1、BRITISH STANDARD BS EN 13794:2002 Respiratory protective devices Self-contained closed-circuit breathing apparatus for escape Requirements, testing, marking The European Standard EN 13794:2002 has the status of a British Standard ICS 13.340.30 BS EN 13794:2002 This British Standard, having been prep
2、ared 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 26 November 2002 BSI 26 November 2002 ISBN 0 580 40828 0 National foreword This British Standard is the official English la
3、nguage version of EN 13794:2002. It supersedes BS EN 400:1993, BS EN 401:1993 and BS EN 1061:1997 which are withdrawn. The UK participation in its preparation was entrusted by Technical Committee PH/4, Respiratory protection, to Subcommittee PH/4/6, Self-contained breathing apparatus, which has the
4、responsibility to: A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section enti
5、tled “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. Users are responsible for its correct application. Complianc
6、e 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, and keep the UK interests informed; monitor related int
7、ernational and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 35 and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendme
8、nts issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN13794 November2002 ICS 13.340.30 SupersedesEN400:1993,EN401:1993and EN1061:1996 Englishversion RespiratoryprotectivedevicesSelfcontainedclosedcircuit breathingapparatusforescapeRequirements,testing, m
9、arking AppareilsdeprotectionrespiratoireAppareilsde protectionrespiratoireisolantsautonomescircuitferm pourlvacuationExigences,essais,marquage AtemschutzgerteIsoliergertefrSelbstrettung Anforderungen,Prfung,Kennzeichnung ThisEuropeanStandardwasapprovedbyCENon9September2002. CENmembersareboundtocompl
10、ywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStan
11、dardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,De
12、nmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2002CEN Allrigh
13、tsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN13794:2002EEN13794:2002(E) 2 Contents page Foreword4 Introduction .5 1 Scope 5 2 Normativereferences 5 3 Termsanddefinitions. .6 4 Description .6 5 Classification6 5.1 General6 5.2 Typesofoxygenescapeapparatus .6
14、 5.3 Classesofoxygenescapeapparatus 6 6 Requirements .7 6.1 General7 6.2 Design .7 6.3 Materials7 6.4 Cleaninganddisinfecting . 8 6.5 Mass 8 6.6 Connections(couplings). 8 6.7 Harness.8 6.8 Handling8 6.9 Leaktightness.9 6.10 Facepiece9 6.11 Goggles.9 6.12 Inhalationandexhalationvalves. .10 6.13 Relie
15、fvalve . 10 6.13.1 General10 6.13.2 Openingpressure . .10 6.13.3 Tensileforce .10 6.14 Breathingbag .10 6.15 Flexiblehose(s)(iffitted) . .11 6.16 Mechanicalstrength 11 6.17 Resistancetotemperature 11 6.17.1 Conditioning.11 6.17.2 Performance .11 6.18 Flammability .11 6.19 Performance .12 6.19.1 Rate
16、dworkingduration. 12 6.19.2 Oxygencontent. .12 6.19.3 Carbondioxidecontent. 12 6.19.4 Temperatureandhumidity. .12 6.19.5 Breathingresistance . 12 6.20 Surfacetemperature 13 6.21 Practicalperformance .13 6.22 SpecificrequirementsforescapeapparatusCtype 13 6.23 SpecificrequirementsforescapeapparatusDt
17、ype 13 6.23.1 Protectionagainstparticulatematter 13 6.23.2 Highandmediumpressureparts. 13 6.23.3 High,mediumandlowpressureconnections 14 6.23.4 Gascontainers . 14EN13794:2002(E) 3 6.23.5 Gascontainerseal. 14 6.23.6 Gascontainersealconnection .14 6.23.7 Pressurereducer . 14 6.23.8 Pressureindicator .
