BSISO5675:2021

BSIStandardsPublication

Agriculturaltractorsandmachinery—Generalpurposequick-actionhydrauliccouplers

bsi.

BSISO5675:2021BRITISHSTANDARD

Nationalforeword

ThisBritishStandardistheUKimplementationofISO5675:2021.ItsupersedesBSISO5675:2008,whichiswithdrawn.

TheUKparticipationinitspreparationwasentrustedtoTechnicalCommitteeAGE/6,Agriculturaltractorsandforestrymachinery.

Alistoforganizationsrepresentedonthiscommitteecanbeobtainedonrequesttoitscommitteemanager.

Contractualandlegalconsiderations

Thispublicationhasbeenpreparedingoodfaith,howeverno

representation,warranty,assuranceorundertaking(expressor

implied)isorwillbemade,andnoresponsibilityorliabilityisorwillbeacceptedbyBSIinrelationtotheadequacy,accuracy,completenessor

reasonablenessofthispublication.Allandanysuchresponsibilityandliabilityisexpresslydisclaimedtothefullextentpermittedbythelaw.

Thispublicationisprovidedasis,andistobeusedatthe

recipient'sownrisk

Therecipientisadvisedtoconsiderseekingprofessionalguidancewithrespecttoitsuseofthispublication.

Thispublicationisnotintendedtoconstituteacontract.Usersareresponsibleforitscorrectapplication.

◎TheBritishStandardsInstitution2021

PublishedbyBSIStandardsLimited2021

ISBN9780539039481

ICS65.060.10

CompliancewithaBritishStandardcannotconferimmunityfromlegalobligations.

ThisBritishStandardwaspublishedundertheauthorityofthe

StandardsPolicyandStrategyCommitteeon31July2021.

Amendments/corrigendaissuedsincepublication

DateTextaffected

BSISO5675:2021

INTERNATIONALSTANDARD

ISO5675

Fourthedition2021-06-25

Agriculturaltractorsand

machinery—Generalpurposequick-actionhydrauliccouplers

Tracteursetmatérielsagricoles—Coupleurshydrauliquesàusagegénéral

ReferencenumberISO5675:2021(E)

◎ISO2021

BSISO5675:2021

ISO5675:2021(E)

COPYRIGHTPROTECTEDDOCUMENT

◎ISO2021,PublishedinSwitzerland

Allrightsreserved.Unlessotherwisespecified,nopartofthispublicationmaybereproducedorutilizedotherwiseinanyformorbyanymeans,electronicormechanical,includingphotocopying,orpostingontheinternetoranintranet,withoutpriorwrittenpermission.PermissioncanberequestedfromeitherISOattheaddressbeloworISO'smemberbodyinthecountryoftherequester.

ISOcopyrightoffice

Ch.deBlandonnet8·CP401

CH-1214Vernier,Geneva,Switzerland

Tel.+41227490111

Fax+41227490947

copyright@

ii◎ISO2021-Allrightsreserved

BSISO5675:2021

ISO5675:2021

ContentsPage

Foreword iv

1Scope

1

2Normativereferences

1

3Termsanddefinitions

1

4Requirements

1

4.1General

1

4.2Dimensionalrequirements

1

4.3Operatingrequirements

2

5Locationontractor

3

Bibliography

5

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BSISO5675:2021

ISO5675:2021

Foreword

ISO(theInternationalOrganizationforStandardization)isaworldwidefederationofnationalstandardsbodies(ISOmemberbodies).TheworkofpreparingInternationalStandardsisnormallycarriedoutthroughISOtechnicalcommittees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeenestablishedhastherighttoberepresentedonthatcommittee.Internationalorganizations,governmentalandnon-governmental,inliaisonwithISO,alsotakepartinthework.ISOcollaboratescloselywiththeInternationalElectrotechnicalCommission(IEC)onallmattersofelectrotechnicalstandardization.

TheproceduresusedtodevelopthisdocumentandthoseintendedforitsfurthermaintenancearedescribedintheISO/IECDirectives,Part1.Inparticular,thedifferentapprovalcriterianeededforthedifferenttypesofISOdocumentsshouldbenoted.ThisdocumentwasdraftedinaccordancewiththeeditorialrulesoftheISO/IECDirectives,Part2(see

/directives).

