SIST EN 12259-3:2001/A2:2006

SLOVENSKI STANDARD
01-april-2006
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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
...