BS ISO 10294-2-1999 Fire-resistance tests Fire dampers for air distribution systems Classification criteria and field of application of test results《耐火试验 空气调节系统用防火阀 试验结果的分类 标准和应用领域.pdf

1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS ISO 10294-2:1999 ICS 1

2、3.220.50: 91.140.30 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Fire resistance tests Fire dampers for air distribution systems Part 2: Classification, criteria and field of application of test resultsThis British Standard, having been prepared under the direction of the H

3、ealth and Environment Sector Committee, was published under the authority of the Standards Committee and comes into effect on 15 November 1999 BSI 11-1999 ISBN 0 580 35280 3 BS ISO 10294-2:1999 Amendments issued since publication Amd. No. Date Comments National foreword This British Standard reprodu

4、ces verbatim ISO 10294-2:1999 and implements it as the UK national standard. The UK participation in its preparation was entrusted by Technical Committee FSH/22, Fire resistance tests, to Subcommittee FSH/22/4, Test procedures for dampers, which has the responsibility to: aid enquirers to understand

5、 the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this

6、subcommittee can be obtained on request to its secretary. Cross-references The British Standards which implement international publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using

7、the “Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity fr

8、om legal obligations. Summary of pages This document comprises a front cover, an inside front cover, the ISO title page, page ii, pages 1 to 4, an inside back cover and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued.A Referencenumbe r IS

9、O102942:1999 (E) INTERNATIONAL STANDARD ISO 102942 Firstedition 19990415 FireresistancetestsFiredampersforair distributionsystems Part2: Classification,criteriaandfieldofapplication oftestresults EssaisdersistanceaufeuClapetsrsistantaufeupoursystmesde distributiondair Partie2:Classification,critrese

10、tdomainedapplicationdesrsultats dessaiISO102942:1999(E) ii Foreword ISO (the InternationalOrganizationforStandardization)isaworldwidefederationofnationalstandardsbodies(ISO memberbodies).TheworkofpreparingInternationalStandardsisnormallycarriedoutthroughISOtechnical committees.Eachmemberbodyinterest

11、edinasubjectforwhichatechnicalcommitteehasbeenestablishedhas therighttoberepresentedonthatcommittee.Internationalorganizations,governmentalandnongovernmental,in liaisonwithISO,alsotakepartinthework.ISOcollaboratescloselywiththeInternationalElectrotechnical Commission(IEC)onallmattersofelectrotechnic

12、alstandardization. InternationalStandardsaredraftedinaccordancewiththerulesgivenintheISO/IECDirectives,Part3. DraftInternationalStandardsadoptedbythetechnicalcommitteesarecirculatedtoth ememberbodiesforvoting. PublicationasanInternationalStandardrequiresapprovalbyatleast75%ofthememberbodiescastingav

13、ote. InternationalStandardISO102942waspreparedbyTechnicalCommitteeISO/TC 92,Firesafety,Subcommittee SC2, Fireresistance . PreparationofthispartofISO 10294wasnecessarybecauseoftheneedtoprovideclassification,criteriaan d field of applicationforthetestmethodgiveninISO 102941:1996. ISO10294consistsofthe

14、followingparts,underthegeneraltitleFireresistancetestsFiredampersforair distributionsystems: Part1:Testmethod Part2:Classification,criteriaandfieldofapplicationoftestresults Part3:Guidanceonthetestmethod Part4:ThermalreleasemechanismtestINTERNATIONALSTANDARD ISO102942:1999(E) 1 FireresistancetestsFi

15、redampersforairdistributionsystems Part2: Classification,criteriaandfieldofapplicationoftestresults 1Scope ThispartofISO 10294providestheclassificationandappropriatecriteriaforthetestproceduredescribedin ISO102941:1996,fortheassessmentofafiredampertopreventthespreadoffirean dhotgasesfromone compartm

16、enttoanother.Italsospecifiesthesizeofthedamperstobetested. 2Normativereferences The followingnormativedocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsof thispartofISO 10294.Fordatedreferences,subsequentamendments to, or revisions of, any of these publications donotappl

17、y.However,partiestoagreementsbasedonthispartofISO 10294areencouragedtoinvestigatethe possibilityofapplyingthemostrecenteditionsofthenormativedocumentsindicatedbelow .Forundated references,thelatesteditionofthenormativedocumentreferredtoapplies.MembersofISOan dIECmaintain registersofcurrentlyvalidInt

18、ernationalStandards. ISO102941:1996 ,FireresistancetestsFiredampersforairdistributionsystemsPart2:Classification,criteria andfieldofapplicationoftestresults. ISO102943:1999 ,FireresistancetestsFiredampersforairdistributionsystemsPart3:Guidanceonthetest method. 3Classificationandcriteria Dependingont

19、heclassificationrequired,thesizeofthefiredamper tobetestedandthecriteriatobeappliedare giveninTable1.ISO102942:1999(E) 2 Table1Firetestperformancecriteria Classification a Sizetobetested Leakageatambient temperature m 3 /(h m 2 ) Firetest (Seeclause9ofISO102941:1996) (Seeclause8of ISO102941:1996) Le

