SANS 13591-2008 Small craft - Portable fuel systems for outboard motors《小艇 舷外机便携式燃油系统》.pdf

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1、 Collection of SANS standards in electronic format (PDF) 1. Copyright This standard is available to staff members of companies that have subscribed to the complete collection of SANS standards in accordance with a formal copyright agreement. This document may reside on a CENTRAL FILE SERVER or INTRA

2、NET SYSTEM only. Unless specific permission has been granted, this document MAY NOT be sent or given to staff members from other companies or organizations. Doing so would constitute a VIOLATION of SABS copyright rules. 2. Indemnity The South African Bureau of Standards accepts no liability for any

3、damage whatsoever than may result from the use of this material or the information contain therein, irrespective of the cause and quantum thereof. ISBN 978-0-626-21979-6 SANS 13591:2008 Edition 1 ISO 13591:1997 Edition 1SOUTH AFRICAN NATIONAL STANDARD Small craft Portable fuel systems for outboard m

4、otors This national standard is the identical implementation of ISO 13591:1997, and is adopted with the permission of the International Organization for Standardization. Published by SABS Standards Division 1 Dr Lategan Road Groenkloof Private Bag X191 Pretoria 0001 Tel: +27 12 428 7911 Fax: +27 12

5、344 1568 www.sabs.co.za SABS This standard may only be used and printed by approved subscription and freemailing clients of the SABS.SANS 13591:2008 Edition 1 ISO 13591:1997 Edition 1 Table of changes Change No. Date Scope National foreword This South African standard was approved by National Commit

6、tee SABS TC 188, Small craft, in accordance with procedures of the SABS Standards Division, in compliance with annex 3 of the WTO/TBT agreement. This SANS document was published in September 2008. This standard may only be used and printed by approved subscription and freemailing clients of the SABS

7、.A Referencenumbe r ISO13591:1997 (E) INTERNATIONAL STANDARD ISO 13591 Firstedition 19971215 SmallcraftPortablefuelsystems foroutboardmotors NaviresdeplaisanceInstallationscarburantportativespourmoteurs horsbord SANS 13591:2008This standard may only be used and printed by approved subscription and f

8、reemailing clients of the SABS.ISO13591:1997(E) ISO1997 Allrightsreserved.Unlessotherwisespecified,nopartofthispublicationmaybereproducedorutilizedinanyformorbyan ymeans,electronic ormechanical,includingphotocopyingandmicrofilm,withoutpermissioninwritingfromthepublisher. InternationalOrganizationfor

9、Standardization Casepostale56 CH1211Genve20 Switzerland Internet centraliso.ch X.400 c=ch;a=400net;p=iso;o=isocs;s=central PrintedinSwitzerland ii Foreword ISO(theInternationalOrganizationforStandardization)isaworldwidefederationofnationalstandardsbodies(ISO memberbodies).TheworkofpreparingInternati

10、onalStandardsisnormallycarriedoutthroughISOtechnical committees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeenestablishedhas therighttoberepresentedonthatcommittee.Internationalorganizations,governmentalandnongovernmental,in liaisonwithISO,alsotakepartinthework.ISOcollaboratesc

11、loselywiththeInternationalElectrotechnical Commission(IEC)onallmattersofelectrotechnicalstandardization. DraftInternationalStandardsadoptedbythetechnicalcommitteesarecirculatedtothememberbodiesforvoting. PublicationasanInternationalStandardrequiresapprovalbyatleast75%ofthememberbodiescastingavote. I

12、nternationalStandardISO13591waspreparedbyTechnicalCommitteeISO/TC188, Smallcraft . AnnexesAandBofthisInternationalStandardareforinformationonly. SANS 13591:2008This standard may only be used and printed by approved subscription and freemailing clients of the SABS.INTERNATIONALSTANDARD ISO ISO13591:1

