1、BRITISH STANDARD BS EN 12806:2003 Automotive liquefied petroleum gas components Other than containers The European Standard EN 12806:2003 has the status of a British Standard ICS 43.060.40 BS EN 12806:2003 This British Standard was published under the authority of the Standards Policy and Strategy C
2、ommittee on 25 April 2003 BSI 25 April 2003 ISBN 0 580 41678 X National foreword This British Standard is the official English language version of EN 12806:2003. The UK participation in its preparation was entrusted to Technical Committee PVE/19, LPG containers and their associated fittings, which h
3、as the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section
4、entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compl
5、iance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related
6、 international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 76, an inside back cover and a back cover. The BSI copyright date displayed in this document indicates when the documen
7、t was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN12806 April2003 ICS43.060.40 Englishversion AutomotiveliquefiedpetroleumgascomponentsOtherthan containers BauteilefrAutogasanlagen/TreibgasanlagenBauteile, ausgenommenAutogas
8、tanks ThisEuropeanStandardwasapprovedbyCENon13February2003. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational stand
9、ardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe officia
10、l versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Slovakia,Spain,Sweden,SwitzerlandandUn ited Kingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDE
11、NORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2003CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN12806:2003EEN12806:2003(E) 2 Contents page Foreword7 1 Scope 8 2 Normativereferences 8 3 Terms,definitionsan
12、dabbreviations 9 3.1 Termsanddefinitions. .9 3.2 Abbreviations .9 4 Technicalrequirements .9 4.1 General9 4.2 Generaldesignrules .11 4.2.1 ElectricallyoperateddevicescontainingLPG 11 4.2.2 Remotelyoperatedvalves .11 4.2.3 Heatexchangermaterials .11 4.2.4 Componentscontaininghighandlowpressureparts.
13、12 4.3 Materials12 4.4 Designtemperature .12 5 Classificationofcomponents .12 6 Constructionandworkmanship .13 7 Tests13 7.1 General13 7.2 Overpressuretest . .14 7.2.1 General14 7.2.2 Testprocedure .14 7.2.3 Interpretationofthetest 14 7.2.4 Retesting.14 7.3 Externalleaktests . 14 7.3.1 Prototypetest
14、ing . 14 7.3.2 Productiontesting .15 7.4 Seatleaktest 15 7.4.1 Prototypetesting . 15 7.4.2 Productiontesting .16 7.5 Operationaltest s16 7.5.1 Pressurereliefvalveandhydrostaticreliefvalve 16 7.5.2 Excessflowvalve . .18 7.5.3 80%stopvalve .18 7.5.4 Fusibleplug 19 7.6 Endurancetest .20 7.6.1 General20
15、 7.6.2 Testprocedure .20 7.6.3 Testinterpretation . 20 7.6.4 Retesting.20 7.7 Vibrationtest 20 7.7.1 General20 7.7.2 Testprocedure .21 7.8 LPGcompatibilitytest(forrubbermaterials) . 23 7.8.1 Testprocedure .23 7.8.2 Testinterpretation . 23 7.8.3 Retesting.23 7.9 Corrosionresistancetest. .23 7.9.1 Tes
16、tprocedure .23 7.9.2 Testinterpretation . 23EN12806:2003(E) 3 7.9.3 Retesting.24 7.10 Resistancetodryheattest .24 7.10.1 General24 7.10.2 Testprocedure. 24 7.10.3 Testinterpretation .24 7.10.4 Retesting.24 7.11 Ozoneageingtest 24 7.11.1 General24 7.11.2 Testprocedure. 24 7.11.3 Testinterpretation .2
17、4 7.11.4 Retesting.24 7.12 Creeptest . 25 7.12.1 Testprocedure. 25 7.12.2 Testinterpretation .25 7.12.3 Retesting.25 7.13 Temperaturecycletest. .25 7.13.1 Testprocedure. 25 7.13.2 Testinterpretation .25 7.13.3 Retesting.25 8 Markings .25 AnnexA (informative) ClassificationofautomotiveLPGcomponents .
18、27 AnnexB (informative) Prototypeapprovalrequirements .28 B.1 Applicationforprototypeapproval 28 B.2 ApprovalaccordingtoUN/ECERegulation67 .28 B.3 Modificationofthecomponentandextensionofapproval. 28 B.4 Conformityofproduction .29 B.5 Productiondefinitelydiscontinued 29 B.6 Exampleofacommunicationfo
19、rm. .30 B.7 Typeapprovalmark .31 B.8 Internationalcountrynumbers. 31 AnnexC (normative) Requirementsforthecomponentsfittedinoronthecontainer .33 C.1 80%stopvalve . .33 C.1.1 Definition 33 C.1.2 Designcriteria. .33 C.1.3 Specificdesignrules. 33 C.1.4 Testprocedures. 34 C.2 Levelindicator. .34 C.2.1 D
20、efinition 34 C.2.2 Designcriteria. .34 C.2.3 Specificdesignrules. 34 C.2.4 Testprocedures. 35 C.3 Float 35 C.3.1 Definition 35 C.3.2 Designcriteria. .35 C.3.3 Specificdesignrules. 35 C.3.4 Testprocedures. 35 C.4 Pressurereliefvalve. .36 C.4.1 Definition 36 C.4.2 Designcriteria. .36 C.4.3 Specificdes
21、ignrules. 36 C.4.4 Testprocedures. 36 C.5 Remotecontrolledservicevalvewithexcessflowvalve 37 C.5.1 Definition 37 C.5.2 Designcriteria. .37 C.5.3 Specificdesignrules. 37 C.5.4 Testprocedures. 37 C.6 Excessflowvalve . .37 C.6.1 Definition 37 C.6.2 Designcriteria. .37 C.6.3 Specificdesignrules. 38 C.6.
