EN 15612:2008/FprA1

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

Applications ferroviaires - Freinage - Valve accélératrice de vidange

Železniške naprave - Zavore - Pospešilnik praznjenja glavnega zavornega voda - Dopolnilo A1

General Information

• Status: Not Published
• 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: 5060 - Closure of Vote - Formal Approval
• Start Date: 29-Jul-2010
• Due Date: 24-Jun-2011
• Completion Date: 29-Jul-2010
• Directive: Not Harmonized2008/57/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)
• 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/kFprA1:2010 - 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
• Amends: EN 15612:2008 - Railway applications - Braking - Brake pipe accelerator valve
• Effective Date: 12-Dec-2009

Overview

EN 15612:2008/FprA1 is a European Standard developed by CEN for the railway sector, specifically focusing on brake pipe accelerator valves. These components are critical for railway vehicle safety, ensuring rapid venting of the brake pipe during an emergency brake application. The standard addresses the design, manufacturing, and testing requirements for these valves, aiming to promote interoperability and compliance across European rail systems regardless of vehicle or track gauge.

This standard is closely aligned with the EU Directive 2008/57/EC for rail system interoperability, supporting essential requirements such as safety, reliability, and technical compatibility.

Key Topics

EN 15612:2008/FprA1 covers several vital areas to ensure the effective and safe operation of brake pipe accelerator valves in railway applications:

• Scope of Application

  • Applies broadly to all railway vehicles, with no limitation on vehicle type or track gauge.
  • Ensures cross-compatibility for both conventional and high-speed railway systems.

• Design Requirements

  • Sets guidelines for the structural integrity, operational parameters, and interface of valves.
  • Emphasizes robust construction for safe performance in emergency situations.

• Manufacturing Standards

  • Outlines quality control and material requirements.
  • Mandates verified manufacturing processes to ensure product consistency.

• Testing and Verification

  • Specifies procedures for functional testing, including performance under emergency conditions.
  • Ensures conformity with essential safety and reliability aspects of the railway system.

• Interoperability with EU Railway Legislation

  • Directly supports the implementation of EU Directive 2008/57/EC (Rail System Interoperability Directive).
  • Provides a presumption of conformity with related safety, health, environmental, and technical requirements when implemented.

Applications

Brake pipe accelerator valves standardized under EN 15612:2008/FprA1 deliver practical value throughout the European railway sector:

• Rolling Stock Manufacturers

  • Assurance of compliant and interoperable valve components for seamless integration into new train designs.

• Railway Operators and Fleet Managers

  • Enhanced safety and compatibility when upgrading existing braking systems or maintaining mixed fleets.

• Component Suppliers

  • Clear manufacturing and testing benchmarks, facilitating access to pan-European railway markets.

• Safety Assurance

  • Rapid venting of brake pipes under emergency conditions minimizes stopping distances and enhances passenger safety.

• Regulatory Compliance

  • Provides a recognized pathway to meet essential requirements under European Union rail system directives.

Related Standards

For further technical alignment and comprehensive compliance in railway applications, consider these related standards:

• EN 14198 - Railway applications - Braking - Requirements for the brake system
• EN 15227 - Railway applications - Crashworthiness requirements for railway vehicle bodies
• EN 50126 - Railway applications - The specification and demonstration of Reliability, Availability, Maintainability and Safety (RAMS)
• TSI Standards (Technical Specifications for Interoperability) - High-speed, Freight Wagon, and Locomotive & Passenger Rolling Stock requirements
• ISO/TS 22163 - Railways applications - Business management system requirements for rail organizations

Staying compliant with EN 15612:2008/FprA1 in conjunction with these standards ensures safer, more reliable, and interoperable braking systems across European railways.

---

Keywords: EN 15612, railway braking systems, brake pipe accelerator valve, railway safety standard, emergency brake application, rail system interoperability, CEN standards, EU Directive 2008/57/EC, railway component testing, rolling stock interoperability.

Standards Content (Sample)

SLOVENSKI STANDARD
01-julij-2010
Železniške naprave - Zavore - Pospešilnik praznjenja glavnega zavornega voda -
Dopolnilo A1
Railway applications - Braking - Brake pipe accelerator valve
Bahnanwendungen - Bremse - Schnellbremsbeschleunigungsventil
Applications ferroviaires - Freinage - Valve accélératrice de vidange
Ta slovenski standard je istoveten z: EN 15612:2008/FprA1
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.

EUROPEAN STANDARD
FINAL DRAFT
EN 15612:2008
NORME EUROPÉENNE
EUROPÄISCHE NORM
FprA1
April 2010
ICS 45.060.01
English Version
Railway applications - Braking - Brake pipe accelerator valve
Applications ferroviaires - Freinage - Valve accélératrice de Bahnanwendungen - Bremse -
vidange Schnellbremsbeschleunigungsventil
This draft amendment is submitted to CEN members for unique acceptance procedure. It has been drawn up by the Technical Committee
CEN/TC 256.
This draft amendment A1, if approved, will modify the European Standard EN 15612:2008. If this draft becomes an amendment, CEN
members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for inclusion of this amendment
into the relevant national standard without any alteration.

This draft amendment 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 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, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.

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

Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2010 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 15612:2008/FprA1:2010: E
worldwide for CEN national Members.

Contents Page
Foreword .3
1 Modification to the Contents .4
2 Modification to the Foreword .4
3 Modification to Annex ZA, 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) .5
4 Deletion of Annex ZB .9

Foreword
This document (EN 15612:2008/FprA1:2010) 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 Unique Acceptance Procedure.
This document has been prepared under a mandate given to CEN by the European Commission and the
European Free Trade Association, and supports essential requirements of EU Directive(s).
For relationship with EU Directive(s), see informative Annex ZA, which is an integral part of this document.
The “Recast” Directive 2008/57/EC of the European Parliament and of the Council on the interoperability of
th
the rail system within the Community was published on 17 June 2008.

The two previous EU Directives 96/48/EC and 2001/16/EC on the interoperability of the High Speed and
th
Conventional rail systems within the Community will therefore be repealed with effect from 19 July 2010.

At this date the harmonised standards for the railway field will have to refer to the new Directive.

In order to fulfil this requirement, it has been decided to produce Amendments for the ENs that will not have
undergone the revision process by the date of the repeal.

This document gives the necessary elements that have been identified by the CEN Consultants for the
amendment of EN 15612:2008.
1 Modification to the Contents
Replace the entry for Annex ZA with the following:
"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)"
Delete the entry for Annex ZB.

2 Modification to the Foreword
Replace paragraphs 4 and 5 with the following:
"This document has been prepared under a mandate given to CEN/CENELEC/ETSI by the European
Commission and the European Free Trade Association, and supports essential requirements of EU Directive
2008/57/EC.
For relationship with EU Directive 2008/57/EC, see informative Annex ZA, which is an integral part of this
document."
3 Modification to Annex ZA
Replace Annex ZA with the following:
"
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 Commun
...