BS EN 402-2003 Respiratory protective devices - Lung governed demand self-contained open-circuit compressed air breathing apparatus with full face mask or mouthpiece assembly for e.pdf

1、BRITISH STANDARD BS EN 402:2003 Respiratory protective devices Lung governed demand self-contained open-circuit compressed air breathing apparatus with full face mask or mouthpiece assembly for escape Requirements, testing, marking The European Standard EN 402:2003 has the status of a British Standa

2、rd ICS 13.340.30 BS EN 402:2003 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 28 May 2003 BSI 28 May 2003 ISBN 0 580 41950 9 National foreword This British Standard is the official English language version of EN 402:2003. It supersedes BS E

3、N 402:1993 which is withdrawn.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 responsibility to: A list of organizations represented on this subcommittee can be obtai

4、ned 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 entitled “International Standards Correspondence Index”, or by using the “Search” facility o

5、f 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. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid

6、 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 international and European developments and promulgate them in the UK. Summary of pages Thi

7、s document comprises a front cover, an inside front cover, the EN title page, pages 2 to 30, an inside back cover and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDAR

8、D NORMEEUROPENNE EUROPISCHENORM EN402 May2003 ICS13.340.30 SupersedesEN402:1993 Englishversion RespiratoryprotectivedevicesLunggoverneddemandself containedopencircuitcompressedairbreathingapparatuswith fullfacemaskormouthpieceassemblyforescape Requirements,testing,marking Appareilsdeprotectionrespir

9、atoireAppareilsde protectionrespiratoireautonomescircuitouvert,air comprim,soupapelademandeavecmasquecomplet ouensembleemboutbuccalpourlvacuationExigences, essais,marquage AtemschutzgerteLungenautomatischeBehltergerte mitDruckluft(Pressluftatmer)mitVollmaskeoder MundstckgarniturfrSelbstrettungAnford

10、erungen, Prfung,Kennzeichnung ThisEuropeanStandardwasapprovedbyCENon17January2003. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcer

11、nings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthe

12、samestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Slovakia,Spain,Sweden,SwitzerlandandUn ited Kingdom. EUROPEANCOMMITTEEFORSTANDAR

13、DIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2003CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN402:2003EEN402:2003(E) 2 Contents Page Foreword4 Introduction .5 1 Scope 5 2 Normativ

14、ereferences 5 3 Termsanddefinitions. .6 4 Description .6 5 Classification6 6 Requirements .6 6.1 General6 6.2 Ergonomics 6 6.3 Design .6 6.4 Materials7 6.5 Cleaninganddisinfecting . 7 6.6 Mass 7 6.7 Connections .7 6.8 Harness.7 6.9 Handling8 6.10 Leaktightness. .8 6.11 Facepiece8 6.12 Goggles.8 6.13

15、 Temperatureperformanceandflammabilityresistance 8 6.14 Protectionagainstparticulatematter 10 6.15 Highandmediumpressureparts. 10 6.16 High,mediumandlowpressureconnections 10 6.17 Pressurevessel(s) . 10 6.18 Pressurevesselseal. .10 6.19 Pressurereducer . 11 6.20 Pressuresafetyvalve 11 6.21 Pressurei

16、ndicator . 11 6.22 Flexiblehosesandtubes . .11 6.23 Mechanicalstrength 12 6.24 Performancerequirements . 12 6.25 Protectionagainstenvironment. 13 6.26 Practicalperformance .13 7 Testing 13 7.1 General13 7.2 Nominalvaluesandtolerances . .13 7.3 Visualinspection . 14 7.4 Mechanicalstrength . .14 7.5 R

17、esistancetotemperature. .14 7.6 Pressurereducer .15 7.7 Lowtemperaturepracticalperformance . 16 7.8 Practicalperformance . 16 7.9 Breathingresistance .17 8 Marking .18 9 Informationsuppliedbythemanufacturer 18EN402:2003(E) 3 AnnexA (normative) Methodsofmeasurementoftheinsulationresistanceofthecarryi

18、ngcontainer.24 AnnexB (informative) TestresultsUncertaintyofmeasurement27 AnnexC (informative) Marking 28 AnnexZA (informative) ClausesofthisEuropeanStandardaddressingessentialrequirementsorother provisionsofEUDirectives 29 Bibliography 30EN402:2003(E) 4 Foreword Thisdocument(EN402:2003)hasbeenprepa

