1、BRITISH STANDARDBS EN 12259-2:1999 Incorporating Amendments Nos. 1, 2 and CorrigendumNo. 1Fixed firefighting systems Components for sprinkler and water spray systems Part 2: Wet alarm valve assembliesThe European Standard EN 12259-2:1999, with the incorporation of Amendments A1:2001 and A2:2005, has
2、 the status of a British StandardICS 13.220.20g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 12259-2:1999This British Standard, having been p
3、repared under the direction of the Health and Environment Sector Policy and Strategy Committee, was published under the authority of the Standards Policy and Strategy Committee on 15 September 1999 BSI 2006ISBN 0 580 32943 7National forewordThis British Standard is the official English language vers
4、ion of EN 12259-2:1999, including amendments A1:2001 and A2:2005.The start and finish of text introduced or altered by amendment is indicated in the text by tags !“. Tags indicating changes to CEN text carry the number of the CEN amendment. For example, text altered by CEN amendment A1 is indicated
5、by !“.This European Standard is the subject to transitional arrangements agreed under a Commission mandate which is intended to lead to CE marking in support of the Construction Products Directive. In order to allow for any changes in national regulations, the Member States have agreed a transition
6、period.This period (date of applicability) started with an announcement in the Official Journal of the European Communities(OJ) on 1 January 2002. The transition period will end on 1 January 2003.The UK participation in its preparation was entrusted by Technical Committee FSH/18, Fixed firefighting
7、systems, to Subcommittee FSH/18/2, Sprinklers, which has the responsibility to: A list of organizations represented on this subcommittee can be obtained on request to its secretary.Cross-referencesThe British Standards which implement international or European publications referred to in this docume
8、nt may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online.This publication does not purport to include all the necessary provisions of a contract. Us
9、ers are responsible for its correct application.Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change
10、, and keep UK interests informed; monitor related international and European developments and promulgate them in the UK.Summary of pagesThis document comprises a front cover, an inside front cover, the EN title page, pages 2 to 33 and a back cover.The BSI copyright date displayed in this document in
11、dicates when the document was last issued.Sidelining in this document indicates the most recent changes by amendment.Amendments issued since publicationAmd. No. Date Comments12025 21 December 2001 Indicated by a sideline13884 Corrigendum No. 124 October 2002 Revision of national foreword16359 31 May
12、 2006 See national forewordEUROPEAN STANDARD EN 12259-2NORME EUROPENNEEUROPISCHE NORMJune 1999+ A1February 2001ICS 13.220.20English versionFixed firefighting systems Components for sprinkler and water spray systems Part 2: Wet alarm valve assemblies(includes amendments A1:2001 and A2:2005)Installati
13、ons fixes de lutte contre lincendie Composants des systmes dextinction du typesprinkler et pulvrisation deau Partie 2: Systmes de soupape dalarme hydraulique(inclut les amendements A1:2001 et A2:2005)Ortsfeste Lschanlagen Bauteile fr Sprinkler- undSprhwasseranlagen Teil 2: Naalarmventil mit Zubehr(e
14、nthlt nderungen A1:2001 und A2:2005)This European Standard was approved by CEN on 2 October 1997. Amendment A1:2001 was approved by CENon 20 January 2001 and amendment A2:2005 was approved by CEN on 19 October 2005.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipu
15、late theconditions for giving this European Standard the status of a national standard without any alteration. Up-to-datelists and bibliographical references concerning such national standards may be obtained on application to theCentral Secretariat or to any CEN member.This European Standard exists
16、 in three official versions (English, French, German). A version in any otherlanguage made by translation under the responsibility of a CEN member into its own language and notified to theCentral Secretariat has the same status as the official versions.CEN members are the national standards bodies o
17、f Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta,Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.CENEuropean Committee for Standardiza
