EN 12259-3:2000/A2:2005

Fixed firefighting systems - Components for sprinkler and water spray systems - Part 3: Dry alarm valve assemblies

Modification to tolerances to allow alarm valves not in conformance to EN 12259-3 to come within the requirements of the standard.

Ortsfeste Löschanlagen - Bauteile für Sprinkler- und Sprühwasseranlagen - Teil 3: Trockenalarmventile mit Zubehör

Installations fixes de lutte contre l'incendie - Composants des systèmes d'extinction du type sprinkleur et à pulvérisation d'eau - Partie 3 : Systèmes de clapet d'alarme sous air

Vgrajene naprave za gašenje – Sestavni deli sprinklerskih sistemov in sistemov s pršečo vodo – 3. del: Suhi alarmni ventili

General Information

• Status: Published
• Publication Date: 22-Nov-2005
• Withdrawal Date: 30-Aug-2007
• ICS: 13.220.20 - Fire protection
• ICS: 13.320 - Alarm and warning systems
• Technical Committee: CEN/TC 191 - Fixed firefighting systems
• Drafting Committee: CEN/TC 191/WG 5 - Sprinkler systems
• Current Stage: 6060 - Definitive text made available (DAV) - Publishing
• Start Date: 23-Nov-2005
• Due Date: 28-Sep-2006
• Completion Date: 23-Nov-2005
• Directive: 305/2011 - Regulation (eu) No 305/2011 of the European Parliament and of the Council of 9 march 2011 laying down harmonised conditions for the marketing of construction products and repealing council directive 89/106/eec
• Directive: 89/106/EEC - Construction products
• Mandate: M/109 - Mandate to CEN/CENELEC concerning the execution of standardization work for harmonized standards on fire alarm/detection, fixed firefighting, fire and smoke control and explosion suppression products
• Ref Project: SIST EN 12259-3:2001/A2:2006 - Fixed firefighting systems - Components for sprinkler and water spray systems - Part 3: Dry alarm valve assemblies

Relations

• Amends: EN 12259-3:2000 - Fixed firefighting systems - Components for automatic sprinkler and water spray systems - Part 3: Dry alarm valve assemblies
• Effective Date: 22-Dec-2008

Overview

EN 12259-3:2000/A2:2005 is a European standard developed by CEN focusing on fixed firefighting systems, specifically the components used in sprinkler and water spray systems. This part of the standard covers dry alarm valve assemblies, which play a critical role in fire protection by controlling the flow and signaling in dry pipe sprinkler systems.

The amendment A2:2005 introduces important modifications to the standard’s construction and performance tolerances, allowing certain alarm valves that previously did not fully conform to EN 12259-3 to now meet the standard’s requirements. These updates enhance product consistency and safety across European markets.

Key Topics

• Valve Body and Cover Materials:
  Bodies and covers must be constructed from durable materials such as cast iron, bronze, brass, monel metal, stainless steel, titanium, or their equivalents. Fasteners must have compatible physical and mechanical properties to ensure robustness and corrosion resistance.

• Tolerance Adjustments:
  The amendment refines clearances and tolerances within the alarm valve assemblies, including:

  • Radial clearances between sealing assemblies and valve bodies
  • Diametrical clearances between seat rings and sealing components
  • Axial clearances for hinge mechanisms

  These precise adjustments guarantee reliable valve operation under various conditions.

• Quick Opening Device Requirements:
  Strength and leak resistance of fasteners under specific pressure loads are defined, with pressure gauge connection mandates for quick opening devices. This ensures prompt activation and effective water delivery during fire events.

• Marking Standards:
  Minimum dimensions and specifications for marking characters on valves and devices are detailed to facilitate identification, traceability, and compliance verification.

• Salt Mist Corrosion Testing (Annex M):
  A rigorous salt mist corrosion test simulates harsh environmental exposures to verify material resistance. Valves must maintain functional integrity after exposure, followed by operational testing to uphold safety standards.

Applications

EN 12259-3:2000/A2:2005 is relevant for manufacturers, installers, and inspectors involved with fixed firefighting systems, especially dry pipe sprinkler systems that utilize dry alarm valve assemblies. The standard supports the following:

• Fire Protection System Design
  Ensures components meet mechanical, performance, and durability criteria essential for reliable fire suppression.

• Quality Control and Manufacturing
  Guidance on materials, clearances, and performance tests assists manufacturers in producing compliant dry alarm valves.

• Installation and Maintenance
  Provides clarity on valve dimensions and pressure testing to support proper installation and routine inspections for long-term safety.

• Regulatory Compliance
  Aligns with EU directives affecting fire safety equipment, aiding manufacturers in harmonizing products across member countries.