19、redbyTechnicalCommitteeCEN/TC79“Respiratoryprotective devices“,thesecretariatofwhichisheldbyDIN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbyNovember2003,andconflictingnationalstandardsshallbewithdrawnatthelatest byNo

20、vember2003. ThisdocumentsupersedesEN402:1993. ThisdocumenthasbeenpreparedunderamandategiventoCENbytheEuropeanCommissionandtheEuropean FreeTradeAssociation,andsupportsessentialrequirementsofEUDirective(s). ForrelationshipwithEUDirective(s),seeinformativeannex ZA,whichisanintegralpartofthisdocument. A

21、nnexAisnormativeandAnnexesBandCareinformative. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Luxembourg,M

22、alta,Netherlands,Norway,Portugal, Slovakia,Spain,Sweden,SwitzerlandandtheUnitedKingdom.EN402:2003(E) 5 Introduction Agivenrespiratoryprotectivedevicecanonlybeapprovedwhentheindividualcomponentssatisfythe requirementsofthetestspecificationwhichmaybeacompletestandardorpartofastandardandpractical perfo

23、rmancetestshavebeencarriedoutsuccessfullyoncompleteapparatuswherespecifiedintheappropriate standard.Ifforanyreasonacompleteapparatusisnottestedthensimulationoftheapparatusispermitted providedtherespiratorycharacteristicsandweightdistributionaresimilartothoseofthecompleteapparatus. 1Scope ThisEuropea

24、nStandardspecifiesminimumrequirementsforlunggoverneddemandselfcontainedopencircuit compressedairbreathingapparatusforescape. ThisEuropeanStandarddoesnotapplytoapparatusforworkandrescueortodivingapparatus. Laboratoryandpracticalperformancetestsareincludedfortheassessmentofcompliancewiththerequirement

25、s. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications.These normativereferencesarecitedattheappropriateplacesinthetextandthepublicationsarelistedhereafter.For datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplyto

26、thisEuropean Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthe publicationreferredtoapplies(includingamendments). EN132:1998, RespiratoryprotectivedevicesDefinitionsoftermsandpictograms EN134:1998, RespiratoryprotectivedevicesNomenclatureofcomponents EN1

27、36:1998, RespiratoryprotectivedevicesFullfacemasksRequirements,testing,marking EN142, RespiratoryprotectivedevicesMouthpieceassembliesRequirements,testing,marking EN166:2001, PersonaleyeprotectionSpecifications EN168:2001, PersonaleyeprotectionNonopticaltestmethods EN12021, Respiratoryprotectivedevi

28、cesCompressedairforbreathingapparatus EN132742:2001, RespiratoryprotectivedevicesMethodsoftestPart2:Practicalperformancetests EN132743:2001, RespiratoryprotectivedevicesMethodsoftestPart3:Determinationofbreathingresistance EN132744:2001, RespiratoryprotectivedevicesMethodsoftestPart4:Flametests EN13

29、2745, RespiratoryprotectivedevicesMethodsoftestPart5:Climaticconditions EN132746,RespiratoryprotectivedevicesMethodsoftestPart6:Determinationofcarbondioxidecontentof theinhalationairEN402:2003(E) 6 3 Termsanddefinitions ForthepurposesofthisEuropeanStandardthetermsanddefinitionsgiveninEN132:1998andth

30、enomenclature giveninEN134:1998apply. 4Description Lunggoverneddemandcompressedairescapeapparatusaredesignedandconstructedtoenablethewearerto breatheairondemandfromapressurevessel(s)eitherviaapressurereducerandalunggoverneddemandvalve oralunggoverneddemandvalveconnectedtothefacepiece.Theexhaledairpa

31、sseswithoutrecirculationfrom thefacepieceviatheexhalationvalvetotheambientatmosphere. 5Classification Lunggoverneddemandcompressedairescapeapparatusareclassifiedaccordingtotheratedworkingduration (see6.24.1)whichisdefinedbyperformingabreathingmachinetestinaccordancewith7.5.5withaminute volumeof35l/m

32、in(20cycles/min,1,75l/stroke). Ratedworkingdurationisexpressedinminutesandisdefinedinstepsof5minutes. Itshouldberecognizedthattheeffectivedurationmayvaryaccordingtotheworkrate. 6Requirements 6.1General Inalltestsalltestsamplesshallmeettherequirements. 6.2Ergonomics Therequirementsofthisstandardarein

