ISO 04233-2023.docx

INTERNATIONA1.STANDARDISO4233editionF1.rst2O23-O3Reactortechno1.ogyNuc1.earfusionreactorsHothe1.ium1.eaktestingmethodforhightemperaturepressure-bearingcomponentsinnuc1.earfusionreactorsTechno1.ogiedureacteurReacteursdfusionnuc1.eaireMethodedeContro1.ed1.etancheUepardetectiondefuited,he1.iumaChQudpourIesComposantssouspressionhautetemperaturedeMacteUrSfusionnuc1.eaire©ISO2023COPYRIGHTPROTECTEDDOCUMENT©ISO2023IUirhM*hedbdi1.iUedotherwiseupdhi.orbmtndH0tf1.t×t'oni(nc4nmpe*Mqnrt<ifp5tcopyp>iat<)nmaytheinternetoranintranet,withoutpriorwrittenpermission.PermissioncanberequestedfromeitherISOattheaddressbe1.oworISO'smemberbodyinthecountryoftherequester.f),WV>fifiHipB1.andonnet8CH-1214Vernier,GenevaPhone：M1.227490111觥ftte:丽丽BQrgPub1.ishedinSwitzer1.andContentsIntroduction.VCScone13Normativereferences一14Termsanddefinitions5Symbo1.s一.2,Princip1.esandtechniquesofdetection6 hm7 Personne1.一5AnDaratiis57.1Gener3157.2Testcomponentandvacuumchamber7J÷Htinpcn11f1.tB三11HJ11impvstncntr1.svstem7.5Temperatureuniformityrequirement77.6Reference1.eakU-78TestConmonentDreoaration8.1Pre1.iminarvtestsbeforehothe1.ium1.eaktest98.2Vacuumbaking.999.1CQIWm1.99.2Resnonseanddeanuotimemeasurements10Testinpnrocedures1110.1Insta1.1.ationofthecomponentintothetestsystem110.2Initia1.set-upofthe1.eaktestingsystem110.8HtinhiMbionhsiX10.5Cyc1.ichothe1.ium1.eaktesting121110.6Fina1.co1.dhe1.ium1.eaktesting12Testreport_12Foreword988ForewordISO(theInternationa1.OrganizationforStandardization)isawor1.dwidefederationofnationa1.standardsthiiugh(ISOtnrifaaibwrim11rhvcekWPfff1.QtafigbodyEtttMdtiJMiaibtandrikN(11owhUycame<hf1.t2committeehasbeenestab1.ishedhastherighttoberepresentedonthatcommittee.Internationa1.organizations,governmenta1.andnon-governmenta1.,in1.iaisonwithISO,a1.sotakepartinthework.ISOco1.1.aboratesc1.ose1.ywiththee1.ectrotechnica1.standardization.Internationa1.E1.ectrotechnica1.Commission(IEC)ona1.1.mattersofTheproceduresusedtodeve1.opthisdocumentandthoseintendedforitsfurthermaintenanceare蜩映也搬OfISOIECdte胸Hgnura螂即胸tekordanceVMtheeditoria1.ru1.esoftheSOIECDirectives,Part2.www.iso.org/directivcsusedinthisAnytradeR盗帖Onrightsd般掂出1n膈粉蛾ns冲朋F吸K冲嘏盘支忖doc1.三棉见鼠银服subjectofanypatentrightsidentifiedduringthedeve1.opment<4th»do<umzuwi1.1.beintheIntroductionand/orontheISO1.istofpatentdec1.arationsreceived.www.iso.org/patcntsconstitutenameendorsement,documentisinformationgivenfortheconvenienceofusersanddoesnotForanexp1.anationonthemeaningofISOspecifictermsandexpressionsre1.atedtoconformity3财珀Kere*S部眼RIW监OrmatiOnintheTechnica1.ThisdocumentwaspreparedbyTechnica1.CommitteeISO/TC85,Nuc1.eartechno1.ogy,nuc1.eartechno1.ogies,andradio1.ogica1.protection,SubcommitteeSC6,Reactortechno1.ogy.AnyfeedbackorquestionsonthisdocumentShCUIdhSthmw'nationa1.standardsbody.Acomp1.ete1.istingofthesebodiescanbefoundatwww.iso.org/members.htm1.IntroductionHothe1.ium1.eaktestingcanrea1.izemorere1.iab1.e1.eaktightnessassessmentthantheconventiona1.co1.da1.11Dhpwiaftitingno)pfmifienperatutiuDandp11xdwmiRjndcjieat1.y陀舸eMh用gratioahhf1.tneakriskReactortechno1.ogyNuc1.earfusionreactorsHothe1.ium1.eaktestingmethodforhightemperaturepressurebearingcomponentsinnuc1.earfusionreactors1Scopecomponentdetectorhigh-pressuremeasuringgastota1.the1.eakagemixtureinvacuumchambercomponentascomp1.exityandmateria1.softhecomponent,andisStiong1.yre1.atedtothetestsystemandthetestoperatingenvironmentnudearfusion-r,reactors,whichf1.owing-coo1.anttemperaturespressure.u1.tra-Normativeotherreferencesreactors.constitutesrequirementsaredocument.Eordatedinreferences,on1.ySomeeditiona1.1.citedapp1.ies.contentISO9712,NondestructivetestingQua1.ificationandcertificationofNDTpersonne1.ISO20485:2017,Nondestructivetesting1.eaktestingTracerfjasmethod3Termsanddefinitionsapp1.y.ISOOn1.inebrowsingp1.atform:avai1.ab1.eath(tps<www.iso.Fgobp3.1backgroundnoiseNote1toentry：Tnespecifiedperiodisusua1.1.y5min.Thisdocumentspecifiesthemethodsandtechniquesfor1.eaktightnessassessmentofameta1.1.icgas1.eakathighandtcrnperaturebyhe1.iumitsorgasratesa1.1.owingoutofthewithatracertracergasduringitstherma1.andpressurecyc1.esatitsoperatingconditions.Theminimumdetectab1.e1.eakageratecanbeas1.owasIOioPanu/s,dependingonthedimension,externa1.configurationconditions.Thisdocumentisapp1.icab1.eforthehothe1.ium1.eaktestofin-ponentsasperitsnorma1.highvacuumconditionsdownto10Paandwithinneroperatee1.evatedoperatinginanItia1.soapp1.icab1.etotheovera1.1.1.eaktightnesstestofwe1.dsinothermeta1.1.iccomponentsandequipmentthatcou1.dbeevacuatedandpressurized,suchaspressurizedtanks,pipesandva1.v