1、InternationalStandardISO21364-21Firstedition2025-06Domesticgascookingappliances一Safety一Part21:Particularrequirementsforgashobs,gasgrillsandgasgriddlesAppareilsdecuissondomestiquesUtilisantIescombustiblesgazeuxSecurite一Partie21:ExigencesparticulierespourIestablesdecuissonagaz,ghlsagazetgrilsparcontac
2、tagazReferencenumberISO21364-21:2025(en)COPYRIGHTPROTECTEDDOCUMENTISO2025Allrightsreserved.Unlessotherwisespecified,orrequiredinthecontextofitsimplementation,nopartofthispublicationmaybereproducedorutilizedotherwiseinanyformorbyanymeans,electronicormechanical,includingphotocopying,orpostingontheinte
3、rnetoranintranet,withoutpriorwrittenpermission.PermissioncanberequestedfromeitherISOattheaddressbeloworISO,smemberbodyinthecountryoftherequester.ISOcopyrightofficeCP401Ch.deBlandonnet8CH-1214Vernier,GenevaPhone:+41227490111Email:copyrightiso.orgWebsite:www.iso.orgPublishedinSwitzerlandContentsPageFo
4、rewordviIntroductionvii1 Scope12 Normativereferences13 Termsanddefinitions23.1 Definitionsrelatingtocomponents24 Componentsingascookingappliances24.1 General24.2 Manualgasshut-offvalves24.3 Knobs34.3.1 Designofknobs34.3.2 Markingforknobs34.4 Multifunctionalcontrols34.5 Thermoelectricflamesupervision
5、controls34.6 Thermostats34.7 Pressureregulators34.8 Automaticshut-offvalves34.9 Injectorsandadjusters34.10 Ignitionsystems34.11 Thermalcut-outs34.12 Multi-ringburners34.13 Overheatingsafetydevices(OSD)44.13.1 Requirement44.13.2 Testprocedure55 Generalconditionsoftest56 Heatinput56.1 General56.2 Obta
6、iningthenominalheatinput56.2.1 General56.2.2 Testofhobburner56.2.3 Testofmulti-ringhobburner66.2.4 Testofsurfacegrillandgriddlewithoutathermostat66.2.5 Testofsurfacegrillandgriddlewithathermostat66.3 Measurementsandcalculations66.4 Obtainingthereducedheatinput66.4.1 General66.4.2 Testofhobburner,sur
7、facegrillandgriddleburner66.5 Totalheatinput67 Heating67.1 General67.2 Operatingconditions67.3 Heatingtests77.4 Abnormaloperation.77.4.1 General77.4.2 Hobburner77.4.3 Gasgriddles.78 Combustion78.1 Measurementofallburnerssimultaneously78.2 Blockedcombustionproductsoutlet78.3 Analysisofthecombustionpr
8、oducts88.4 Singleburner88.4.1 Generalrequirement88.4.2 Hobburner,surfacegrillburnerandgriddleburner88.4.3 Testsofmulti-ringburner98.4.4 AdditionaltestofTypeIIandTypeVmulti-ringburners108.4.5 Samplingthecombustionproducts108.5 Sootingtest138.5.1 Requirement138.5.2 Test139 Ignition,cross-lightingandfl
9、amestability149.1 General149.2 Movementofoven/grilldoororcabinetdoor149.3 Testforapplianceshavinganautomaticburnercontrolsystem149.4 Hobburner,surfacegrillburnerandgriddleburner149.4.1 General149.4.2 Coldconditions149.4.3 Hotconditions159.5 Multi-ringhobburner169.5.1 Requirement169.5.2 Additionaltes
10、tforTypeImulti-ringburners169.5.3 AdditionaltestforTypeIIandTypeVmulti-ringburners169.5.4 Resistancetodraught1710 Accumulationofunburntgasandleaktightness1811 Construction1811.1 General1811.2 Materials1911.2.1 General1911.2.2 Burnermaterialtest1911.2.3 Sealings1911.2.4 Resistancefornon-metallicfeeto
11、fpansupports1911.3 Gasinletconnections1911.4 Conversiontodifferentgases1911.5 Pullforcesofknobsformanualgasshut-offvalves1911.6 Appliancesthatenabletheusertoprogramthestartortheendofthecookingcycle1911.7 Compartmentforonegascylinder1911.8 Touchcontrols1911.8.1 General1911.8.2 Requirement2011.8.3 Tes
12、t2011.9 Resistancetospillage2011.9.1 Requirement2011.9.2 Test2011.10 Specifichobpartsandhobaccessories2011.10.1 Pansupports2011.10.2 Removabledevicesforsmallpans2111.10.3 Specialsupportsforconvex-basedpans2111.10.4 Coveredburners2111.11 Shutdownlids2111.11.1 Requirement2111.11.2 Test2211.11.3 Glasss
