1、BRITISH STANDARD BS EN 12979:2002 Automotive LPG systems Installation requirements The European Standard EN 12979:2002 has the status of a British Standard ICS 43.040.99; 23.020.20 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBS EN 12979:2002 This British Standard, having be
2、en prepared under the direction of the Engineering Sector Policy and Strategy Committee, was published under the authority of the Standards Policy and Strategy Committee on 27 February 2002 BSI 27 February 2002 ISBN 0 580 39192 2 National foreword This British Standard is the official English langua
3、ge version of EN 12979:2002. The UK participation in its preparation was entrusted to Technical Committee PVE/19, LPG containers and their associated fittings, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-re
4、ferences The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Ca
5、talogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the
6、text; present to the responsible European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an insi
7、de front cover, the EN title page, pages 2 to 26, an inside back cover and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN12979 Jan
8、uary2002 ICS43.060.40 Englishversion AutomotiveLPGsystemsInstallationrequirements VhiculesGazdePtroleLiqufis(GPL)Exigences dinstallation SystemefrmitFlssiggasbetriebene(LPG)Fahrzeuge Einbauvorschriften ThisEuropeanStandardwasapprovedbyCENon16November2001. CENmembersareboundtocomplywiththeCEN/CENELEC
9、InternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeof
10、ficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,Franc
11、e,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2002CEN Allrightsofexploitationina
12、nyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN12979:2002EEN12979:2002(E) 2 Contents page Foreword3 Introduction .4 1 Scope 4 2 Normativereferences 4 3 Termsanddefinitions. .4 4 Symbolsandabbreviatedterms. 7 5 Installationrequirements . .7 5.1 Generalrequirements 7 5.2 Connecti
13、onstoLPGsystem. 7 5.3 LPGidentificationmarkforM 2 andM 3 categoryvehicles .8 5.4 Changestothevehiclestructure .8 5.5 Containerinstallation 8 5.6 Installationofmorethanonecontainer . .9 5.7 Componentsonorinthecontainer . 9 5.7.1 Generalrequirements 9 5.7.2 Remotecontrolledservicevalvewithexcessflowva
14、lveonthecontainer.9 5.7.3 Pressurereliefvalve . .9 5.7.4 Fillingunit .9 5.7.5 80%stopvalve . .9 5.7.6 Levelindicator. .10 5.7.7 Gastighthousing . .10 5.8 Gaspipesandhoses . 10 5.9 GasconnectionsbetweencomponentsoftheLPGsystem .10 5.10 Remotecontrolledshutoffvalve. 11 5.11 Vehicleconnector 11 5.12 El
15、ectricalinstallation .11 5.13 Fuelselectionsystem 12 5.14 Pressurereliefdevice. .12 5.15 Installationmanual 12 5.15.1 General12 5.15.2 Contentsoftheinstallationmanual .12 6 Markingsincaseofretrofitinstallation. 13 AnnexA (informative) Definitionsofvehiclecategories(extractfromDirective70/156) .14 A.
16、1 Internationalclassificationofvehiclecategories .14 A.2 Loadandcheckingconditions .16 AnnexB (normative) Containerfixingrequirementsuptoacapacityof150litres 19 B.1 Generalrequirements 19 B.2 Containerframe. .20 AnnexC (normative) Arrangementofapprovalmarkings .21 C.1 Typeapprovalmarking. .21 C.2 In
17、ternationalcountrynumbers. 22 AnnexD (normative) ProvisionsregardingtheidentificationforM 2 andM 3 categoryvehicles23 AnnexE (normative) Provisionsregardingtheidentificationoftheservicecoupling.24 AnnexF (informative) Installationofmorethanonecontainer .25 Bibliography 26EN12979:2002(E) 3 Foreword T
18、hisEuropeanStandardhasbeenpreparedbyTechnicalCommitteeCEN/TC286“LiquefiedPetroleumGas equipmentandAccessories“,thesecretariatofwhichisheldbyNSAI. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbyJuly2002,andconflictingnati
