1、BRITISH STANDARD BS EN 13308:2002 Tanks for transport of dangerous goods Service equipment for tanks Non pressure balanced footvalve The European Standard EN 13308:2002 has the status of a British Standard ICS 13.300; 23.020.20; 23.060.20 BS EN 13308:2002 This British Standard, having been prepared
2、under the direction of the Engineering Sector Policy and Strategy Committee, was published under the authority of the Standards Policy and Strategy Committee on 4 December 2002 BSI 4 December 2002 ISBN 0 580 40906 6 National foreword This British Standard is the official English language version of
3、EN 13308:2002. The UK participation in its preparation was entrusted to Technical Committee AUE/18, Tanks for the transport of dangerous goods, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The Bri
4、tish Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards On
5、line. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the respons
6、ible international/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 inside front cover
7、, the EN title page, pages 2 to 15 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 EN13308 November2002 ICS13.300;23.020.20;23.060
8、.20 Englishversion TanksfortransportofdangerousgoodsServiceequipmentfor tanksNonpressurebalancedfootvalve Citernesdetransportdematiresdangereuses EquipementdeservicepourciternesClapetsdefond pressionnoncompense TanksfrdieBefrderunggefhrlicherGter BedienungsausrstungvonTanks NichtdruckausgeglichenesB
9、odenventil ThisEuropeanStandardwasapprovedbyCENon22August2002. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational st
10、andardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe offi
11、cial versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EU
12、ROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2002CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN13308:2002EEN13308:2002(E) 2 Contents page Foreword3 Introduction .4 1 Scope 5 2 Normativereferences 5 3 Termsanddefinitions
13、. .5 4 Functions5 5 Designcharacteristics .6 5.1 Pressurerating. 6 5.2 Dimensions.6 5.3 Mounting.6 5.4 Bottomloadingflowcharacteristics. .6 5.5 Actuation.6 5.6 Breakawaysecurity . .6 5.7 Temperaturerange . .7 5.8 Materialsofconstruction . .7 5.9 Electricalresistance . .7 5.10 Strainer7 6 Tests7 6.1
14、General7 6.2 Productiontests .7 6.2.1 General7 6.2.2 Shelltightnesstest 7 6.2.3 Seattightnesstest . 8 6.2.4 Operabilitytest .8 6.2.5 Testresults .8 6.3 Typetests .8 6.3.1 General8 6.3.2 Shellstrengthtest. .8 6.3.3 Shelltightnesstest 8 6.3.4 Seattightnesstest . 9 6.3.5 Operabilitytest .9 6.3.6 Mechan
15、icalEndurancetest. 9 6.3.7 Breakawaytest. .9 6.3.8 Testresults .10 7 Marking .10 8 Installation,operatingandmaintenancerecommendations.10 AnnexA(normative)Footvalvetotankmountingflangedimensions. .11 AnnexB(normative)Footvalverunoffflangedimensions .12 AnnexC(normative)Footvalverunoffflangedimension
16、s(square) . .13 AnnexD(normative)Breakawaytestpositions .14 AnnexE(informative)Breakawaytestapparatus 15EN13308:2002(E) 3 Foreword Thisdocument(EN13308:2002)hasbeenpreparedbyTechnicalCommitteeCEN/TC296,“Tanksfortransportof dangerousgoods“,thesecretariatofwhichisheldbyAFNOR. ThisEuropeanStandardshall
17、begiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbyMay2003,andconflictingnationalstandardsshallbewithdrawnatthelatestby May2003. ThisEuropeanStandardhasbeensubmittedforreferenceintotheRIDand/orinthetechnicalannexesoftheADR. Thereforeinthiscontextthe
18、standardslistedinthenormativereferencesandcoveringbasicrequirementsofthe RID/ADRnotaddressedwithinthepresentstandardarenormativeonlywhenthestandardsthemselvesare referredtointheRIDand/orinthetechnicalannexesoftheADR. InthisEuropeanStandardtheannexesA,B,CandDarenormativeandtheannexEisinformative. Thi