13、hutdownlids2211.11.4 Shut-offdevice2212 Mechanicalstrength2312.1 Partsmadeofglassandglass-ceramic2312.1.1 General2312.1.2 Springhammertest2312.1.3 Punchtest2312.1.4 Thermalstressresistanceforglassandglass-ceramichobsurfaces2312.2 Pansupport2312.2.1 Requirement2312.2.2 Test2312.3 Pansupportincontactw
14、iththeglassorglassceramicofthehob2313 Electricalsafety2414 Markingandinstructions24AnnexA(normative)Nationaldeviationsinvariouscountries.25AnnexB(informative)Additionaltestsforhobs,surfacegrillsandgriddlessuppliedwithnaturalgasandhydrogenadmixtures28AnnexC(informative)AdditionalcombustiontestforNO2m
15、easurementofgashobsburners33Bibliography35ForewordISO(theInternationalOrganizationforStandardization)isaworldwidefederationofnationalstandardsbodies(ISOmemberbodies).TheworkofpreparingInternationalStandardsisnormallycarriedoutthroughISOtechnicalcommittees.Eachmemberbodyinterestedinasubjectforwhichat
16、echnicalcommitteehasbeenestablishedhastherighttoberepresentedonthatcommittee.Internationalorganizations,governmentalandnon-governmental,inliaisonwithISO,alsotakepartinthework.ISOcollaboratescloselywiththeInternationalElectrotechnicalCommission(IEC)onallmattersofelectrotechnicalstandardization.Thepro
17、ceduresusedtodevelopthisdocumentandthoseintendedforitsfurthermaintenancearedescribedintheISO/IECDirectives,Part1.Inparticular,thedifferentapprovalcriterianeededforthedifferenttypesofISOdocumentshouldbenoted.ThisdocumentwasdraftedinaccordancewiththeeditorialrulesoftheISO/IECDirectives,Part2(seeWWW.is
18、o.org/directives).ISOdrawsattentiontothepossibilitythattheimplementationofthisdocumentmayinvolvetheuseof（八）patent(三).ISOtakesnopositionconcerningtheevidence,validityorapplicabilityofanyclaimedpatentrightsinrespectthereof.Asofthedateofpublicationofthisdocument,ISOhadnotreceivednoticeof（八）patent(三)whi
19、chmayberequiredtoimplementthisdocument.However,Implementersarecautionedthatthismaynotrepresentthelatestinformation,whichmaybeobtainedfromthepatentdatabaseavailableatWWW.iso.org/patents.ISOshallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights.Anytradenameusedinthisdocumentisinformationgiven
20、fortheconvenienceofusersanddoesnotconstituteanendorsement.Foranexplanationofthevoluntarynatureofstandards,themeaningofISOspecifictermsandexpressionsrelatedtoconformityassessment,aswellasinformationaboutISOsadherencetotheWorldTradeOrganization(WTO)principlesintheTechnicalBarrierstoTrade(TBT工seeWWW.is
21、o.org/iso/foreword.htmLThisdocumentwaspreparedbyTechnicalCommitteeISO/TC291,Domesticgascookingappliances.ThisfirsteditionofISO21364-21:2025cancelsandreplacesISO/TS21364-21:2021.AlistofallpartsintheISO21364seriescanbefoundontheISOwebsite.Anyfeedbackorquestionsonthisdocumentshouldbedirectedtotheusersn
22、ationalstandardsbody.AcompletelistingofthesebodiescanbefoundatWWW.iso.org/membnrs.htmLIntroductionGasburningappliancesusingfuelgasesmustwithstandthetypeofgaswhichisspecified.OtherInternationalStandardscoverthetestingandpropertiesoffuelgases.Duetothedifferingpropertiesoffuelgasdependingonitssourceand
23、regionoforigin,certaindifferencesinregulationsexistindifferentregionsatpresent;someofthesedifferencesarepresentedinAmleXA.ThisdocumentisdesignedtobeusedincombinationwithISO21364-1.Together,theyestablishtherequirementstotheproductcoveredbythisdocument.Whereneeded,thisdocumentadaptscertainrequirements
24、fromISO21364-1withamendmentssuchas:一,withthefollowingmodification;一“withthefollowingaddition1;一“isreplacedbythefollowing11;一“isnotapplicable,Inordertoidentifyspecificrequirementsthatareparticulartothisdocument,andnotalreadycoveredbyISO21364-llthisdocumentcontainsclausesorsubclausesthatdiffertothestr