19、onalstandardsshallbewithdrawnatthelatestby July2002. AnnexesAandFareinformative. AnnexesB,C,DandEarenormative. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland,
20、France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Spain, Sweden,SwitzerlandandtheUnitedKingdom.EN12979:2002(E) 4 Introduction ThisEuropeanStandardspecifiesrequirementsfortheinstallationofequipmentfortheuseofLiquefiedPetroleum Gas(LPG)inautomotivepropulsionsyste
21、ms. ThisEuropeanStandardcallsfortheuseofsubstancesandproceduresthatcanbeinjurioustohealthifadequate precautionsarenottaken.Itrefersonlytotechnicalsuitabilityanddoesnotabsolvetheuserfromlegalobligations relatingtohealthandsafetyatanystage. IthasbeenassumedinthedraftingofthisEuropeanStandardthatexecut
22、ionofitsprovisionsisentrustedto appropriatelyqualifiedandexperiencedpeople. 1Scope ThisEuropeanStandardspecifiestherequirementsfortheinstallationofautomotiveLPGcomponentsthatcomply withprEN12805andprEN12806. Theserequirementsaretoensuresafeoperationofsuchcomponents. Thisstandarddoesnotcovertypeappro
23、valofaLPGmotorvehicle. NOTE TypeapprovalrequirementsarecoveredinUN/ECERegulationsandEUlegislation. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications.These normativereferencesarecitedattheappropriateplacesinthetext,andthepublicationsarelis
24、tedhereafter.For datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropean Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthe publicationreferredtoapplies(includingamendments). EN589, AutomotivefuelsLPGRequirementsandtes
25、tmethods. ISO630, StructuralsteelsPlates,wideflats,bars,sectionsandprofiles. ISO8981, MechanicalpropertiesoffastenersmadeofcarbonsteelandalloysteelPart1:Bolts,screwsand studs. prEN12805, AutomotiveliquefiedpetroleumgascomponentsTanks. prEN12806, AutomotiveliquefiedpetroleumgascomponentsOtherthantank
26、s. EN60529, Degreesofprotectionprovidedbyenclosures(IPcode)(IEC60529:1989). 3 Termsanddefinitions ForthepurposesofthisEuropeanStandard,thefollowingtermsanddefinitionsapply. 3.1 testpressure pressuretowhichthecomponentoranassemblyofcomponentsissubjectedduringthetestprocedureEN12979:2002(E) 5 3.2 work
27、ingpressure pressureundernormaloperatingconditions 3.3 LiquefiedPetroleumGas(LPG) mixtureoflighthydrocarbons,gaseousundernormalatmosphericconditionswhichcanbeliquefiedbyincreased pressureordecreasedtemperature,themaincomponentsarepropane,propene,butaneandbuteneisomers 3.4 automotiveLPG motorfuelacco
28、rdingtoEN589 3.5 container vesselusedforthestorageofautomotiveLPG 3.6 80%stopvalve devicethatlimitsthefillingofthecontainerto80%ofthewatercapacity NOTE the80%stopvalvecanbecombinedwiththefillingunit. 3.7 levelindicator devicethatshowsthelevelofliquidinthecontainer 3.8 pressurereliefvalve devicethatl
29、imitsthepressurebuildupinthecontainer 3.9 remotecontrolledservicevalve devicethatallowsorinterruptstheLPGsupplytothevaporizer/pressureregulator 3.10 excessflowvalve devicethatinterruptstheflowofLPGincaseofacompletepipefractureorhoserupture 3.11 gastighthousing coverthatprotectsthecomponentsfittedtot
30、hecontainerandventsanyleaktotheventingtube 3.12 powersupplybushing gastightelectricalpowerconductor 3.13 nonreturnvalve devicethatallowsflowinonedirectiononly 3.14 pressurereliefdevice(i.e.fusibleplug) componentprotectingthecontainerfromburstingbyventingtheLPGcontentatapresettemperature 3.15 filling
31、unit devicethatallowsthecontainertobefilledwithLPGandpreventsflowinthereversedirection NOTE Thefillingunitcanbecombinedwiththe80%stopvalve.EN12979:2002(E) 6 3.16 ventingtube ductthatconnectsthegastighthousingtotheatmospherebywayofaflangedfitting(leadthrough)fittedtothe chassisofthevehicle 3.17 elect
32、roniccontrolunit devicethatcontrolstheelectricalpowersupplytotheremotecontrolledservicevalves 3.18 fuelrail pipeorflexiblehosethatsuppliesthefueltotheinjectiondevices 3.19 vehicleconnector devicelocatedattheoutsideofthevehicleusedtorefuelthevehicle NOTE Thevehicleconnectorcanbecombinedwiththefilling
