BS EN 1822-1-1998 高效空气过滤器(HEPA和ULPA) 第1部分：分类、性能试验和

|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||BRITISHSTANDARDBSEN1822-1:1998TheEuropeanStandardEN1822-1:1998hasthestatusofaBritishStandardICS23.120NOCOPYINGWITHOUTBSIPERMISSIONEXCEPTASPERMITTEDBYCOPYRIGHTLAWHighefficiencyairfilters(HEPAandULPA)ÐPart1:Classification,performancetesting,markingThisBritishStandard,havingbeenpreparedunderthedirectionoftheEngineeringSectorBoard,waspublishedundertheauthorityoftheStandardsBoardandcomesintoeffecton15November1998©BSI1998ISBN058029837XBSEN1822-1:1998AmendmentsissuedsincepublicationAmd.No.DateTextaffectedNationalforewordThisBritishStandardistheEnglishlanguageversionofEN1822-1:1998.TheUKparticipationinitspreparationwasentrustedbyTechnicalCommitteeMCE/21,Filtersforgasesandliquids,toSubcommitteeMCE/21/3,AirfiltersotherthanforairsupplyforICenginesandcompressors,whichhastheresponsibilityto:Ðaidenquirerstounderstandthetext;ÐpresenttotheresponsibleEuropeancommitteeanyenquiriesontheinterpretation,orproposalsforchange,andkeeptheUKinterestsinformed;ÐmonitorrelatedinternationalandEuropeandevelopmentsandpromulgatethemintheUK.Alistoforganizationsrepresentedonthiscommitteecanbeobtainedonrequesttoitssecretary.Cross-referencesTheBritishStandardswhichimplementinternationalorEuropeanpublicationsreferredtointhisdocumentmaybefoundintheBSIStandardsCatalogueunderthesectionentitledªInternationalStandardsCorrespondenceIndexº,orbyusingtheªFindºfacilityoftheBSIStandardsElectronicCatalogue.ABritishStandarddoesnotpurporttoincludeallthenecessaryprovisionsofacontract.UsersofBritishStandardsareresponsiblefortheircorrectapplication.CompliancewithaBritishStandarddoesnotofitselfconferimmunityfromlegalobligations.SummaryofpagesThisdocumentcomprisesafrontcover,aninsidefrontcover,theENtitlepage,pages2to12,aninsidebackcoverandabackcover.CENEuropeanCommitteeforStandardizationComiteÂEuropeÂendeNormalisationEuropaÈischesKomiteefuÈrNormungCentralSecretariat:ruedeStassart36,B-1050Brussels©1998CENAllrightsofexploitationinanyformandbyanymeansreservedworldwideforCENnationalMembers.Ref.No.EN1822-1:1998EEUROPEANSTANDARDEN1822-1NORMEEUROPEÂENNEEUROPAÈISCHENORMApril1998ICS23.120Descriptors:airfilters,cleaningequipmentforgases,ventilation,airconditioning,definitions,classifications,specifications,tests,aerosols,testconditions,effectivenessEnglishversionHighefficiencyairfilters(HEPAandULPA)ÐPart1:Classification,performancetesting,markingFiltresaÁairaÁtreÁshauteefficaciteÂetfiltresaÁairaÁtreÁsfaiblepeÂneÂtration(HEPAetULPA)ÐPartie1:Classification,essaisdeperformanceetmarquageSchwebstoffilter(HEPAundULPA)ÐTeil1:Klassifikation,LeistungspruÈfung,KennzeichnungThisEuropeanStandardwasapprovedbyCENon6March1998.CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.Up-to-datelistsandbibliographicalreferencesconcerningsuchnationalstandardsmaybeobtainedonapplicationtotheCentralSecretariatortoanyCENmember.ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).AversioninanyotherlanguagemadebytranslationundertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCentralSecretariathasthesamestatusastheofficialversions.CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom.Page2EN1822-1:1998©BSI1998ForewordThisEuropeanStandardhasbeenpreparedbyTechnicalCommitteeCEN/TC195,Airfiltersforgeneralaircleaning,thesecretariatofwhichisheldbyDIN.Itisdealingwiththeperformancetestingofhighefficiencyparticulateairfilters(HEPA)andultralowpenetrationairfilters(ULPA).ThecompleteEuropeanStandardHighefficiencyairfilters(HEPAandULPA)willconsistofthefollowingparts:Part1Classification,performancetesting,markingPart2Aerosolproduction,measuringequipment,particlecountingstatisticsPart3TestingflatsheetfiltermediaPart4Determiningleakageoffilterelements(Scanmethod)Part5DeterminingtheefficiencyoffilterelementsAsdecidedbyCEN/TC195,thisEuropeanStandardisbasedonparticlecountingmethodswhichactuallycovermostneedsofdifferentapplications.ThedifferencebetweenthisEuropeanStandardandpreviousnationalstandardsliesinthetechniqueusedforthedeterminationoftheoverallefficiency.Insteadofmassrelationships,thisnewtechniqueisbasedonparticlecountingatthemostpenetratingparticlesize(MPPS;range:0,15to0,30mm).Italsoallowsultralowpenetrationairfilterstobetested,whichisnotpossiblewiththeprevioustestmethodsbecauseoftheirinadequatesensitivity.ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextorbyendorsement,atthelatestbyOctober1998,andconflictingnationalstandardsshallbewithdrawnatthelatestbyOctober1998.AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowingcountriesareboundtoimplementthisEuropeanstandard:Austria,Belgium,CzechRepublic,Denmark