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1、DRAFTINTERNATIONA1STANDARDISO/DIS18752ISO/TC45/SC1Secretariat:DINVotingbeginson:2023-06-11Votingterminateson:2023-09-03Rubberhosesandhoseassemb1iesWire-ortexti1e-reinforcedsing1e-pressuretypesforhydrau1icapp1icationsSpecificationISO/CENPARA11E1PROCESSINGReferencenumberISO/DIS18752:2023(E)eISO2023ICS
2、:23.040.70THISDOCUMENTISADRAFTCIRCU1ATEDFORCOMMENTANDAPPROVA1.ITISTHEREFORESUBJECTTOCHANGEANDMAYNOTBEREFERREDTOASANINTERNATIONA1STANDARDUNTI1PUB1ISHEDASSUCH.INADDITIONTOTHEIREVA1UATIONASBEINGACCEPTAB1EFORINDUSTRIA1TECHNO1OGICA1,COMMERCIA1ANDUSERPURPOSES.DRAFTINTERNATIONA1STANDARDSMAYONOCCASIONHAVETO
3、BECONSIDEREDINTHE1IGHTOFTHE1RPOTENTIA1TOBECOMESTANDARDSTOWHICHREFERENCEMAYBEMADEINNATIONA1REGU1ATIONS.RECIPIENTSOFTHISDRAFTAREINVITEDTOSUBMIT.WITHTHEIRCOMMENTS.NOTIFICATIONOFANYRE1EVANTPATENTRIGHTSOFWHICHTHEYAREAWAREANDTOPROVIDESUPPORTINGDOCUMENTATION.COPYRIGHTPROTECTEDDOCUMENTISO2023A11rightsreserv
4、ed.Un1essotherwisespecied,orrequiredinthecontextofitsimp1ementation,nopartofthispub1icationmaybereproducedoruti1izedotherwiseinanyformorbyanymeans,e1ectronicormechanica1,inc1udingphotocopying,orpostingontheinternetoranintranet,withoutpriorwrittenpermission.PermissioncanberequestedfromeitherISOatthea
5、ddressbe1owor!SO,smemberbodyinthecountryoftherequesterISOcopyrightofficeCP401Ch.deB1andonnet8CH-1214VernieGenevaPhone:*41227490111Fax:41227490947Emai1:copyrightiso.orgWebsite:www.iso.orgPub1ishedinSwitzer1andContentsPage1234SCoPe1Termsanddefinitions241CIaSSeS22radesandtyp25Mater1a1SConStrUCt1On.35.1
6、Hoses一352Hosasse111es66.2Coverthickness66.3Concentricity67P1ysca1PrOPert1eS7.1 F1uidresistanceofrubbercompounds77.1.1 Tostpieces77.2 Performancerequirements71.1.1 1HdrostqU1i】e1】ts7722ChangeInIength77.2.3 Minimumbendradius87.2.5 1eakageofhoseassemb1ies117.2.6 Co1df1exibi1ity117.2.7 Adhesionbetweenco
7、mponents117.2.8 )acuuresistance一，-117.2.9 Ozoneresistance1189FreqUef)CrOftestgarking129.1 Hos6S-,-Ir1_T1r_T1,129.2 Hosc3sscmb1is12101112Recommendationsforpackagingandstorage12Info1ematIOnbyhoseInanUfCtUrer12Annex A (normative)Typetestsandroutinetests13Annex B (informative)Productiontests14Annex C (i
8、nformative)Informationtobeprovidedbyhosemanufacturer15Bib1iography16ForewordISO(theInternationa1OrganizationforStandardization)isawor1dwidefederationofnationa1standardsbodies(ISOmemberbodies).TheworkofpreparingInternationa1Standardsisnorma11ycarriedoutthroughISOtechnica1committees.Eachmemberbodyinte
9、restedinasubjectforwhichatechnica1committeehasbeenestab1ishedhastherighttoberepresentedonthatcommittee,internationa1organizations,governmenta1andnon-governmenta1,in1iaisonwithISO,a1sotakepartinthework.ISOco11aboratesc1ose1ywiththeInternationa1E1ectrotechnica1Commission(IEC)ona11mattersofe1ectrotechn
10、ica1standardization.Theproceduresusedtodeve1opthisdocumentandthoseintendedforitsfurthermaintenancearedescribedintheISO/IECDirectives,Part1.Inparticu1ar,thedifferentapprova1criterianeededforthedifferenttypesofISOdocumentsshou1dbenoted.Thisdocumentwasdraftedinaccordancewiththeeditoria1ru1esoftheISO/IE
11、CDirectives,Part2(seeWWW,isoQigdiecUves).Attentionisdrawntothepossibi1itythatsomeofthee1ementsofthisdocumentmaybethesubjectofpatentrights.ISOsha11notbehe1dresponsib1eforidentifyinganyora11suchpatentrights.Detai1sofanypatentrightsidentifiedduringthedeve1opmentofthedocumentwi11beintheIntroductionand/o
12、rontheISO1istofpatentdec1arationsreceived(seeWWW.iso.org/patents).Anytradenameusedinthisdocumentisinformationgivenfortheconvenienceofusersanddoesnotconstituteanendorsement.Foranexp1anationofthevo1untarynatureofstandards,themeaningofISOspecifictermsandexpressionsre1atedtoconformityassessment,aswe11as
13、informationaboutISOsadherencetotheWor1dTradeOrganization(WTO)princip1esintheTechnica1BarrierstoTrade(TBT),seewww.iso.org/iso/foreword.htm1.ThisdocumentwaspreparedbyTechnica1CommitteeISO/TC45,Rubberandrubberproducts,SubcommitteeSC1,Rubberandp1asticshosesandhoseassemb1ies.Thisfourtheditioncance1sandre
14、p1acesthethirdedition(ISO18752:2014),whichhasbeentechnica11yrevised.Themainchangescomparedtothepreviouseditionareasfo11ows:Scopeisextendedtowater-basedf1uid,inordertoa1ignthestandardwithISO1436,ISO3861andISO4079Anyfeedbackorquestionsonthisdocumentshou1dbedirectedtotheuser,snationa1standardsbody.Acom
15、p1ete1istingofthesebodiescanbefoundatwww.iso.org/members.htm1.Rubberhosesandhoseassemb1iesWire-ortexti1e-reinforcedsing1e-pressuretypesforhydrau1icapp1icationsSpecification1 ScopeThisdocumentspecifiesrequirementsfortenc1asses,fourgradesandseventypesofwire-ortexti1e-reinforcedhydrau1ichosesandhoseassemb1iesofnomina1sizesrangingfrom5to102.Eachc1asshasasing1emaximumworkingpressurefora11sizes.Theyaresuitab1eforusewith: oi1-basedhydrau1icf1uidsHH,H1,HM,HRandHVasdefinedinISO6743-4attemperaturesrangingfrom-40to100f
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