19、sEuropeanStandardformspartofacoherentstandardsprogrammecomprisingthefollowingstandards: Tanksfortransportofliquiddangerousgoodswithvapourpressurenotexceeding110kPa(absolute pressure)at50CandpetrolServiceEquipment: EN13081, TanksfortransportofdangerousgoodsServiceequipmentfortanksVapourcollectionadap
20、torand coupler EN13082, TanksfortransportofdangerousgoodsServiceequipmentfortanks Vapourtransfervalve EN13083, TanksfortransportofdangerousgoodsServiceequipmentfortanksAdaptorforbottomloadingand unloading EN13308,TanksfortransportofdangerousgoodsServiceequipmentfortanksNonpressurebalanced footvalve
21、EN13314, TanksfortransportofdangerousgoodsServiceequipmentfortanks Fillholecover EN13315, TanksfortransportofdangerousgoodsServiceequipmentfortanks Gravitydischargecoupler EN13316, TanksfortransportofdangerousgoodsServiceequipmentfortanks Pressurebalancedfootvalve EN13317, Tanksfortransportofdangero
22、usgoodsServiceequipmentfortanks Manholecoverassembly WI00296009,TanksfortransportofdangerousgoodsServiceequipmentfortanksPressureandvacuum breathervent WI00296010, TanksfortransportofdangerousgoodsServiceequipmentfortanksEmergencypressurerelief valve AccordingtotheCEN/CENELECInternalRegulations,then
23、ationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Spain, Sweden,SwitzerlandandtheUnitedKingdom.EN13308:2002(E) 4 Introduc
24、tion Thenonpressurebalancedfootvalve,alsocalledemergencyvalveorinternalsecurityvalve,thesubjectofthis standard,isaninternalselfclosingstopvalveensuringtheprimarycontainmenttoconfinethedangerous substanceswithinthetankwhenclosed. Itallowstheflowofdangeroussubstances intheunloadingdirection,thatis,fro
25、mthetankcompartmentintothe runoffpipeonlywhenexternallyactuated. Thenonpressurebalancedfootvalveshouldbecapableofallowingtransferofdangeroussubstancesinthe bottomloadingdirectionthroughselfactuationbythehydraulicforceoftheloadeddangeroussubstances.EN13308:2002(E) 5 1Scope ThisEuropeanStandardisappli
26、cabletononpressurebalancedfootvalveandspecifiestheperformance requirements,criticaldimensionsandtestsnecessarytoverifythecomplianceoftheequipmentwiththisstandard. Theequipmentspecifiedbythisstandardissuitableforusewithliquidpetroleumproductsandotherdangerous substancesofClass3ofADREuropeanAgreementc
27、oncerningtheInternationalCarriageofDangerousGoods byRoad(flammableliquids)whichhaveavapourpressurenotexceeding110kPaat50Candpetrol,andwhich havenosubclassificationastoxicorcorrosive . 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications.Thes
28、e normativereferencesarecitedattheappropriateplacesinthetextandthepublicationsarelistedhereafter.For datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropean Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthe publicatio
29、nreferredtoapplies(includingamendments). prEN122661:1999, IndustrialvalvesTestingofvalvesPart1:Tests,testproceduresandacceptancecriteria tobefulfilledbyeveryvalve. EN122662:2002,IndustrialvalvesTestingofvalvesPart 2: Supplementarytests,testproceduresand acceptancecriteria. ISO28591, Samplingprocedur
30、esforinspectionbyattributesPart1:Samplingschemesindexedbyacceptance qualitylimit(AQL)forlotbylotinspection. 3 Termsanddefinitions ForthepurposesofthisEuropeanStandard,thefollowingtermsanddefinitionsapply. 3.1 runoffpipe thetransferpipe,includingequipmentandfittings,onthevehiclewhichconnectsthenonpre
31、ssurebalanced footvalvetotheloading/unloadingadaptor 3.2 selfclosingvalve avalveheldintheclosedpositionbymeansofstoredenergy(suchasaspring)whichopensonlybyapplicationof externalforceandwhichcloseswhentheexternalforceisremoved 3.3 maximumallowableworkingpressure(MAWP) themaximumpressuretowhichtheequi