33、unitand/orthe80%stopvalvewhenthecontainerisnot installedinsidethevehicle 3.20 vehicletype vehicleorfamilyofvehicleswhichhavethefollowingcharacteristicsincommon: themanufacturerstypedesignation; theessentialaspectsofdesignandconstruction; chassis/floorpan; installationoftheLPGequipment. 3.21 typeofau
34、tomotiveLPGsystem LPGsystemorfamilyofLPGsystemswhichhavethefollowingcharacteristicsincommon: automotive LPGsystem manufacturer; pressureregulator/vaporisertypeandmanufacturer; gasfuellingsystemtypeandmanufacturer,i.e.inductionmixer,injectordevice,vapourorliquid,singleor multipointinjectionsystem: se
35、nsors; containertypeandmanufacturer; containeraccessoriestypeandmanufacturer; container frame; ECU(ElectronicControlUnit)typebythesamemanufacturer; basicsoftwareasfarassafetyissuesareconcerned; installation manual; user manual.EN12979:2002(E) 7 4 Symbolsandabbreviatedterms EMC ElectroMagneticCompati
36、bility g accelerationdueto gravity PRV PressureReliefValve PRD PressureReliefDevice 5 Installationrequirements 5.1Generalrequirements TheinstalleroftheLPGsystemshallensurethat: hepossessestheexpertisenecessaryfortheproperinstallationoftheLPGsystem, hehasaqualitycontrolsystemthatensuresthattheinstall
37、ationoftheLPGsystemmeetstherequirementsof thisstandard, hemaintainsrecordsoftheleaktestandstartupoperationsthatarecarriedoutaftertheinstallation, theLPGsysteminstalledinthevehicleshallfunctioninsuchamannerthatthepressureforwhichithasbeen designedandapprovedcannotbeexceeded, allcomponentsoftheautomot
38、iveLPGsystemcomplywithprEN12805andprEN12806 additional equipmentrequiredfortheeffectiveoperationoftheengine,notcoveredbyprEN12805andprEN12806are installedonlyinpartsoftheLPGsystemwherethepressureislessthan20kPa, allpartsofthesystemaresecurelyfastened, theLPGsystemhasbeentestedandcorrectedforleaks, t
39、heLPGsystemisinstalledsothatitisadequatelyprotectedagainstdamageduetomovingvehicle components,collision,gritortotheloadingorunloadingofthevehicleortheshiftingofthoseloads, allcomponentsareinstalledsothatitispossibletoinspectthemandtherelevantmarkingscanberead. Excludingthecontainer,nocomponentoftheL
40、PGsystem,includinganyprotectivematerialwhichformpartof suchcomponents,shallprojectbeyondtheexternalsurfaceofthevehicle,withtheexceptionofthevehicle connectorifthisdoesnotprojectmorethan10mmbeyondthenominallineofthebodypanel.Nocomponent oftheLPGsystem,includingitsprotectivematerialifapplicable,exclud
41、ingthecontainer,shallbeinstalled belowtheloweredgeofthevehicle.NocomponentoftheLPGsystemshallbelocatedwithin100mmofthe exhaustorsimilarheatsource,unlessadequateshieldingagainstheatisprovided, theinstallationoftheautomotiveLPGsystemcomplieswiththerelevantelectromagneticcompatibility(EMC) requirements
42、. IncaseofaretrofitinstallationoftheLPGsystem,themanufacturerofthesystemshallsupplyinstallation instructionstotheinstalleroftheLPGsystem. 5.2ConnectionstoLPGsystem Noappliancesshallbeconnectedtothepropulsionsystemotherthanthosestrictlyrequiredfortheproper operationoftheengineofthemotorvehicle.EN1297
43、9:2002(E) 8 MotorvehiclesofcategoriesM 2 ,M 3 ,N 2 ,N 3 andM 1 (seeannexA)havingamaximumtotalmassofmorethan3500 kgfittedwithacompartmentheatingsystemwhichisconnectedtotheLPGsystemshallbeadequatelyprotected againstunintendedgasescapeandtheoperationoftheLPGpropulsionsystemshallnotbeaffected. Cookingap
44、pliancesconnectedtothevapourphaseofthecontainershallbeadequatelyprotectedagainst unintendedgasescapeandtheoperationoftheLPGpropulsionsystemshallnotbeaffected. Heatingand/orcookingsystemshallnotbeconnectedtotheliquidphaseofthecontainer.Thevapourtakeoff systemshallbeprotectedbyamanualorremotelycontroll