33、tendedtotakeaccountoftheinteractionbetweenthewearer,the apparatus,andwherepossibletheworkingenvironmentinwhichtheapparatusislikelytobeused.SeeAnnexZA. 6.3Design Theapparatusshallbeofsimpleandreliableconstructionandascompactaspossible. Theapparatusshallbedesignedsoasnottointerferewithworkactivitieswh

34、encarriedinaccordancewiththe manufacturersinstructions. Theapparatusshallbesodesignedthattherearenoprotrudingpartsorsharpedgeslikelytobecaughton projectionsinnarrowpassagesorthatmayhurtthewearer. Theapparatusshallbedesignedtoensureitsfullfunctioninanyorientation. Thereadyforusestateoftheapparatussha

35、llidentifythepressureinthepressurevessel(s)priortouseandduring storage.Inthereadyforusestatethefacepieceshallbesecurelyattachedtotheapparatus.Thepressurevessel hastobeopenedeasilybyhandorautomaticallywhenstartingtheapparatus.Inthecaseofapermanent installationoftheapparatusinastoragecontainertheappar

36、atusshallbeactivatedautomaticallyuponremoval fromthestoragecontainer.Inallcasestheapparatusshallbelockedintheopenpositionagainstinadvertent shutting. Ifabreathingapparatusforworking,e.g.“airlineequipment“isusedinconnectionwithanescapeapparatusthe escapeapparatusdesignshallbesuchastopreventairlossfro

37、mtheescapeapparatusintheeventofmalfunction ordisconnectionofthebreathingapparatusforworking.EN402:2003(E) 7 Testingshallbedoneinaccordancewith7.3and7.8. 6.4Materials Thecarryingcontainerandthelockingdevice,wherepresent,shallbeadequatelyprotectedagainstcorrosion.The materialsusedshallbeabletowithstan

38、dtemperaturesandmechanicalstressexpectedwhilstbeingcarriedonthe manaswellasonmachinesandvehicles. Testingshallbedoneinaccordancewith7.3,7.5.1and7.8. Exposedpartsi.e.thosewhichmaybesubjectedtoimpactduringuseoftheapparatusshallnotbemadeof aluminium,magnesium,titaniumoralloys. Topreventelectrostaticcha

39、rgesonnonmetalcarryingcontainers,thesurfaceresistanceshallnotexceed10 9 . Wheretheapparatusisrequiredtobeantistaticduringescapematerialsusedshallbeantistaticasfarasitis practicable. Testingshallbedoneinaccordancewith7.5.7. Materialswhichcomeintodirectcontactwiththewearersskinandthebreathablegasshall

40、notbeknowntobe likelytocauseirritationoranyotheradverseeffecttohealth. Thefinishofanypartoftheapparatuslikelytobeincontactwiththewearershallbefreefromedgesandburrs. Testingshallbedoneinaccordancewith7.3and7.8. 6.5Cleaninganddisinfecting Allmaterialusedshallwithstandthecleaninganddisinfectingagentsan

41、dproceduresrecommendedbythe manufacturer. Testingshallbedoneinaccordancewith7.3and7.8. 6.6Mass Themassofthecompleteapparatusincludingcarryingcontainershallnotexceed5kgwhendesignedtobe carriedonthemanforatleast8h. Testingshallbedoneinaccordancewith7.3. 6.7Connections Thedesignandconstructionoftheappa

42、ratusshallpermititscomponentstobereadilyseparatedforcleaning, inspectingandtesting.Demountableconnectionstoachievethisshallbereadilyconnectedandsecured, preferablybyhand. Anymeansforsealingusedshallberetainedinpositionwhentheconnection(s)is(are)disconnectedduring normaluseandmaintenance. Testingshal

43、lbedoneinaccordancewith7.3and7.8. 6.8Harness Theapparatusshallhaveaharnessorothermeansofcarryingsothatthewearershandsareleftfree,whenthe apparatusisinuse. Anyharnessshallbedesignedtoallowquick,easyandcorrectdonningoftheapparatuswithoutassistance.EN402:2003(E) 8 Testingshallbedoneinaccordancewith7.3and7.8. 6.9Handling Theapparatusshallbecapableofbeingdonnedandputintooperationsimplyandwithoutundueexertionunder difficultconditionse.g.inthedarkandinrestrictedspaces. Iftheapparatusisfittedwithaspeciallock,thedesignshallbesuchthatitcannotbeopenedinadvertently. Iftheapparatushasbeenopened,thisshallb