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