25、uctureofISO21364-1.Toensuretheglobalrelevanceofthisdocument,thedifferingrequirementsresultingfrompracticalexperienceandinstallationpracticesinvariousregionsoftheworldaretakenintoaccount.Thevariationsinbasicinfrastructureassociatedwithappliancesarealsotakenintoaccount,someofwhichareaddressedISO21364-
26、LAnnexEandAnneXAofthisdocumentThisdocumentintendstoprovideabasicframeworkofrequirementsthatrecognizethesedifferences.DomesticgascookingappliancesSafety一Part21:Particularrequirementsforgashobs,gasgrillsandgasgriddles1 ScopeThisdocumentspecifiesrequirementsforsafety,constructionandmaterialsofhousehold
27、gassurfacecookingappliances.NOTE1Forgeneralrequirementsregardingsafety,constructionandmaterialsofhouseholdgassurfacecookingappliances,seeISO21364-1.Thisdocumentisapplicabletothefollowing:thefollowingsurfacecookingappliances,beingbuilt-in,partofacookingapplianceortabletop:一hobs;surfacegrills;griddles
28、hobsaccessories.Itisnotapplicabletosurfacecookingappliancesintendedforeitheroutdooruseorcommercialuse,orboth,aswellaselectricalheatedelementsaspartoftheappliance.NOTE2Forrequirementsregardingelectricalsafety,refertotheIEC60335series.NOTE3Attentionisdrawntothefactthat:forappliancesintendedtobeusedin
29、vehiclesoronboardofshipsoraircrafts,additionalrequirementscanapply;一inmanycountries,additionalrequirementsarespecifiedbythenationalhealthauthorities,thenationalwatersupplyauthoritiesandsimilarauthorities.Thisdocumentdoesnotcoverrequirementsrelatingtogascylinders,theirpressureregulatorsandtheirconnec
30、tions.Thisdocumentdoesnotcoverrequirementsforgasinstallation.2 NormativereferencesThefollowingdocumentsarereferredtointhetextinsuchawaythatsomeoralloftheircontentconstitutesrequirementsofthisdocument.Fordatedreferences,onlytheeditioncitedapplies.Forundatedreferences,thelatesteditionofthereferenceddo
31、cument(includinganyamendments)applies.ISO21364-LDomesticgascookingappliancesSafetyPart1:GeneralrequirementsISO23551-8:2016+AMDl:2019,Safetyandcontroldevicesforgasburnersandgas-burningappliances一ParticularrequirementsPart8:MultifunctionalcontrolsIEC60730-2-9,Automaticelectricalcontrolsforhouseholdand
32、similarusePart2-9:Particularrequirementsfortemperaturesensingcontrols3 TermsanddefinitionsForthepurposesofthisdocument,thetermsanddefinitionsgiveninISO21364-1andthefollowingapply.ISOandIECmaintainterminologicaldatabasesforuseinstandardizationatthefollowingaddresses: ISOOnlinebrowsingplatform:availab
33、leathttps:WWW.iso.org/obp IECElectropedia:availableathttps:WWW.electropadia.org/3.1 Definitionsrelatingtocomponents3.1.1openburnerhobburnerwiththeflameindirectcontactwiththepan3.1.2multi-ringburnerhobburnerassemblyhavingtwoormoreringsofburnerportsNote1toentry:Thetermringincludesanydistributionofburn
34、erportsaroundthecentralaxisoftheburner.Note2toentry:Adetaileddescriptionofthedifferenttypesofmulti-ringburnersandtheiroperatingmodesisgiveninTabIe1.3.1.3multi-ringburnerwithsectionalcontrolmulti-ringburner(3.1.2)thatisdesignedsothatoneormoreofitsringsofburnerportscanbeutilisedindependently3.1.4multi
35、ringburnerwithsimplecontrolmulti-ringburner(3.1.2)thatisdesignedsothatitsringsofburnerportscannotbeutilisedindependently3.1.5overheatingsafetydeviceOSDtemperaturesensingdevicewhichisintendedtokeeptemperaturebelowoneparticularvalueduringabnormaloperatingconditionsoftheapplianceandwhichhasnoprovision