20、akageli mited m 3 /(h m 2 ) Temperaturerise limit,C mean/max. Perimeter integrity b E max. notrequired 360 c notrequired GG/SF ES max. 200 200 c notrequired GG/SF min. 200 notrequired notrequired notrequired EI max. notrequired 360 c 140/180 CP/GG/SF EIS max. 200 200 c 140/180 CP/GG/SF min. 200 notr

21、equired notrequired notrequired Inrelationtothecriteriaforleakage(S),thevaluesgivenshallbesatisfiedinboththeambienttemperature(smallestdamp erand largestdamperintherange)andthefiretest(largestdamperintherange). NOTE1Themaximumtemperatureriselimit(18 0C)canbedeterminedatanyofthethermo couplesT 1 ,T 2

22、 andT s s (orthero ving thermocouplede scribedinIS O 8341)andthemean(a verage)temperatureri se(14 0 C)willbedetermine d from thermocouples T 2 .Locationsof thethermocouplesareshowninFigures3to8ofI SO 102941:1996. NOTE2Forthepurpo sesof calculatingcompliancewiththelea kagecriteriainthistable,theareao

23、fadampermaybeta kentobeth ecross sectionalareaoftheducttowhichthedamperisconnected. NOTE3Classificationofintegrityisa ccordingtowhetherornotthedamperis alsoclassifiedforinsulation.Wherea damperisclassifiedfor integrityEandin sulationI,theintegrityisthatdeterminedbywhi cheverofthethree criteriafailsf

24、ir st.Whereadamperi scl assifiedE but without anIclassification,theintegrityvalueisdefinedasthetimetofailureofonlythecracks/openingsorsustainedflamingcriteria,whicheverfailsfirst. a E istheintegrity(gasflowcorrectedto20C); I isthein sulation( seenote1); S isthelea kage classification( seenote2)(gasl

25、ea kage correctedto20C). b CP isthecottonpad(seenote3); GG is thegapgauge( see note 3); SF is the sustainedflaming( see note3 ). c Leakagelimitsonlyapplyafter5minfromthestartofthetest. 4Fieldofapplicationoftestresults 4.1Sizeoffiredamper IftheSclassificationisnotrequired,atestresultobtainedforthelar

26、gestfiredamperintherangeisapplicabletoall dampersofthesametype(includinganyaspectratio)providedthatthemaximumdimensionsd onotexceedthose testedandthatthecomponentsremaininthesameorientationasthattested. IftheSclassificationisrequired,anadditionalfiredamper,representingthesmallestsizeinth e range, sh

27、all satisfy the smokeleakagecriteriawhentestedaccordingtotheproceduredescribedinclause8ofISO102941:1996. 4.2Firedampersinstalledwithinstructuralopenings Atestresultobtainedforaninstalledfiredamperisonlyapplicabletodampersinstalle d in the same orientation as that tested(seealso6.1.2ofISO102943:1999)

28、. 4.3Firedampersmountedontothefaceofawallorfloor Atestresultobtainedforafiredamperinstalledontothefaceofawallorflooris onlyapplicabletodampersinstalled ontothefaceofaseparatingelementinthesameorientationasthattested(seealso6.1.4ofISO102943:1999). ISO102942:1999(E) 3 4.4Firedampersremotefromawallorfl

29、oor See6.1.5ofISO102943:1999. Atestresultobtainedforafiredamperremotefromawallorfloor(ofthesamefireresistanceasthedamper)is applicabletothefollowingdampers: a) formountingremotefromawallandattachedtoalengthofahorizontalfireresistingductworkwhentested remotefromawall(twotests,seeFigures7and8ofISO1029

30、41:1996); b) formountingremotefromafloorandattachedtoalengthofverticalfireresistingductworkonthesideabove thefloorwhentestedabovethefloor; c) formountingremotefromafloorandattachedtoalengtho fverticalfireresistingductworkonthesidebelow thefloorwhentestedbelowthefloor. 4.5Separationbetweenfiredampers

31、andbetweenfiredampersandconstructionelements Atestresultobtainedforonlyonefiredamperorfortwofiredamperswithaminimumclearseparationof20 0 mm betweenthedampersisapplicabletoaminimumseparation,inpractice,of: a) 200mmbetweendampersinstalledinseparateducts; b) 75mmbetweendamperandaconstructionelement(wal

32、l/floor). 4.6Supportingconstructions 4.6.1 Atestobtainedforafiredampermountedinoronthefaceofasupportingconstructionmadeofmasonry, concreteorhomogeneouspartition(withoutcontinuouscavity)isapplicablefor thesametypeofsupporting constructionwithathicknessanddensityequaltoorgreaterthanthoseofthesupportin

33、gconstructionusedinthe test. The test result can apply to cellular or hollowmasonryblocksorslabsthathaveafireresistancetimeequalto orgreaterthanthefireresistancerequiredforthefiredamperinstallation. 4.6.2 Ifaspecificsupportingconstructiondifferentfro mthosedescribedin6.5.2ofISO 102941:1996isselected

34、, thetestresultsobtainedareapplicableonlytothatspecificwall,partitionorfloorhavingathicknessand/ordensity greaterthanthattested.ISO102942:1999(E) 4 Bibliography ISO8341: 1) ,FireresistancetestsElementsofbuildingconstructionPart1:Generalrequirements . 1) Tobepublished.BS ISO 10294-2:1999 BSI 389 Chis

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