18、tionComit Europen de NormalisationEuropisches Komitee fr NormungCentral Secretariat: rue de Stassart, 36 B-1050 Brussels 1999 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN nationalMembers.Ref. No. EN 12259-2:1999 + A1:2001 + A2November 2005+ A2:2005 E Finland
19、,ContentsPageForeword1 Scope2 Normative references3 Definitions4 Wet alarm valve assembly construction and performance5 Retard chamber construction and performance6 Marking7 Instructions for fitting and operation8 Evaluation of conformityAnnex A (normative) Fire exposure test for body and coverAnnex
20、 B (normative) Strength test for body and coverAnnex C (normative) Performance testsAnnex D (normative) Fatigue test for springs and diaphragmsAnnex E (normative) Endurance testsAnnex F (normative) Resistance to ageing test for non-metallic components(excluding gaskets and seals)Annex G (normative)
21、Resistance to adhesion test for sealing assembly elementsAnnex H (normative) Determination of pressure loss due to hydraulic friction lossAnnex I (normative) Leakage resistance testAnnex J (normative) Strength test for retard chambersAnnex K (informative) Typical testing schedule and example of test
22、 specimen numbersfor wet alarm valve assemblies and retard chambers (only for conventional design)Annex L (informative) Recommendations for type approval testingAnnex M (informative) Attestation of conformityAnnex ZA (informative) Clauses of this European Standard addressing theprovisions of the EU
23、Construction Products DirectiveBibliographyAnnex N (normative) Salt mist corrosion test BSI 2006Page 2EN 12259-2:1999366681314151517191922222324242425262728293328 ForewordThis European Standard has been prepared by Technical Committee CEN/TC 191, Fixed firefighting systems,the Secretariat of which i
24、s held by BSI.This European Standard shall be given the status of a national standard, either by publication of an identical textor by endorsement, at the latest by December 1999, and conflicting national standards shall be withdrawn at thelatest by December 1999.This European Standard has been prep
25、ared under a mandate given to CEN by the European Commission and theEuropean Free Trade Association, and supports essential requirements of EU Directive(s).According to the CEN/CENELEC Internal Regulations, the national standards organizations of the followingcountries are bound to implement this Eu
26、ropean Standard: Austria, Belgium, Czech Republic, Denmark, Finland,France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden,Switzerland and the United Kingdom.It forms one part of EN 12259, covering components for automatic sprinkler systems and is
27、included in a seriesof European Standards planned to cover:a) automatic sprinkler systems (EN 12259);b) gas extinguishing systems (EN 12094 and EN ISO 14520);c) powder systems (prEN 12416);d) explosion protection systems (EN 26184);e) foam systems1);f) halon systems1);g) hydrant and hose reel system
28、s (EN 671);h) smoke and heat control systems (EN 12101);i) water spray systems1).EN 12259 has the general title Fixed firefighting systems Components for sprinkler and water spray systemsand will be subdivided as follows:Part 1: Sprinklers;Part 2: Wet alarm valve assemblies;Part 3: Dry alarm valve a
29、ssemblies;Part 4: Water motor alarms;Part 5: Water flow detectors;Part 6: Pipe couplings;Part 7: Pipe hangers;Part 8: Pressure switches;Part 9: Deluge alarm valve assemblies;Part 10: Multiple controls;Part 11: Medium and high velocity water sprayers;Part 12: Pump sets.Users should note that standard
30、s undergo revision from time to time and that any reference made herein to anyother European or International Standard implies its latest edition, unless otherwise stated.This standard is to be entrusted for use to qualified and experienced organizations.1) In preparation. BSI 2006Page 3EN 12259-2:1
31、999Foreword to amendment 1This amendment EN 12259-2:1999/A1:2001 to the EN 12259-2:1999 has been prepared by TechnicalCommittee CEN/TC 191, Fixed fire fighting systems, the Secretariat of which is held by BSI.This document is currently submitted to the Unique Acceptance Procedure.This amendment to t
32、he European Standard EN 12259-2:1999 has been prepared under a mandate given to CENby the European Commission and the European Free Trade Association, and supports essential requirements ofEU Directive(s).For relationship with EU Directive(s), see informative annex ZA, which is an integral part of t