32、pmentisdesignedtooperate 4Functions Thenonpressurebalancedfootvalveshall: whenclosed,containthesubstancewithinthetankcompartment; whenopened,allowflowofthesubstanceintothecompartmentwhenbottomloading;EN13308:2002(E) 6 whenopened,allowflowofthesubstanceintotherunoffpipeforunloading; whennotactuated,a
33、llowthesubstancetoflowintothecompartmentbythehydraulicforceofthesubstance beingloaded. 5 Designcharacteristics 5.1Pressure rating Thenonpressurebalancedfootvalveshallbedesignedforaworkingpressureofatleast500kPa. 5.2Dimensions ThenonpressurebalancedfootvalveshallbedesignedforusewithDN100nominalborepi
34、pe. 5.3Mounting 5.3.1 ThetankmountingflangeshallbeinaccordancewithAnnexA; 5.3.2 ThepipeconnectionflangeshallbeinaccordancewithAnnexBorAnnexCaccordingtothespecified type. 5.4 Bottomloadingflowcharacteristics 5.4.1 Thenonpressurebalancedfootvalveshallbesuitableforbottomloadingratesupto150m 3 /hatawork
35、ing pressureupto500kPa; 5.4.2 Thenonpressurebalancedfootvalvedesignshallbesuchthatturbulence,jettingorsprayingofproductis effectivelycontrolled. 5.5Actuation 5.5.1 Thenonpressurebalancedfootvalveshallbeexternallyactuatedbymechanical,pneumaticorother means. 5.5.2 Thenonpressurebalancedfootvalveshallc
36、loseifitsactuatingmeansfailsorisdisconnected,except duringloading. 5.5.3 Thesettingofthevalvetotheopenpositionshallbevisible. 5.5.4 Amechanicalmeansofexternallyoperatingthenonpressurebalancedfootvalvemaybeprovidedforuse incaseofanemergency. 5.5.5 Themeansofactuationofthenonpressurebalancedfootvalves
37、hallbesodesignedastoprevent inadvertentopeningthroughimpactorunconsideredaction. 5.6Breakaway security 5.6.1 Thenonpressurebalancedfootvalveseatshallbedesignedtobelocatedwithintheenvelopeofthetanker compartment. 5.6.2 Thenonpressurebalancedfootvalveshallbedesignedsuchthatintheeventofaccidentaldamage
38、,the externalhousingshallbreakaway,leavingthenonpressurebalancedfootvalvesealingmechanismwithinthetank compartmentintact. 5.6.3 Theimpactenergyrequiredtobreakawaytheexternalhousingofthenonpressurebalancedfootvalve shallnotexceed1kJ.EN13308:2002(E) 7 5.7Temperature range Unlessotherwisespecified,thed
39、esigntemperaturerangeshallbe20Cto50C. Wherethenonpressurebalancedfootvalveissubjectedtomoresevereconditions,thedesigntemperaturerange shallbeextendedto40Cor+70Casapplicable. 5.8 Materialsofconstruction Themanufacturershallprovide,withtheequipment,afullmaterialspecificationforthosepartswhichmaycome i
40、ntocontactwiththesubstancesspecifiedinthescope. 5.9 Electricalresistance Theelectricalresistancebetweenanyconductivepartofthevalvewhichmaycomeintocontactwiththe transportedsubstancesandthemainbodyofthevalveshallnotexceed10 6 Provisionshallbemadeforthebondingofthemainbodyofthevalvetothetanksuchthatth
41、eelectricalresistance betweenthetwoshallnotexceed10 5.10Strainer Thenonpressurebalancedfootvalveshallbecapableofacceptingastrainertominimizethepossibilitythatloose foreignobjectswithinthetankmightpreventtheclosureofthenonpressurebalancedfootvalve. 6Tests 6.1General Twoclassesoftestsarerequired,produ
42、ctiontestsandtypetests. TestingmethodsandproceduresshallcomplywiththerequirementsofprEN122661:1999andEN122662:2002 exceptasspecifiedoramendedwithinthisstandard. 6.2Production tests 6.2.1General Thenumber,frequencyandsamplingmethodsofproductiontestsamplesshallnotbelessthanthosespecified withinISO2859
43、1,(AQLof2,5). Productiontestsshallcomprise: shelltightnesstest(seeclauseA.3ofprEN122661:1999); seattightnesstest(seeclauseA.4ofprEN122661:1999); operabilitytest(seeclauseB.1ofEN122662:2002). 6.2.2 Shelltightnesstest 6.2.2.1 Testpressure:inaccordancewithA.3.3.2ofprEN122661:1999. 6.2.2.2 Testduration:inaccordancewithA.3.3.3ofprEN122661:1999. 6.2.2.3 Acceptancecriteria:inaccordancewithA.3.4ofprEN1 22661:1999.EN13308:2002(E) 8 6.2.3 Seattightnesstest 6.2.3.1 Valveclassificationtype(fortestmethodselectiononly):checkv