13、997(E) 1 SmallcraftPortablefuelsystemsforoutboardmotors 1Scope ThisInternationalStandardspecifiesrequirementsforthedesign,materialsandtestingofportablefuelsystemswith aratedcapacityof27lorlessforcarryingandstorageofflammableliquidsusedforoutboardmotorsinstalledon smallcraftwithupto24mlengthofhull. I

14、tdoesnotapplytopressurizedfuelsystems. 2Normative references Thefollowingstandardscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthis InternationalStandard.Atthetimeofpublication,theeditionsindicatedwerevalid.Allstandardsaresubjectto revision,andpartiestoagreementsbasedonthi

15、sInternationalStandardareencouragedtoinvestigatethe possibilityofapplyingthemostrecenteditionsofthestandardsindicatedbelow.MembersofIECandISOmaintain registersofcurrentlyvalidInternationalStandards. ISO1817: 1) , Rubber,vulcanizedDeterminationoftheeffectofliquids. ISO8469:1994, SmallcraftNonfireresi

16、stantfuelhoses. 3Definitions ForthepurposesofthisInternationalStandard,thefollowingdefinitionsapply. 3.1 flammableliquid: Liquidwithflashpointlessthan60C(closedcuptest)andaReidvapourpressurebelow 280kPa(absolute)at38C. 3.2 portablefueltank: Tankforcarryingandstoringflammableliquidswithacapacityof27l

17、orlesswhichis intendedtoformpartofaportablefuelsystem. 3.3 portablefuelsystem: Systemconsistingofportablefueltankswithfillercapsandvents,fuelconnectors,fuel linesandrelatedaccessoriesintendedtobeconnectedtofuelsystemsonoutboardmotors. 4General requirements 4.1 Portablefueltanksshallbedesignedtopermi

18、tconvenienthandling,securingonboardthecraftandremoval forrefillingoutsidethecraft. NOTE Hereafterportablefueltanksarereferredtoastanks. 1)Tobepublished.(RevisionofISO1817:1985) SANS 13591:2008This standard may only be used and printed by approved subscription and freemailing clients of the SABS.ISO1

19、3591:1997(E) ISO 2 4.2 Thetotalvolumeofthetankshallbesuchthatinnormalfillingpositionanexpansionspaceofatleast5%of theratedcapacityat20Cshallbeprovided.Thefilleropeningshallbepositionedsuchthattheexpansionspace cannotbefilledwhenthetankisinitsnormalfillingposition. 4.3 Anautomaticallyormanuallyclosab

20、leventshallbeincorporatedinportablefuelsystems. 4.4 Ontanksusedforunleadedpetrol,theinnerdiameterofthefillerneckshallbeminimum21,5mmand maximum23,5mm.Ontanksusedforotherfuelstheinnerdiameterofthefillerneckshallbegreaterthan30mm. 4.5 Alltankopeningsshallbeabovethefuelliquidlevelwhenthetankisinnormalo

21、perationorstoragepositions andshallhaveliquidandvapourtightclosures. 4.6 Thetankshallbedesignedsothatitcanbecarriedwithonehand. 4.7 Theshapeofthetankshalldiscouragestacking. 4.8 Materialsusedinportablefuelsystemsshallbearrangedtominimizegalvaniccorrosionencounteredin normalmarineservice. 4.9 Plastic

22、andelastomericmaterialsshallcontainaUVinhibitor. 4.10 Thecolourofthetankshallbered. 4.11 Thetankshallbemarkedwithasymbolindicatingthefuelforwhichthesystemisdesigned. 4.12 Solderwithameltingpointlowerthan450Cshallnotbeusedintheconstructionofmetaltanks. 5Performance requirements 5.1General tests 5.1.1

23、Stability test Fillatank,completewithfittings,etc.,toitsnominalcapacitywiththefuelintendedtobeused.Placethetankinits normaloperatingpositiononaflatsurfacewhichisinclinedatanangleof35fromthehorizontalandwhichgives enoughfrictiontopreventsliding.Rotatethetankover360at15intervals. Ifthetankhasastoragep