Attentionisdrawntothepossibilitythatsomeoftheelementsofthisdocumentmaybethesubjectofpatentrights.ISOshallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights.DetailsofanypatentrightsidentifiedduringthedevelopmentofthedocumentwillbeintheIntroductionand/orontheISOlistofpatentdeclarationsreceived(see

/patents

).

Anytradenameusedinthisdocumentisinformationgivenfortheconvenienceofusersanddoesnotconstituteanendorsement.

Foranexplanationofthevoluntarynatureofstandards,themeaningofISOspecifictermsandexpressionsrelatedtoconformityassessment,aswellasinformationaboutISO'sadherencetotheWorldTradeOrganization(WTO)principlesintheTechnicalBarrierstoTrade(TBT),see

www.iso.

org/iso/foreword.html.

ThisdocumentwaspreparedbyTechnicalCommitteeISO/TC23,Tractorsandmachineryforagricultureandforestry,SubcommitteeSC4,Tractors

Thisfourtheditioncancelsandreplacesthethirdedition(ISO5675:2008),whichhasbeentechnicallyrevised.

Themainchangescomparedtothepreviouseditionareasfollows:

-thenormativereferenceshavebeenupdated;

-thecouplermountingzoneforsidecouplershasbeenincreasedtomatchindustrypractice;

-azoneforrearcouplershasbeenaddedwhenmorethanthreesetsofcouplersareusedontherear.

Anyfeedbackorquestionsonthisdocumentshouldbedirectedtotheuser'snationalstandardsbody.Acompletelistingofthesebodiescanbefoundat

/members.html.

iv◎ISO2021-Allrightsreserved

BSISO5675:2021

INTERNATIONALSTANDARDISO5675:2021

Agriculturaltractorsandmachinery—Generalpurposequick-actionhydrauliccouplers

1Scope

Thisdocumentspecifiestheessentialinterfacedimensionsandtheoperatingrequirementsforhydrauliccouplersemployedtotransmithydraulicpowerfromagriculturaltractorstoagriculturalmachinery.Itisapplicabletocouplersusedinhydrauliclinesotherthanthoseusedforbrakingcircuits.

NOTEAllhydrauliccouplersareintendedtobeconnectedanddisconnectedfrequentlytoallowthetransferofmachineryfromonetractortoanotherwithouttheuseoftoolsorspecialdevices.

2Normativereferences

Thefollowingdocumentsarereferredtointhetextinsuchawaythatsomeoralloftheircontentconstitutesrequirementsofthisdocument.Fordatedreferences,onlytheeditioncitedapplies.Forundatedreferences,thelatesteditionofthereferenceddocument(includinganyamendments)applies.

ISO7241:2014,Hydraulicfluidpower—Dimensionsandrequirementsofquick-actioncouplings

ISO18869:2017,Hydraulicfluidpower—Testmethodsforcouplingsactuatedwithorwithouttools

3Termsanddefinitions

Forthepurposesofthisdocument,thefollowingtermsanddefinitionsapply.

ISOandIECmaintainterminologicaldatabasesforuseinstandardizationatthefollowingaddresses:

一ISOOnlinebrowsingplatform:availableat

/obp

一IECElectropedia:availableat

/

3.1

couplerfemalepart

femalepart

partthathasacavitytoreceivethemalepart

3.2

couplermalepart

malepart

probethatfitsandlocksintothecavityofthefemalepart

4Requirements

4.1General

Therequirementsofthisdocumentareapplicableifconicalstyleandballstylecouplersarecoupledtogether.Careshouldbetakentoensurethattheserequirementsarefulfilled.

4.2Dimensionalrequirements

ThedimensionsofthecouplermalepartshallbeinaccordancewithISO7241:2014,Table1andFigure1,“SeriesA”,forsizes12,5and20.Thecouplermalepartdimensionshallalsobeinaccordancewith

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BSISO5675:2021

ISO5675:2021

Figure1andTable1ofthisdocument.Additionally,a15°angleshallbeaddedinordertobecompatiblewithdustprotectiondevices.