22、4 Testprocedures. 38EN12806:2003(E) 4 C.7 PressureReliefDevice(PRD) .38 C.7.1 Definition.38 C.7.2 Designcriteria . .38 C.7.3 Specificdesignrulesforthefusibleplug .38 C.7.4 Testprocedurestobeapplied. .39 AnnexD (normative) Requirementsforthefuelpump40 D.1 Definition.40 D.2 Designcriteria . .40 D.3 Sp
23、ecificdesignrules . 40 D.4 Testprocedures . 40 D.4.1 Fuelpumpmountedinsidethecontainer .40 D.4.2 Fuelpumpmountedoutsidethecontainer . 40 AnnexE (normative) Requirementsforthegastighthousing.41 E.1 Definition.41 E.2 Designcriteria . .41 E.3 Specificdesignrules . 41 E.4 Applicabletests 41 AnnexF (norm
24、ative) Requirementsforthepowersupplybushing.42 F.1 Definition.42 F.2 Designcriteria . .42 F.3 Specificdesignrules . 42 F.4 Applicabletests 42 AnnexG (normative) Requirementsforthenonreturnvalve 43 G.1 Definition.43 G.2 Designcriteria . .43 G.3 Specificdesignrules . 43 G.4 Applicabletests 43 AnnexH (
25、normative) Requirementsforthemultivalve44 H.1 Definition.44 H.2 Designcriteria . .44 H.3 Specificdesignrules . 44 H.4 Applicabletests 44 AnnexI (normative) Requirementsforthevaporiser/pressureregulator .45 I.1 Definition.45 I.2 Designcriteria . .45 I.3 Specificdesignrules . 45 I.4 Applicabletests 45
26、 I.4.1 Class1. 45 I.4.2 Class2/2A .46 AnnexJ (normative) Requirementsfortheremotecontrolledshutoffvalve 47 J.1 Definition.47 J.2 Designcriteria . .47 J.3 Specificdesignrules . 47 J.4 Applicabletests 47 AnnexK (normative) RequirementsforLPGinjectorsandthemixingunit48 K.1 Injector 48 K.1.1 Definition.
27、48 K.1.2 Designcriteria . .48 K.1.3 Specificdesignrules . 48 K.1.4 Applicabletests 48 K.2 Mixingunit . .48 K.2.1 Definition.48 K.2.2 Designcriteria . .49 K.2.3 Specificdesignrules . 49 K.2.4 Applicabletests 49 AnnexL (normative) RequirementsfortheLPGdosageunit 50 L.1 Definition.50 L.2 Designcriteria
28、 . .50EN12806:2003(E) 5 L.3 Specificdesignrules. 50 L.4 Applicabletests .50 AnnexM (normative) Requirementsfortheflexiblehoses 51 M.1 Definition 51 M.2 Designcriteria. .51 M.3 Specificdesignrules. 51 M.3.1 General51 M.3.2 Rubberhose . 51 M.3.3 Synthetichose .52 M.3.4 Couplings .52 M.3.5 Assemblyofho
29、seandcouplings .52 M.4 Tests52 M.4.1 Lining 52 M.4.2 Cover.53 M.4.3 Uncoupledhose .54 M.4.4 Theassemblyofhoseandcouplings 55 M.4.5 Bendingtest .56 M.4.6 Impulsetest 57 M.5 Markings .58 AnnexN (normative) Requirementsforthehydrostaticreliefvalve .59 N.1 Definition 59 N.2 Designcriteria. .59 N.3 Speci
30、ficdesignrules. 59 N.4 Applicabletests .59 AnnexO (normative) Requirementsforthefilterunit .60 O.1 Definition 60 O.2 Designcriteria. .60 O.3 Specificdesignrules. 60 O.4 Applicabletests .60 O.4.1 ForpartsofClass1 .60 O.4.2 ForpartsofClass2and/or2A 61 AnnexP (normative) Requirementsforthepressureand/o
31、rtemperaturesensor.62 P.1 Definitions 62 P.1.1 Pressuresensor. 62 P.1.2 Temperaturesensor 62 P.2 Designcriteria. .62 P.3 Specificdesignrules. 62 P.4 Applicabletests .62 P.4.1 ForClass1. .62 P.4.2 ForClass2and/or2A. .63 AnnexQ (normative) Requirementsfortheservicecoupling64 Q.1 Definition 64 Q.2 Desi
32、gncriteria. .64 Q.3 Specificdesignrules. 64 Q.4 Applicabletestsprocedure .64 AnnexR (normative) RequirementsfortheElectronicControlUnit(ECU) 65 R.1 Definition 65 R.2 Designcriteria. .65 R.3 Specificdesignrules. 65 AnnexS (normative) Requirementsforthefuelrail 6 6 S.1 Definition: .66 S.2 Designcriter
33、ia. .66 S.3 Specificdesignrules. 66 S.4 Applicabletests .66 S.4.1 ForfuelrailsofClass1 . 66 S.4.2 ForfuelrailsofClass2and/or2A. .67 AnnexT (normative) Requirementsforthefillingunit68 T.1 Definition 68 T.2 Designcriteria. .68EN12806:2003(E) 6 T.3 Specificdesignrules . 68 T.3.1 General68 T.3.2 Specifi