33、his standard.It forms one part of EN 12259, covering components for automatic sprinkler systems and is included in a seriesof European Standards planned to cover:a) automatic sprinkler systems (EN 12259 b) gaseous extinguishing systems (EN 12094)1;c) powder systems (EN 12416)1);d) explosion protecti
34、on systems (EN 26184);e) foam systems (EN 13565);f) hydrant and hose reel systems (EN 671);g) smoke and heat control systems (EN 12101)1;h) water spray systems1.EN 12259 has the general title, Fixed fire fighting systems Components for sprinkler and water spraysystems, and will subdivided as follows
35、:Part 1: Sprinklers;Part 2: Wet alarm valve assemblies;Part 3: Dry alarm valve assemblies;Part 4: Water motor alarms;Part 5: Water flow detectors;Part 6: Pipe couplings;Part 7: Pipe hangers;Part 8: Pressure switches;Part 9: Deluge alarm valve assemblies;Part 10: Multiple controls;Part 11: Medium and
36、 high velocity water sprayers;Part 12: Sprinkler pump sets. BSI 2006Page 4EN 12259-2:1999Foreword to amendment 2 This European Standard (EN 12259-2:1999/A2:2005) has been prepared by Technical Committee CEN/TC 191 “Fixed firefighting systems”, the secretariat of which is held by BSI. This Amendment
37、to the European Standard EN 12259-2:1999 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 prep
38、ared 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/CEN
39、ELEC 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, Mal
40、ta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. BSI 2006Page 5EN 12259-2:19991 ScopeThis standard specifies requirements for constructions and performance of wet alarm valve assemblies and retardchambers used in automatic sprinkler system
41、s. Auxiliary components and attachments to wet alarm valveassemblies and retard chambers are not covered by this standard.NOTE All pressure data in this European standard are given as gauge pressure in bar.2)2 Normative referencesThis European Standard incorporates by dated or undated reference, pro
42、visions from other publications. Thesenormative references are cited at the appropriate places in the text and the publications are listed hereafter. Fordated references, subsequent amendments to or revisions of any of these publications apply to this EuropeanStandard only when incorporated in it by
43、 amendment or revision. For undated references the latest edition of thepublication referred to applies.ISO 898-1:1988, Mechanical properties of fasteners Part 1: Bolts, screws and studs.ISO 898-2:1992, Mechanical properties of fasteners Part 2: Nuts with specified proof load values.3 DefinitionsFor
44、 the purposes of this standard, the following definitions apply.3.1alarm devicemechanical or electrical device to sound an alarm on operation of the wet alarm valve3.2clappertype of sealing assembly (see 3.12)3.3compensatorexternal or internal device to minimize false alarms caused by small increase
45、 of service pressure3.4differential pressure ratioratio of service pressure to installation pressure at the trip point (see 3.18)3.5flow velocitywater velocity through a pipe of the same nominal size as the wet alarm valve at the same flow rate3.6installation pressurestatic water pressure at the mai
46、n outlet of the wet alarm valve when the valve is in the ready condition2) bar = 105Pa.!Text deleted“ BSI 2006Page 6EN 12259-2:19993.7rated working pressuremaximum service pressure (see 3.15) at which the wet alarm valve or retard chamber is intended to operate3.8ready conditionstate of the wet alar
47、m valve in a sprinkler installation filled with water from a water supply of stable pressure,when there is no water flow from any outlet downstream from the sealing assembly3.9reinforced elastomeric elementelement of a clapper, clapper assembly or seat seals made of an elastomeric compound with one
48、or more othercomponents that increase the tensile strength of the combination to at least twice that of the elastomeric materialalone3.10retard chambervolumetric device to minimize false alarms caused by surges and fluctuations in water supplies3.11retard timedifference in times between the passage
49、of water through the wet alarm valve port and the actuation of the alarmdevice, measured with and without the retard chamber3.12sealing assemblymain movable sealing element of the wet alarm valve (such as a clapper)3.13sealing assembly seat ringmain fixed sealing element of the wet alarm valve3.14sensitivityminimum rate of flow to open the wet alarm valve, and operate the alarm (see 4.11.2)3.15service pressurestatic water pressure at the inlet to the wet alarm valve when the valve is in the ready condition3.16suppliercompany