Anycouplerfemalepartshallcouplewithanycouplermalepartwhenbothconformtothisdocument

Key

ΦDseeTable1

αseeTable1

1dimensionsinaccordancewithISO7241:2014,"SeriesA"

Figure1—Couplermalepartdimensions

Table1—Couplermalepartdimensions

Dimensionsinmillimetres

Nominalsize

(accordingtoISO7241)

DimensionΦD

Angle

α

12,5

≤31

15°±3°

20

≤38

15°±3°

NOTE1Thenominalsizedesignationcorrespondstothenominalinsidediameterofthehoserecommendedforusewiththecoupling,asspecifiedinISO4397.

NOTE2SimilarcouplersaredescribedinISO7241;however,couplersconformingtoISO7241mightnotconformtothisdocument.

NOTE3Couplersize20accordingtoISO7241iscompatibletohosesize19perISO4397

4.3Operatingrequirements

4.3.1ThecouplershallbeinaccordancewiththeoperatingrequirementsofISO7241:2014,"SeriesA"includingtheadditionalrequirementsfor"SeriesA"inISO7241:2014,6.2.

4.3.2Thepressuredropthroughthecouplershallnotbegreaterthan0,35MPawithaflowof451/minforsize12,5and701/minforsize20.ThepressuredropshallbemeasuredinaccordancewithISO18869.

4.3.3Thefluidlossataninternalpressureof0,1MPashallbeinaccordancewithTable2.AfluidlosstestshallbeconductedinaccordancewithISO18869.

4.3.4Thefluidlosswhendisconnectingwithaninternalpressureof17,5MPashallbeinaccordancewithTable2.

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ISO5675:2021

Table2-Fluidlossondisconnectwithpressure

Nominalsize

(accordingtoISO7241:2014)

Fluidlosswh

0,1MPa

endisconnectingat

17,5MPa

12,5

2,5ml

4,0mla

20

9,0mla

12,5ml

aThesevaluesaretransposedfromISO7241:2014,Table7.

4.3.5Theforcerequiredtofullyopenthevalveinthecouplermalepart,whenthereisnointernalpressureinthecouplermalepart,shallnotexceed45Nforsize12,5and70Nforsize20.

4.3.6Thecouplingshallnotcheck-off(closureofthevalve)whenoilflowsinthemale-to-femaledirectionatflowrateslessthan1901/minforsize12,5andlessthan2501/minforsize20.FluidviscosityforthisrequirementshallbeinaccordancewithISO18869:2017,5.4and13.4.

5Locationontractor

ThecouplershallbemountedwithintheareadescribedinFigure2forrear-andside-mountedcouplersandFigure3forfront-mountedcouplers.Femalecouplersshallbeusedforrear-andfront-mountedcouplers.Femaleormalecouplersmaybeusedforside-mountedcouplers.Tractorswiththreeorlessrear-mountedcouplersshallplacetherear-mountedcouplersinarea2describedinFigure2.Tractorswithmorethanthreerear-mountedcouplersshallplacethreeinarea2andmayplacetheadditionalrear-mountedcouplersinarea4describedinFigure2.

Dimensionsinmillimetres

Key

1tractordrawbar,locatedpernominaldimensionsgiveninISO6489-3

2areaoflocationofrear-mountedcouplers

3areaoflocationofside-mountedcouplers

4areaoflocationofadditionalrear-mountedcouplers

Figure2—Locationofrear-mountedandside-mountedcoupler

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BSISO5675:2021ISO5675:2021

Dimensionsinmillimetres

NOTEThedimensionsbasedonlowerhitchpointaretakenwhenthehitchpointishorizontalwiththedraftarmpivotpoint.

Figure3-Locationoffront-mountedcoupler

BSISO5675:2021

ISO5675:2021

Bibliography

[1]ISO4397,Fluidpowerconnectorsandassociatedcomponents-Nominaloutsidediametersoftubesandnominalhosesizes

[2]ISO5676,Tractorsandmachineryforagricultureandforestry-Hydrauliccoupling-Brakingcircuit

[3]ISO6489-3,Agriculturalvehicles—Mechanicalconnectionsbetweentowedandtowingvehicles—Part3:Tractordrawbar

◎ISO2021-Allrightsreserved5

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