34、crequirementsforthelightvehicleEurofillingunit. .69 T.4 Applicabletests 70 T.4.1 General70 T.4.2 Impacttest . .70 T.5 MaindimensionsofdifferenttypesofvehiclefillingunitsinuseinEurope 71 Bibliography 76EN12806:2003(E) 7 Foreword Thisdocument(EN12806:2003)hasbeenpreparedbyTechnicalCommitteeCEN/TC286,“
35、Liquefiedpetroleum gasequipmentandaccessories“,thesecretariatofwhichisheldbyNSAI. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbyOctober2003,andconflictingnationalstandardsshallbewithdrawnatthelatest byOctober2003. Annex
36、esAandBareinformative. AnnexesC,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,SandTarenormative. ThisdocumentincludesaBibliography. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finl
37、and, France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal, Slovakia,Spain,Sweden,SwitzerlandandtheUnitedKingdom.EN12806:2003(E) 8 1Scope ThisEuropeanStandardspecifiesthegeneraldesignandtestingrequirementsforallcomponents,inautomotive LiquefiedPetroleumGas(
38、LPG)propulsionsystems,whichhaveaworkingpressureequaltoorgreaterthan20 kPa. ThisEuropeanStandardalsospecifiestherequirementsfortheElectricControlUnit(ECU),whichisnotsubjected topressure,andthegastighthousingwhichhasaworkingpressurebelow20kPa. ThisEuropeanStandardexcludescontainers. 2 Normativereferen
39、ces ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications.These normativereferencesarecitedattheappropriateplacesinthetext,andthepublicationsarelistedhereafter.For datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropean Standar
40、donlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthe publicationreferredtoapplies(includingamendments). EN549:1994, Rubbermaterialsforsealsanddiaphragmsforgasappliancesandgasequipment. EN589, AutomotivefuelsLPGRequirementsandtestmethods. ENISO2281,Pipethreadswhere
41、pressuretightjointsarenotmadeonthethreadsPart1:Dimensions, tolerancesanddesignation(ISO2281:2000). ENISO1307:1998, RubberandplastichosesforgeneralpurposeindustrialapplicationsBorediametersand tolerances,andtolerancesonlength(ISO1307:1992) . ENISO1402, RubberandplasticshosesandhoseassembliesHydrostat
42、ictesting(ISO1402:1994). ENISO4080,RubberandplasticshosesandhoseassembliesDeterminationofpermeabilitytogas(ISO 4080:1991). ENISO4672 ,RubberandplasticshosesSubambienttemperatureflexibilitytests(ISO4672:1997). EN60068252, EnvironmentaltestingPart2.TestsTestKb:Saltmist,cyclic(sodiumchloridesolution)(I
43、EC 60068252:1996). EN60529:1991, Degreesofprotectionprovidedbyenclosures(IPcode)(IEC60529:1989). ISO37, Rubber,vulcanizedorthermoplasticDeterminationoftensilestressstrainproperties. ISO188, Rubber,vulcanizedorthermoplasticAcceleratedageingandheatresistancetests. ISO14311, Rubber,vulcanizedorthermopl
44、asticResistancetoozonecrackingPart1:Staticstraintest. ISO14361, RubberhosesandhoseassembliesWirebraidreinforcedhydraulictypesSpecificationPart1: Oilbasedfluidapplications. ISO1817, Rubber,vulcanizedDeterminationoftheeffectofliquids. ISO6957, CopperalloysAmmoniatestforstresscorrosionresistance. ISO92
45、27, CorrosiontestsinartificialatmospheresSaltspraytests.EN12806:2003(E) 9 3 Terms,definitionsandabbreviations 3.1Termsanddefinitions ForthepurposesofthisEuropeanStandard,thefollowingtermsanddefinitionsapply. 3.1.1 pressure gaugepressure,unlessotherwisestated 3.1.2 testpressure pressuretowhichthecomponent,oranassemblyofcomponents,issubjectedduringthetest 3.1.3 designpressure pressureonwhichthecalculationsarebased 3.1.4 workingpressur