18、 14 6.23.9 Oxygensupply .15 6.24 SpecificrequirementsforescapeapparatusKtype 15 6.24.1 Leaktightness.15 6.24.2 Oxygensupply .15 7 Testing 16 7.1 General16 7.2 Nominalvaluesandtolerances. .16 7.3 Visualinspection . 16 7.4 Insulationresistanceofnonmetalliccarryingcontainers. .16 7.5 Leaktightness.16 7
19、.5.1 Leaktightnessofthecarryingcontainer . 16 7.5.2 Leaktightnessofthereadyforuseapparatus .17 7.6 Mechanicalstrength . .17 7.6.1 Shock 17 7.6.2 Vibration .17 7.7 Openingpressureofthereliefvalve 17 7.8 Breathingbag. 17 7.9 Resistancetotemperature. .17 7.9.1 Conditioning.17 7.9.2 Temperaturetestsat5C
20、and+60C. 18 7.9.3 Lowtemperaturepracticalperformancetest 18 7.10 Laboratoryperformancetests. .18 7.10.1 Generalperformance .18 7.10.2 Performanceat70l/min 19 7.11 Surfacetemperature 19 7.12 Breathingresistance . 20 7.13 Tensileforce .20 7.14 Oxygensupply .20 7.15 Cleaninganddisinfecting .20 7.16 Pra
21、cticalperformance .20 7.16.1 General20 7.16.2 Escapetests. 20 7.16.3 Testatrest. .21 8 Marking .21 9 Informationsuppliedbythemanufacturer 22 AnnexA (normative) Additionalrequirementsforapparatusdesignedforundergrounduse.29 AnnexB (normative) Methodsofmeasurementoftheinsulationresistanceofthecarrying
22、container.30 AnnexC (normative)Trainingapparatus 32 AnnexD (informative) Marking 34 AnnexZA (informative) ClausesofthisEuropeanStandardaddressingessentialrequirementsor otherprovisionsofEUDirectives 35EN13794:2002(E) 4 Foreword Thisdocument(EN13794:2002)hasbeenpreparedbyTechnicalCommitteeCEN/TC79“Re
23、spiratoryprotective devices“,thesecretariatofwhichisheldbyDIN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbyMay2003,andconflictingnationalstandardsshallbewithdrawnatthelatestby May2003. ThisdocumentsupersedesEN400:1993
24、,EN401:1993andEN1061:1996. ThisdocumenthasbeenpreparedunderamandategiventoCENbytheEuropeanCommissionandtheEuropean FreeTradeAssociation,andsupportsessentialrequirementsofEUDirective89/686/EEC. ForrelationshipwithEUDirective89/686/EEC,seeinformativeAnnexZA,whichisanintegralpartofthis document. Theann
25、exesA,BandCarenormative,annexDisinformative. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Malta,Nethe
26、rlands,Norway,Portugal,Spain, Sweden,SwitzerlandandtheUnitedKingdom.EN13794:2002(E) 5 Introduction Agivenrespiratoryprotectivedevicecanonlybeapprovedwhentheindividualcomponentssatisfythe requirementsofthetestspecificationwhichmaybeacompletestandardorpartofastandardandpractical performancetestshavebe
27、encarriedoutsuccessfullyoncompleteapparatuswherespecifiedintheappropriate standard.Ifforanyreasonacompleteapparatusisnottestedthensimulationoftheapparatusispermitted providedtherespiratorycharacteristicsandmassdistributionaresimilartothoseofthecompleteapparatus. 1Scope ThisEuropeanStandardspecifiesm
28、inimumrequirementsforselfcontainedclosedcircuitbreathingapparatus, chemicaloxygen(KO 2 ,NaClO 3 )typeandcompressedoxygentype,forescape(short:oxygenescapeapparatus). ThisEuropeanStandarddoesnotapplytoapparatusforworkandrescueandtodivingapparatus. Laboratoryandpracticalperformancetestsareincludedforth
29、eassessmentofcompliancewiththerequirements. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications.These normativereferencesarecitedattheappropriateplacesinthetext,andthepublicationsarelistedhereafter.For datedreferences,subsequentamendmentsto
30、orrevisionsofanyofthesepublicationsapplytothisEuropean Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthe publicationreferredtoapplies(includingamendments). EN132, RespiratoryprotectivedevicesDefinitionsoftermsandpictograms. EN134, Respiratoryprotectivede
31、vicesNomenclatureofcomponents. EN136:1998, RespiratoryprotectivedevicesFullfacemasksRequirements,testing,marking. EN166:1995, PersonaleyeprotectionSpecifications. EN168:1995, PersonaleyeprotectionNonopticaltestmethods. EN132741, RespiratoryprotectivedevicesMethodsoftestPart1:Determinationofinwardlea