24、ositionwhichisdifferentfromitsoperatingposition,thetestshallberepeatedwiththe tankinthestorageposition,butwiththeplaneinclined20fromthehorizontal. Evaluation: Thetankshallnottipoverinanyposition. 5.1.2 Carryinghandletest Preparethreetanksaccordingtofigure1.Filleachtanktonominalcapacitywithwaterandse

25、cureclosures. Leaveaminimumof75mmslackinthewirerope.Alloweachtanktodropfreelyonce. Evaluation: Afterthedroptest,eachtankshallbepressuretestedwithairataninternalpressureof35kPa.Noneofthetanks shallleak. SANS 13591:2008This standard may only be used and printed by approved subscription and freemailing

26、 clients of the SABS.ISO ISO13591:1997(E) 3 Key 1 6mm(0,25in)diameterwirerope(nonflexiblesteel), 1mto2m(3ftto6ft)long 2 Stirrup:10mm(0,375in)diametersteelrod,bentand weldedtoa100mm(4in)lengthof20mm(0,75in) diametersteelbar 3 Singlelayerwrapof8mm(0,3125in)diameter polypropyleneropetodistributeloading

27、over75mm(3in) lengthofhandle 4 Tankhandle 5 Tank Figure1Handlearrangementforfreefalltest 5.1.3 Tightnessoffillercapandfittingstest Thetestshallbecarriedoutinaroomwithastabilizedtemperatureof30C2C. Carryoutthetestonthreetanksequippedwithaconnectionforapressurelineinthebottomorinoneofthewalls andfille

28、dwith1lofatestfluidconsistingof 42,5%2,2,4trimethylpentane; 42,5%toluene; 15,0%methanol. Closethetanksandstorethemfor28daysinapositionsuchthattheinternalpartsofthecapandthefittingsarein contactwiththetestfluid. Emptythetanksandimmediatelyfillthemtotheirnominalcapacitywithatestfluidconsistingof95%wat

29、erand 5%wettingagent(e.g.LaventinW).Threadedcapsshallbeclosedwithatorqueof5Nm. Immediatelyapplyaninternaloverpressureof160kPafor10minwiththefillercappointingdown. Evaluation: Thereshallbenoleakage;alltanksshallpassthetest. SANS 13591:2008This standard may only be used and printed by approved subscri

30、ption and freemailing clients of the SABS.ISO13591:1997(E) ISO 4 5.2 Testsonmetaltanks 5.2.1 Lowtemperaturedroptest Carryoutthetestonthreetanksfilledtotheirnominalcapacitywithablendof50%glycoland50%water. Stabilizethetanksandtheircontentsto -18C2C. Screwfillercapsshallbetorquedto5Nm. Raisethetankto1

31、,2maboveaflat,horizontalconcretesurfaceanddropthetanksothatitstrikesonacorner. Evaluation: Thetanksshallshownoevidenceofleakage. 5.2.2 Internalpressuretest Carryoutthetestonthreetanks.Threadedclosuresshallbeclosedwithatorqueof9Nmandotherclosuresshall besecuredintheirnormalmanner.Conditionthetanksat

32、-34 Cforatleast6 h,allowtoreturntoroom temperature,andconditionforafurther2hat70C.Applyinternalpressurebymeansofanadapterinsertedintoa drilledhole.Thereshallbenosignofruptureorleakagewhentheinternalpressureisincreasedprogressivelyto 135kPaat70Coveraperiodof30sto60sandmaintainedforafurther5min.Whilet

33、hepressureisbeingheld, coatthetankswithasoapsolutionorothersuitablemedium. Evaluation: Alltanksshallpassthetestwithoutleakage.Deformationisallowed. 5.3 Testsonnonmetaltanks 5.3.1 Lowtemperaturedroptest Carryoutthetestonthreesampletankscompletewithfittings.Fillthetankstotheirnominalcapacitywithablend

