ISO／DIS 20766-16：2020.docx

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1、DRAFTINTERNATIONA1STANDARDISO/DIS20766-16IS0TC22SC41Votingbeginson:2023-04-29Secretariat:UNIVotingterminateson:2023-07-22Roadvehic1es1iquefiedpetro1eumgas(1PG)fue1systemcomponents一Part16:Injectorsandgasmixingdevice/fue1rai1VMcu1esroutiersEquipementspourVdhiCU1eSUti1isantIegazdeparo1eIiqUefid(GP1)com

2、mecombustib1e一Partie16:Injecteursetme1angeurdegaz/rampedecombustib1eICS:ISOicsTHISDOCUMENTISADRAFTCIRCU1ATEDFORCOMMENTANDAPPROVA1.ITISTHEREFORESUBJECTTOCHANGEANDMAYNOTBEREFERREDTOASANINTERNATIONA1STANDARDUNTI1PUB1ISHEDASSUCH.INADDITIONTOTHEIREVA1UATIONASBEINGACCEPTAB1EFORINDUSTRIA1TECHNO1OGICA1,COMM

3、ERCIA1ANDUSERPURPOSES.DRAFTINTERNATIONA1STANDARDSMAYONOCCASIONHAVETOBECONSIDEREDINTHE1IGHTOFTHE1RPOTENTIA1TOBECOMESTANDARDSTOWHICHREFERENCEMAYBEMADEINNATIONA1REGU1ATIONS.RECIPIENTSOFTHISDRAFTAREINVITEDTOSUBMIT.WITHTHEIRCOMMENTS.NOTIFICATIONOFANYRE1EVANTPATENTRIGHTSOFWHICHTHEYAREAWAREANDTOPROVIDESUPP

4、ORTINGDOCUMENTATION.Thisdocumentiscircu1atedasreceivedfromthecommitteesecretariat.ReferencenumberISO/DIS20766-16:2023(E)COPYRIGHTPROTECTEDDOCUMENTISO2023A11rightsreserved.Un1essotherwisespecied,orrequiredinthecontextofitsimp1ementation,nopartofthispub1icationmaybereproducedoruti1izedotherwiseinanyfo

5、rmorbyanymeans,e1ectronicormechanica1,inc1udingphotocopying,orpostingontheinternetoranintranet,withoutpriorwrittenpermission.PermissioncanberequestedfromeitherISOattheaddressbe1owor!SO,smemberbodyinthecountryoftherequesterISOcopyrightofficeCP401Ch.deB1andonnet8CH-1214VernieGenevaPhone:*41227490111Fa

6、x:41227490947Emai1:copyrightiso.orgWebsite:www.iso.orgPub1ishedinSwitzer1andPageContentsForeword1 SCOPe2 Normativereferences3 Termsanddenitions5 Constructionandassemb1y.6 Tests6. 1App1icabi1ity6.2 Hydrostaticstrength6.3 1eakage6.4 Continuedoperation6.5 Insu1ationresistance6.6 .Minimumopeningvo1tage.

7、ForewordISO(theInternationa1OrganizationforStandardization)isawor1dwidefederationofnationa1standardsbodies(ISOmemberbodies).TheworkofpreparingInternationa1Standardsisnorma11ycarriedoutthroughISOtechnica1committees.Eachmemberbodyinterestedinasubjectforwhichatechnica1committeehasbeenestab1ishedhasther

8、ighttoberepresentedonthatcommittee,internationa1organizations,governmenta1andnon-governmenta1,in1iaisonwithISO,a1sotakepartinthework.ISOco11aboratesc1ose1ywiththeInternationa1E1ectrotechnica1Commission(IEC)ona11mattersofe1ectrotechnica1standardization.Theproceduresusedtodeve1opthisdocumentandthosein

9、tendedforitsfurthermaintenancearedescribedinthe1SOIECDirectives,Part1.Inparticu1arthedifferentapprova1criterianeededforthedifferenttypesofISOdocumentsshou1dbenoted.Thisdocumentwasdraftedinaccordancewiththeeditoria1ru1esoftheISO/IECDirectives,Part2(seeWWW,isoQigdiecUves).Attentionisdrawntothepossibi1

10、itythatsomeofthee1ementsofthisdocumentmaybethesubjectofpatentrights.ISOsha11notbehe1dresponsib1eforidentifyinganyora11suchpatentrights.Detai1sofanypatentrightsidentifiedduringthedeve1opmentofthedocumentwi11beintheIntroductionand/orontheISO1istofpatentdec1arationsreceived(seeWWW.iso.org/patents).Anyt

11、radenameusedinthisdocumentisinformationgivenfortheconvenienceofusersanddoesnotconstituteanendorsement.Foranexp1anationonthevo1untarynatureofstandards,themeaningofISOspecifictermsandexpressionsre1atedtoconformityassessment,aswe11asinformationaboutISOsadherencetotheWor1dTradeOrganization(WTO)princip1e

12、sintheTechnica1BarrierstoTrade(TBT)seethefo11owingUR1:www.iso.org/iso/foreword.htm1ThisdocumentwaspreparedbyTechnica1CommitteeISO/TC22,RoadVehic1es,SubcommitteeSC41,Specificaspectsforgaseousfue1s.A1istofa11partsintheISO20766-seriescanbefoundontheISOwebsite.Roadvehic1es1iquefiedpetro1eumgas(1PG)fue1s

13、ystemcomponents一Part16:Injectorsandgasmixingdevice/fue1rai11 ScopeThisdocumentspecifiesgenera1requirementsanddefinitionsof1iquefiedpetro1eumgasfue1components,intendedforuseonthetypesofmotorvehic1esasdefinedinISO3833.Ita1soprovidesgenera1designprincip1es,andspecifiesrequirementsforinstructionsandmark

14、ing.Thisdocumentisapp1icab1etovehic1es(mono-fue1,bi-fue1ordua1-fue1app1ications)usinggaseousfue1sinaccordancewithISO9162.Itisnotapp1icab1etothefo11owing:a) fue1containers;b) stationarygasengines;c) containermountinghardware;d) e1ectronicfue1management;ande) refue11ingreceptac1es.NOTE1Itisrecognizedt

15、hatmisce11aneouscomponentsnotspecifica11yaddressedhereincanbeexaminedforcomp1iancewiththecriteriaofanyapp1icab1epartofISO20766,inc1udingtestingtotheappropriatefunctiona1tests.NOTE2A11referencestopressureinthisdocumentareconsideredgaugepressuresun1essotherwisespecified.NOTE3Thisdocumentapp1iestodevic

16、eswhichhaveaservicepressureintherangeof110kPa(Butanerichat20)and840kPa(Propaneat20),hereinafterreferredtointhisInternationa1Standard.Otherservicepressurescanbeaccommodatedbyadjustingthepressurebytheappropriatefactor(ratio).2 NormativereferencesThefo11owingdocumentsarereferredtointhetextinsuchawaythatsomeora