BSEN1346322004潜在爆炸性空气中使用的非电气设备第2部分通过限流外壳实现的保护措施fr

BRITISHSTANDARDBSEN13463-2:2004Non-electricalequipmentforuseinpotentiallyexplosiveatmospheres—Part2:Protectionbyflowrestrictingenclosure‘fr’TheEuropeanStandardEN13463-2:2004hasthestatusofaBritishStandardICS13.230

 
 LicensedCopy:InstituteOfTechnologyTallaght,InstituteofTechnology,MonJul2310:14:34GMT+00:002007,UncontrolledCopy,(c)BSIBSEN13463-2:2004ThisBritishStandardwaspublishedundertheauthorityoftheStandardsPolicyandStrategyCommitteeon22July2005©BSI22July2005ISBN0580461262NationalforewordThisBritishStandardistheofficialEnglishlanguageversionofEN13463-2:2004.TheUKparticipationinitspreparationwasentrustedtoTechnicalCommitteeFSH/23,Fireprecautionsinindustrialandchemicalplant,whichhastheresponsibilityto:—aidenquirerstounderstandthetext;—presenttotheresponsibleinternational/Europeancommitteeanyenquiriesontheinterpretation,orproposalsforchange,andkeeptheUKinterestsinformed;—monitorrelatedinternationalandEuropeandevelopmentsandpromulgatethemintheUK.Alistoforganizationsrepresentedonthiscommitteecanbeobtainedonrequesttoitssecretary.Cross-referencesTheBritishStandardswhichimplementinternationalorEuropeanpublicationsreferredtointhisdocumentmaybefoundintheBSICatalogueunderthesectionentitled“InternationalStandardsCorrespondenceIndex”,orbyusingthe“Search”facilityoftheBSIElectronicCatalogueorofBritishStandardsOnline.Thispublicationdoesnotpurporttoincludeallthenecessaryprovisionsofacontract.Usersareresponsibleforitscorrectapplication.CompliancewithaBritishStandarddoesnotofitselfconferimmunityfromlegalobligations.SummaryofpagesThisdocumentcomprisesafrontcover,aninsidefrontcover,theENtitlepage,pages2to13andabackcover.TheBSIcopyrightnoticedisplayedinthisdocumentindicateswhenthedocumentwaslastissued.AmendmentsissuedsincepublicationAmd.No.DateCommentsLicensedCopy:InstituteOfTechnologyTallaght,InstituteofTechnology,MonJul2310:14:34GMT+00:002007,UncontrolledCopy,(c)BSIEUROPEANSTANDARDNORMEEUROPÉENNEEUROPÄISCHENORMEN13463-2November2004ICS13.230EnglishversionNon-electricalequipmentforuseinpotentiallyexplosiveatmospheres-Part2:Protectionbyflowrestrictingenclosure'fr'Appareilsnonélectriquesdestinésàêtreutilisésenatmosphèresexplosibles-Partie2:Protectionparenveloppeàcirculationlimitée'fr'Nicht-elektrischeGerätefürdenEinsatzinexplosionsgefährdetenBereichen-Teil2:SchutzdurchschwadenhemmendeKapselung'fr'ThisEuropeanStandardwasapprovedbyCENon14October2004.CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.Up-to-datelistsandbibliographicalreferencesconcerningsuchnationalstandardsmaybeobtainedonapplicationtotheCentralSecretariatortoanyCENmember.ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).AversioninanyotherlanguagemadebytranslationundertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCentralSecretariathasthesamestatusastheofficialversions.CENmembersarethenationalstandardsbodiesofAustria,Belgium,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal,Slovakia,Slovenia,Spain,Sweden,SwitzerlandandUnitedKingdom.EUROPEANCOMMITTEEFORSTANDARDIZATIONCOMITÉEUROPÉENDENORMALISATIONEUROPÄISCHESKOMITEEFÜRNORMUNGManagementCentre:ruedeStassart,36B-1050Brussels©2004CENAllrightsofexploitationinanyformandbyanymeansreservedworldwideforCENnationalMembers.Ref.No.EN13463-2:2004:ELicensedCopy:InstituteOfTechnologyTallaght,InstituteofTechnology,MonJul2310:14:34GMT+00:002007,UncontrolledCopy,(c)BSIEN13463-2:2004(E)2ContentspageForeword......................................................................................................................................................................3Introduction.................................................................................................................................................................41Scope..............................................................................................................................................................52Normativereferences....................................................................................................................................53Termsanddefinitions...................................................................................................................................54General............................................................................................................................................................54.1Generalrequirements....................................................................................................................................54.2Determinationofsuitability..........................................................................................................................55Specificrequirementsandlimitations................