34、of 50%glycoland50%water. Screwthreadedfillercapsshallbetorquedto5Nm.Stabilizetanksandcontentsto -18C2C. Immediatelydropeachtankthreetimesfromaheightof1,2montoaflathorizontalconcretesurface.Eachtank shallstrikeonceonthefillercap,bottomandacorner.Thecentreofgravityshallbedirectlyabovethespecified poin

35、tofimpact. Evaluation: Thereshallbenoleakage;alltanksshallpassthetest. 5.3.2 Internalpressuredurationtest Carryoutthetestonthreetanks.Threadedclosuresshallbeclosedwithatorqueof9Nmandotherclosuresshall besecuredintheirnormalmanner.Conditionthetanksat23Cforatleast6h,thenat34Cforatleast6h,allow toretur

36、ntoroomtemperature,andconditionforafurther2hat70C.Increasetheinternalpressureprogressively to135kPaat70Coveraperiodof30sto60s.Maintainthepressureandtemperatureforafurther4h. Releasethepressureinthetanksandconditionthemat23Cforatleast6h,priortotestingatthattemperature. Securetheclosures.Increasethein

37、ternalpressureprogressivelyto100kPaoveraperiodof30sto60s.Maintain thepressureforafurther5min. Evaluation: Thetanksshallnotruptureorleakwhentested.Alltanksshallpassthetest.Deformationisallowed. SANS 13591:2008This standard may only be used and printed by approved subscription and freemailing clients

38、of the SABS.ISO ISO13591:1997(E) 5 5.3.3 Permeationoffuel Carryoutthetestonthreetankswithfillercaps,weighedtoanaccuracyof0,1%. Fillthetankstotheirnominalcapacitieswithatestfluidconsistingof70%2,2,4trimethylpentaneand30%toluene. Tightenthecapswithatorqueof5Nmandreweigheachtoanaccuracyof0,1%. Storethe

39、tanksat23C2Cfor30days,thenreweighthetankswithcontentstoanaccuracyof0,1%. Calculatethepercentageofmasslossusingthefollowingequation: Mass loss = - - mm mm 23 21 100 where m 1 isthemassoftheemptytank; m 2 isthemassofthetankplusfluidbeforestorage; m 3 isthemassofthetankplusfluidafterstorage. Reportthem

40、assloss. Aftercuttingapart,visuallyexaminetheinternalsurfacesofonetank. Evaluation: Thetankshallnotshowanyevidenceoftackinessorotherobviousdefects. Themasslossfromthetankshallnotexceed1%. 5.3.4 Stresscrackingtestonpolyethylenetanks Takethreetanksfromtheproduction. Fillthetankstotheirnominalcapacityw

41、ithafluidconsistingof95%waterand5%wettingagent(e.g.LaventinW), preheatedto70C2C. Closethetanks(screwthreadedcapswithatorqueof5Nm),connectthepressurelineandsubmergetanksina testbathcontainingthesamefluidatthesametemperature.Keepthetanksubmergedinthefluidforonehourat testtemperaturewithoutinternalpres

42、sure.Followwithaninternalpressureof50kPabuiltupfor10sto15s, withoutpressureshocksforanadditional5h. Evaluation: Thereshallbenoleakageorvisiblecracksafterthetest. 5.3.5Flammability test Exposethreetankstoastandard10mmdiameterBunsenburnerwithablueflameapproximately25mmhighwith aconetiptemperatureof900

43、Candtheflametipimpingingonthesideofthetankfor10s. Evaluation: Thereshallbenoflareup. NOTE Flareupmeansacontinuouslyincreasingburningratesuchasoccurswhenamatchisignited. SANS 13591:2008This standard may only be used and printed by approved subscription and freemailing clients of the SABS.ISO13591:1997(E) ISO 6 5.4 Testsonela