Related Standards

• EN 12259-1, -2, and -4:
  Cover other components of fixed firefighting systems including wet alarm valve assemblies and alternative valve types for sprinklers and water spray systems.

• ISO 898 Series:
  Standards on mechanical properties of fasteners referenced for tensile strength requirements in valve assemblies.

• EU Fire Safety Directives:
  EN 12259-3 supports compliance with essential requirements laid out in various European regulations related to fire safety and equipment interoperability.

---

By adhering to EN 12259-3:2000/A2:2005, stakeholders ensure that dry alarm valve assemblies used in firefighting sprinkler and water spray systems maintain high reliability, corrosion resistance, and operational integrity-critical factors for life and property protection in fire emergencies. This standard forms a key part of the European fire safety infrastructure and promotes harmonized quality and safety levels across nations.

Standards Content (Sample)

SLOVENSKI STANDARD
01-april-2006
9JUDMHQHQDSUDYH]DJDãHQMH±6HVWDYQLGHOLVSULQNOHUVNLKVLVWHPRYLQVLVWHPRYV
SUãHþRYRGR±GHO6XKLDODUPQLYHQWLOL
Fixed firefighting systems - Components for sprinkler and water spray systems - Part 3:
Dry alarm valve assemblies
Ortsfeste Löschanlagen - Bauteile für Sprinkler- und Sprühwasseranlagen - Teil 3:
Trockenalarmventile mit Zubehör
Installations fixes de lutte contre l'incendie - Composants des systemes d'extinction du
type sprinkleur et a pulvérisation d'eau - Partie 3 : Systemes de clapet d'alarme sous air
Ta slovenski standard je istoveten z: EN 12259-3:2000/A2:2005
ICS:
13.220.10 Gašenje požara Fire-fighting
13.320 Alarmni in opozorilni sistemi Alarm and warning systems
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
EN 12259-3:2000/A2
NORME EUROPÉENNE
EUROPÄISCHE NORM
November 2005
ICS 13.220.20; 13.320
English Version
Fixed firefighting systems - Components for sprinkler and water
spray systems - Part 3: Dry alarm valve assemblies
Installations fixes de lutte contre l'incendie - Composants Ortsfeste Löschanlagen - Bauteile für Sprinkler- und
des systèmes d'extinction du type sprinkleur et à Sprühwasseranlagen - Teil 3: Trockenalarmventile mit
pulvérisation d'eau - Partie 3 : Systèmes de clapet d'alarme Zubehör
sous air
This amendment A2 modifies the European Standard EN 12259-3:2000; it was approved by CEN on 19 October 2005.
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. Up-to-date lists and bibliographical references concerning such
national standards may be obtained on application to the Central Secretariat or to any CEN member.
This amendment 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 Central Secretariat has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,
Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia,
Slovenia, Spain, Sweden, Switzerland and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: rue de Stassart, 36  B-1050 Brussels
© 2005 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 12259-3:2000/A2:2005: E
worldwide for CEN national Members.

Contents Page
2 Normative references .4
4 Dry alarm valve assembly construction and performance .4
4.4 Body and cover .4
4.9 Clearances.4
5 Quick opening device construction and performance.6
5.3.2 Strength and leak resistances .6
5.4 Connections .6

5.5 Components .6
6 Marking .6
6.1 General .6
Annex M (normative) Salt mist corrosion test .8
M.1 Reagents.8
M.2 Apparatus .8
M.3 Procedure .8

Foreword
This European Standard (EN 12259-3:2000/A2:2005) has been prepared by Technical Committee
CEN/TC 191 “Fixed firefighting systems”, the secretariat of which is held by BSI.
This Amendment to the European Standard EN 12259-3:2000 shall be given the status of a national standard,
either by publication of an identical text or by endorsement, at the latest by May 2006, and conflicting national
standards shall be withdrawn at the latest by August 2007.
This European Standard 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 European
Standard.
According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following
countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic,
Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland
and United Kingdom.
2 Normative references
Delete the following references:
ISO 7-1, Pipe threads where pressure-tight joints are made on the threads – Part 1: Dimensions, tolerances
and designation.
ISO 228-1, Pipe threads where pressure-tight joints are not made on the threads – Part 1: Designations,
dimensions and tolerances.
4 Dry alarm valve assembly construction and performance
4.4 Body and cover
Replace 4.4.1.1 with the following text:
4.4.1.1 The body and any cover shall be made of cast iron, bronze, brass, monel metal, stainless steel,
titanium or other materials with equivalent physical and mechanical properties.
Insert new subclause 4.4.1.2 as follows and renumber the old 4.4.1.2 as a new subclause 4.4.1.3:
4.4.1.2 Cover fasteners shall be made of steel, stainless steel, titanium or other materials with equivalent
physical and mechanical properties.
Replace 4.4.3.2 with the following text:
4.4.3.2 The normal design load of any fastener, excluding the force required to compress the gasket, shall not
exceed the minimum tensile strength specified in EN ISO 898-1 and ISO 898-2 or other appropriate European
Standards for materials not covered by ISO 898, when the dry alarm valve is pressurised to four time
...

