applications
• Drafting Committee: CEN/TC 256/SC 3/WG 24 - Components
• Current Stage: 9960 - Withdrawal effective - Withdrawal
• Start Date: 06-Oct-2010
• Completion Date: 06-Oct-2010
• Directive: 2001/16/EC - Directive 2001/16/EC of the European Parliament and of the Council of 19 March 2001 on the interoperability of the trans-European conventional rail system
• Directive: 2008/57/EC - 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)
• Directive: 96/48/EC - Interoperability of the trans-European high-speed rail system
• Mandate: M/275 - Mandate to CEN/CENELEC/ETSI for standardization in the field of railway equipment on the interoperability of the Trans-European high-speed rail system
• Mandate: M/334 - Mandate for programming and standardisation addressed to CEN, CENELEC and ETSI in the field of the Interoperability of the trans-european conventional rail system
• Ref Project: SIST EN 15612:2009 - Railway applications - Braking - Brake pipe accelerator valve

Relations

• Merged Into: EN 15612:2008+A1:2010 - Railway applications - Braking - Brake pipe accelerator valve
• Effective Date: 18-Jan-2023
• Amended By: EN 15612:2008/FprA1 - Railway applications - Braking - Brake pipe accelerator valve
• Effective Date: 12-Dec-2009

Standards Content (Sample)

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Železniške naprave - Zavore - Pospešilnik praznjenja glavnega zavornega vodaBahnanwendungen - Bremse - SchnellbremsbeschleunigungsventilRailway applications - Braking - Brake pipe accelerator valve45.040Materiali in deli za železniško tehnikoMaterials and components for railway engineeringICS:Ta slovenski standard je istoveten z:EN 15612:2008SIST EN 15612:2009en,fr01-januar-2009SIST EN 15612:2009SLOVENSKI
STANDARD
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 15612November 2008ICS 45.060.01 English VersionRailway applications - Braking - Brake pipe accelerator valveApplications ferroviaires - Freinage - Valve accélératrice devidangeBahnanwendungen - Bremse -SchnellbremsbeschleunigungsventilThis European Standard was approved by CEN on 27 September 2008.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the CEN 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 translationunder the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as theofficial versions.CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2008 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 15612:2008: ESIST EN 15612:2009

Relationship between this European Standard and the Essential Requirements of EU Directive 96/48/EC, as modified by Directive 2004/50/EC.21 Annex ZB (informative)
Relationship between this
European
Standard and the Essential Requirements
of EU Directive 2001/16/EC of the European Parliament and of the Council of 19 March 2001 on the interoperability of the trans-European conventional rail system, as modified by EU Directive 2004/50/EC of 29 April 2004.22 Bibliography.23
No functional errors shall occur in the operation of the brake pipe accelerator valve at operating (running) pressures of (5 ± 1) bar. This requirement shall be proven by testing in accordance with 6.2.4.10. 4.2.3 Train/vehicle behaviour The brake pipe accelerator valve shall exhaust the air from the brake pipe without causing any adverse effect on vehicle/train behaviour. This requirement shall be proven by testing in accordance with 6.3. 4.2.4 Affect of overcharge 4.2.4.1 Overcharge after full service application The brake pipe accelerator valve shall not come into operation due to the effect of an operating pressure overcharge after a full service brake application, which allows a build up of brake pipe pressure above normal operating pressure to 6 bar. It shall be taken into account that this overcharge can be present for up to 40 s in braking mode “G” and 10 s in braking mode “P” after a full service application. This requirement shall be proven by testing in accordance with 6.2.4.8. 4.2.4.2 Overcharge starting from operating pressure The brake pipe accelerator valve shall not come into operation if the brake pipe pressure, starting from the operating pressure, is raised to 6 bar for 2 s, then is reduced to 5,2 bar in 1 s, followed by a return to the operating pressure at a rate of 0,15 bar in 60 s. This requirement shall be proven by testing in accordance with 6.2.4.9. 4.2.5 Affect of individual vehicle The operation of the brake pipe accelerator valve shall not be affected by an individual vehicle with a brake pipe volume not exceeding 25 l, where a brake pipe accelerator valve is not fitted or the brake has been isolated. This shall apply irrespective of the position of that vehicle in the train consist. This requirement shall be proven by testing in accordance with 6.3. 4.2.6 Subsequent emergency application The brake pipe accelerator valve shall come into operation when an emergency brake application is made after a full service brake application. This requirement shall be proven by testing in accordance with 6.2.4.7. 4.2.7 Sensitivity The bra
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