32、kageandtotal inwardleakage. EN132742, RespiratoryprotectivedevicesMethodsoftestPart2:Practicalperformancetests. EN132743, RespiratoryprotectivedevicesMethodsoftestPart3:Determinationofbreathingresistance. EN132744, RespiratoryprotectivedevicesMethodsoftestPart4:Flametests. EN132745, Respiratoryprote
33、ctivedevicesMethodsoftestPart5:Climaticconditions.EN13794:2002(E) 6 3 Termsanddefinitions ForthepurposeofthisEuropeanStandard,thetermsanddefinitionsgiveninEN132andthenomenclaturegiven inEN134togetherwiththefollowingapply. 3.1 quickstartsystem mechanismwhichactivatestheoxygengeneration/flowwhilstopen
34、ingthestoragecontainerorbypullingthe facepiece 4Description Anoxygenescapeapparatusisdesignedandconstructedsothatexhaledbreathinggasisductedfromthe facepieceintoacircuitwhichcontainsacartridgeandabreathingbagwhereitisavailableforrebreathing.The cartridgecontainschemicalswhichabsorbexhaledcarbondioxi
35、deandincaseofaKO 2 apparatushumidityand generatesalsooxygen. IncaseofaNaClO 3 apparatusachemicaloxygensource(NaClO 3 candle)generatestheoxygentobeneeded. Incaseofacompressedoxygenapparatusoxygenisfedintothecircuitatasuitablepointbymeansofaconstant flowdeviceorbyalunggoverneddemandvalveorbyasuitablec
36、ombinationofboth. Thebreathinggasflowmaybeofthependulumorlooptypeandexcessgasisejectedviaareliefvalve. 5Classification 5.1General Oxygenescapeapparatusareclassifiedaccordingtotheiroxygensourceandratedworkingdurationintypesand classes. 5.2 Typesofoxygenescapeapparatus Type C NaClO 3 apparatus; TypeD
37、Compressedoxygenapparatus; Type K KO 2 apparatus. 5.3 Classesofoxygenescapeapparatus Oxygenescapeapparatusareclassifiedaccordingtotheratedworkingduration(see6.19.1)whichisdefinedby performingabreathingmachinetestinaccordancewith7.10.1withaminutevolumeof35l/min (20cycles/min;1,75l/stroke). Ratedworki
38、ngdurationwillbedefinedinincrementsof5minuptoandincludingadurationof30minand thereafterinstepsof10min.EN13794:2002(E) 7 6Requirements 6.1General Alltestspecimensshallmeetallrequirements. 6.2Design Theapparatusshallbeofreliableconstructionandascompactaspossible. Theapparatusshallbedesignedsoasnottoin
39、terferewithworkactivitieswhencarriedoutinaccordancewiththe manufacturersinstruction. Theapparatusshallbesodesignedthattherearenoprotrudingpartsorsharpedgeslikelytobecaughton projectionsinnarrowpassages. Thesurfaceofanypartoftheapparatuslikelytobeincontactwiththewearershallbefreefromsharpedgesand bur
40、rs. Theapparatusshallbesodesignedandconstructedastopreventingressofexternalatmospherewithinthelimits setoutinthisEuropeanStandard. Theapparatusshallbesodesignedthattheoutsideofthecontainercanbecleanedeasily. Theapparatusshallbesodesignedastopreventthechemicalfromenteringthewearersrespiratorytractand
41、that salivaorcondensateshallnotinterferewiththefunctionoftheapparatusorcauseanyharmfuleffecttothewearer. Testingshallbedoneinaccordancewith7.3and7.16. Itshallnotbepossibletoinitiateaquickstartsystem(iffitted)inadvertently. Apparatusforspecialuse,i.e.inminingshallmeettherequirementsgiveninannexAwhent
42、estedinaccordance withannexA. ApparatusfortrainingpurposesonlyshallmeettherequirementsgiveninannexCwhentestedinaccordancewith annexC.Trainingmayalsobecarriedoutwiththeworkingapparatus. Testingshallbedoneinaccordancewith7.3. 6.3Materials Thecarryingcontainerandthelockingdevice(wherepresent)shallbeade
43、quatelyprotectedagainstcorrosion.The materialsusedshallbeabletowithstandtemperaturesandmechanicalstresstobeexpectedwhilstbeingcarried onthepersonaswellasbeingstoredonmachinesandvehicles. Testingshallbedoneinaccordancewith7.3,7.9.1and7.16. Exposedparts,i.e.thosewhichmaybesubjectedtoimpactduringuseoft
44、heapparatusshallnotbemadeof aluminium,magnesium,titaniumoralloyscontainingsuchproportionsofthesemetalsaswill,onimpact,giverise tofrictionalsparkscapableofignitingflammablegasmixtures. Testingshallbedoneinaccordancewith7.3. Anycontainerorcarryingcontainermakinguseofsuchmaterialsshallbeadequatelyprotected. Ifnationalregulationsallowtheuseofsuchcontainersorcarryingcontainersthenwhentestedforimpactand scraping