36、forsettingbytheenduserNote1toentry:Thesedevicesusuallyuseathermistororabimetalsensingpart(element).4Componentsingascookingappliances4.1 GeneralISO21364-1:2025,Clause4.1shallapplyinadditiontotherequirementsspecifiedinClaUSe4ofthisdocument.4.2 Manualgasshut-offvalvesISO21364-1:2025,4.2shallapplywithth
37、efollowingaddition.Formulti-ringhobburners,the“offpositionofasinglesectionalcontrolwithtwoclosingdirectionsshallbedesignedtomakeitimpossiblefortheknobtobeinadvertentlymovedfromoneadjustmentrangetoanother.However,ifeachringofsuchmulti-sectionalhobburnerissupervisedbyaflamesupervisiondevice(FSD),thesi
38、nglesectionalcontrolshallstopinits11ofposition.4.3 Knobs4.3.1 DesignofknobsISO21364-1:2025,4.3.1shallapplywiththefollowingaddition.Ifthecontrolknobofamulti-ringburneroperatesbyturning,theclosingdirectionshallonlybeclockwise.Thisdoesnotapplytomulti-ringhobburnerswithasinglesectionalcontrolandtwoclosi
39、ngdirections.4.3.2 MarkingforknobsISO21364-1:2025,4.3.2shallapply.4.4 MultifunctionalcontrolsISO21364-1:2025,4.4shallapply.4.5 ThermoelectricflamesupervisioncontrolsISO21364-1:2025,4.5shallapply.4.6 ThermostatsISO21364-1:2025,4.6shallapply.4.7 PressureregulatorsISO21364-1:2025,4.7shallapply.4.8 Auto
40、maticshut-offvalvesISO21364-1:2025,4.8shallapply.4.9 InjectorsandadjustersISO21364-1:2025,4.9shallapply.4.10 IgnitionsystemsISO21364-1:2025,4.10shallapply.4.11 Thermalcut-outsISO21364-1:2025,4.11shallapply.4.12 Multi-ringburnersTable1showsexamplesofmulti-ringburnersandtheiroperatingmodes.Table1Examp
41、lesoftypesofmulti-ringburnersandtheiroperatingmodes1innerburner-ring2outerburner-ring5 gassupply6 connectiontoFSD7 alternativeconnectiontoFSD3flamesupervisionsensor4manualgasshut-offvalveFSDatinnerorouterburnerringFSDatinnerorouterburnerringFSDatinnerandouterburnerringFSDatinnerandouterburnerringFSD
42、atinnerorouterburnerringTypeISimplecontrolTypeIISectionalcontrolTypeIIISectionalcontrolwithtwoturningdirectionsTypeIVTwosinglecontrolsTypeVSectionalcontrolwithtwoturningdirectionsMulti-ringburnerthatisdesignedsothatitsringsofburnerportscannotbeutilizedindependently,controlledbyamanualgasshut-offvalv
43、ewithoneoutletforcommonsupplyofallburnerringswithoneturningdirection.Multi-ringburnerthatisdesignedsothatoneormoreofitsringsofburnerportscanbeutilizedindependently,controlledbyamanualgasshut-offvalvewithtwoormoreoutletsforseparatesupplyoftheburnerringswithoneturningdirection.Multi-ringburnerthatisde
44、signedsothatoneormoreofitsringsofburnerportscanbeutilizedindependently,controlledbyamanualgasshut-offvalvewithtwoormoreoutletsforseparatesupplyoftheburnerringswithtwoturningdirections.Thetworingscannotbeoperatedtogether.Multi-ringburnerthatisdesignedsothatithastwoormoremanualgasshut-offvalveseachwit
45、honeoutletforseparatesupplyoftheburnerringsandsameturningdirection.Multi-ringburnerthatisdesignedsothatitscontrolhastwoturningdirections.Onedirectionisforutilizingoneburnerring.Theotherdirectionistoutilizebothburnerrings.4.13Overheatingsafetydevices(OSD)4.13.1 RequirementAnOSD,ifany,shallconformwith
46、therequirementsinISO23551-8:2016+A1:2O19,AnnexBB.ElectricalsafetyrequirementsfortheOSDshallconformtoIEC60730-2-9.AnOSDforagashobshallbeasfollows:a) whentestedaccording4.13.2,theOSDshallpreventtheoiltemperatureexceeding300;b) whenthethermalsensingpartisdamaged,thegaspassagetotheburnershallbeclosedand
47、shallnotbereopenedautomatically;c) forcircuitfailureorshort-circuit,thegaspassagetotheburnershallbeclosedandshallnotbereopenedautomatically;d) thetemperaturesensingpartoftheOSDshallbesecuredfirmly,inawaythatitcannotbeeasilymovedtoawrongposition;e) theOSDshallhaveastructureinwhichitcannotbeeasilyaltered;NOTEIfaspecialtoolordedicatedterminalisused,thisrequirementisdeemedtobefulfilled.f