SLOVENSKI STANDARD
01-april-2006
Vgrajene naprave za gašenje – Sestavni deli sprinklerskih sistemov in sistemov s
pršečo vodo – 3. del: Suhi alarmni ventili
Fixed firefighting systems - Components for sprinkler and water spray systems - Part 3:
Dry alarm valve assemblies
Ortsfeste Löschanlagen - Bauteile für Sprinkler- und Sprühwasseranlagen - Teil 3:
Trockenalarmventile mit Zubehör
Installations fixes de lutte contre l'incendie - Composants des systemes d'extinction du
type sprinkleur et a pulvérisation d'eau - Partie 3 : Systemes de clapet d'alarme sous air
Ta slovenski standard je istoveten z: EN 12259-3:2000/A2:2005
ICS:
13.220.10 Gašenje požara Fire-fighting
13.320 Alarmni in opozorilni sistemi Alarm and warning systems
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
FINAL DRAFT
EN 12259-3:2000
NORME EUROPÉENNE
EUROPÄISCHE NORM
prA1
June 2005
ICS 13.220.20
English version
Fixed firefighting systems - Components for sprinkler and water
spray systems - Part 3: Dry alarm valve assemblies
Installations fixes de lutte contre l'incendie - Composants Ortsfeste Löschanlagen - Bauteile für Sprinkler- und
des systèmes d'extinction du type sprinkleur et à Sprühwasseranlagen - Teil 3: Trockenalarmventile mit
pulvérisation d'eau - Partie 3 : Systèmes de clapet d'alarme Zubehör
sous air
This draft amendment is submitted to CEN members for unique acceptance procedure. It has been drawn up by the Technical Committee
CEN/TC 191.
This draft amendment A1, if approved, will modify the European Standard EN 12259-3:2000. 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 Management Centre has the same status
as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,
Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, 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: rue de Stassart, 36  B-1050 Brussels
© 2005 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 12259-3:2000/prA1:2005: E
worldwide for CEN national Members.

EN 12259-3:2000/prA2:2005 (E)
Contents Page
Foreword.3
2 Normative references .4
4 Dry alarm valve assembly construction and performance .4
4.4 Body and cover.4
4.9 Clearances.4
5 Quick opening device construction and performance .6
5.3.2 Strength and leak resistances.6
5.4 Connections .6
5.5 Components.6
6 Marking .6
6.1 General.6
Annex M (normative) Salt mist corrosion test .8
M.1 Reagents.8
M.2 Apparatus .8
M.3 Procedure .8

EN 12259-3:2000/prA2:2005 (E)
Foreword
This European Standard (EN 12259-3:2000/prA2:2005) has been prepared by Technical Committee
CEN/TC 191 “Fixed firefighting systems”, the secretariat of which is held by BSI.
This European Standard is currently submitted to the Unique Acceptance Procedure.
This European Standard 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 European
Standard.
EN 12259-3:2000/prA2:2005 (E)
2 Normative references
Delete the following references:
ISO 7-1, Pipe threads where pressure-tight joints are made on the threads – Part 1: Dimensions, tolerances
and designation.
ISO 228-1, Pipe threads where pressure-tight joints are not made on the threads – Part 1: Designations,
dimensions and tolerances.
4 Dry alarm valve assembly construction and performance
4.4 Body and cover
Replace 4.4.1.1 with the following text:
4.4.1.1 The body and any cover shall be made of cast iron, bronze, brass, monel metal, stainless steel,
titanium or other materials with equivalent physical and mechanical properties.
Insert new subclause 4.4.1.2 as follows and renumber the old 4.4.1.2 as a new subclause 4.4.1.3:
4.4.1.2 Cover fasteners shall be made of steel, stainless steel, titanium or other materials with equivalent
physical and mechanical properties.
Replace 4.4.3.2 with the following text:
4.4.3.2 The normal design load of any fastener, excluding the force required to compress the gasket, shall not
exceed the minimum tensile strength specified in EN ISO 898-1 and ISO 898-2 or other appropriate standards
for materials not covered by ISO 898, when the dry alarm valve is pressurised to four times the rated working
pressure. The area of the application of pressure shall be calculated as follows:
a) if a full-
...