saej1926-2v002

__________________________________________________________________________________________________________________________________________SAETechnicalStandardsBoardRulesprovidethat:“ThisreportispublishedbySAEtoadvancethestateoftechnicalandengineeringsciences.Theuseofthisreportisentirelyvoluntary,anditsapplicabilityandsuitabilityforanyparticularuse,includinganypatentinfringementarisingtherefrom,isthesoleresponsibilityoftheuser.”SAEreviewseachtechnicalreportatleasteveryfiveyearsatwhichtimeitmaybereaffirmed,revised,orcancelled.SAEinvitesyourwrittencommentsandsuggestions.Copyright©2006SAEInternationalAllrightsreserved.Nopartofthispublicationmaybereproduced,storedinaretrievalsystemortransmitted,inanyformorbyanymeans,electronic,mechanical,photocopying,recording,orotherwise,withoutthepriorwrittenpermissionofSAE.TOPLACEADOCUMENTORDER:Tel:877-606-7323(insideUSAandCanada)Tel:724-776-4970(outsideUSA)Fax:724-776-0790Email:CustomerService@sae.orgSAEWEBADDRESS:http://www.sae.orgJ1926-2REV.OCT2006SURFACEVEHICLESTANDARDIssued1988-08Revised2006-10SupersedingJ1926-2AUG1995ConnectionsforGeneralUseandFluidPower—PortsandStudEndswithASMEB1.1ThreadsandO-RingSealing—Part2:Heavy-Duty(SSeries)StudEndsRATIONALESAEJ1926-2coverstherequirementsforHeavy-DutystudendsformerlycoveredinSAEJ1453.Thedesignparametersarethesameandremainunchangedexceptforconversiontometricdimensionsandinrounding.Performanceratingshavebeenaddedtothestandard.FOREWORDSAEJ1926consistsofthefollowingparts,underthegeneraltitle:ConnectionsforgeneraluseandfluidpowerPortsandstudendswithASMEB1.1threadsandO-ringsealing:—Part1:PortwithO-RingSealinTruncatedHousing—Part2:Heavy-Duty(SSeries)StudEnds—Part3:Light-Duty(LSeries)StudEndsThesestandardsdefineperformancerequirements,dimensions,anddesignsforportandstudendconnectionsforheavy-dutyinPart2andlight-dutyinPart3.Significanttestingthrough40yearsofusehasconfirmedtheperformancerequirementsoftheseportsandstudends.Influidpowersystems,poweristransmittedandcontrolledthroughafluid(liquidorgas)underpressurewithinanenclosedcircuit.Ingeneralapplications,afluidmaybeconveyedunderpressure.Componentsareconnectedthroughtheirthreadedportsbystudendsonfluidconductorfittingstotubes/pipes,ortohosefittingsandhoses.1.SCOPEThispartofSAEJ1926specifiesdimensions,performancerequirements,andtestproceduresforadjustableandnonadjustableheavy-duty(Sseries)studendswithASMEB1.1threadsforuseinfluidpowerandgeneralapplicationsandtheO-ringsusedwiththem.StudendsinaccordancewiththispartofSAEJ1926maybeusedatworkingpressuresupto63MPafornonadjustablestudendsandupto40MPaforadjustablestudends.Thepermissibleworkingpressuredependsuponmaterials,design,workingconditions,application,etc.Forthreadedportsandstudendsspecifiedinnewdesignsforhydraulicfluidpowerapplications,onlySAEJ2244shallbeused.ThreadedportsandstudendsinaccordancewithISO1179,ISO9974,andISO11926shallnotbeusedfornewdesigninhydraulicfluidpowerapplications.SAEJ1926-2RevisedOCT2006-2-Conformancetothedimensionalinformationdoesnotguaranteeratedperformance.Eachmanufacturershallperformtestingaccordingtothespecificationcontainedinthisdocumenttoensurethatcomponentsmadetothisdocumentcomplywiththeperformancerating.AppendicesAandBofthisdocumentarenormative;AppendixCofthisdocumentisinformative.2.REFERENCES2.1ApplicablePublicationsThefollowingstandardscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthisdocument.Atthetimeofpublication,theeditionsindicatedwerevalid.Allstandardsaresubjecttorevision,andpartiestoagreementsbasedonthisdocumentareencouragedtoinvestigatethepossibilityofapplyingthemostrecenteditionofthestandardsindicatedasfollows.MembersofIECandISOmaintainregistersofcurrentlyvalidInternationalStandards.2.1.1SAEPublicationsAvailablefromSAE,400CommonwealthDrive,Warrendale,PA15096-0001,Tel:877-606-7323(insideUSAandCanada)or724-776-4970(outsideUSA),www.sae.org.SAEJ515HydraulicO-ringSAEJ1644MetallicTubeConnectionsforFluidPowerandGeneralUse—TestMethodsforThreadedHydraulicFluidPowerConnectorsSAEJ2244-2ConnectionsforFluidPowerandGeneralUse—PortsandStudEndswithISO261ThreadandO-ringSealing—Part2:Heavy-Duty(SSeries)StudEnds,Dimensions,Designs,TestMethods,andRequirements2.1.2ISOPublicationsAvailablefromANSI,25West43rdStreet,NewYork,NY10036-8002,Tel:212-642-4900,www.ansi.org.ISO1179-11Connectionsforgeneraluseandfluidpower—PortsandstudendswithISO228-1threadswithelastomericandmetal-to-metalsealing—Part1:ThreadedportISO1179-21Connectionsforgeneraluseandfluidpower—PortsandstudendswithISO228-1threadswithelastomericandmetal-to-metalsealing—Part2:Heavyduty(Sseries)andlightduty(Lseries)studendswithelastomericsealing(typeE)ISO1179-31Connectionsforgeneraluseandfluidpower—PortsandstudendswithISO228-1threadswithelastomericandmetal-to-metalsealing—Part3:Lightduty(Lseries)studendwithsealingbyO-ringwithretainingring(typesGandH)ISO1179-41Connectionsforgeneraluseandfluidpower—PortsandstudendswithISO228-1threadswithelastomericandmetal-to-metalsealing—Part4:Studendforgeneraluseonlywithmetal-to-metalsealing(typeB)ISO4759-1:1978Tolerancesforfasteners—Part1:Bolts,screwsandnutswiththreaddiametersbetween1.6(inclusive)and150mm(inclusive)andproductgradesA,BandCISO5598:1985Fluidpowersystemsandcomponentsvocabulary1Tobepublished.SAEJ1926-2RevisedOCT2006-3-ISO6149-1:1993Connectionsforfluidpowerandgeneraluse—PortsandstudendswithISO261threadsandO-ringsealing—Part1:PortwithO-ringsealintruncatedhousingISO6149-2:1993Connectionsforfluidpowerandgeneraluse—PortsandstudendswithISO261threadsandO-ringsealing—Part2:Heavyduty(Sseries)studends—Dimensions,design,testmethodsandrequirementsISO6149-3:1993Connectionsforfluidpowerandgeneraluse—PortsandstudendswithISO261threadsandO-ringsealing—Part3:Lightduty(Lseries)studends—Dimensions,design,testmethodsandrequirementsISO8434-22Metallictubefittingsforfluidpowerandgeneraluse—Part2:37°FlaredFittingsISO9974-1:1996Connectionsforgeneraluseandfluidpower—PortsandstudendswithISO261threadswithelastomericandmetal-to-metalsealing—Part1:ThreadedportISO11926-1:1995Connectionsforgeneraluseandfluidpower—PortsandstudendswithISO261threadsandO-ringsealing—Part1:ThreadedportwithO-ringsealintruncatedhousingISO11926-2:1995Connectionsforgeneraluseandfluidpower—PortsandstudendswithISO261threadsandO-ringsealing—Part2:Heavyduty(Sseries)studendsISO11926-3:1995Connectionsforgeneraluseandfluidpower—PortsandstudendswithISO261threadsandO-ringsealing—Part3:Lightduty(Lseries)studends2.1.3ASMEPublicationsAvailablefromtheAmericanSocietyofMechanicalEngineers,22LawDrive,POBox2900,Fairfield,NJ07007-2900,Tel:973-882-1170,www.asme.org.ASMEB1.1UnifiedInchScrewThreads(UNandUNRThreadForm)2.2RelatedPublicationsThefollowingpublicationsareprovidedforinformationpurposesonlyandarenotarequiredpartofthisdocument.2.2.1ASTMPublicationsAvailablefromASTM,100BarrHarborDrive,WestConshohocken,PA19428-2959,Tel:610-832-9585,www.astm.org.ASTMB117MethodofSaltSpray(Fog)TestASTMB633StandardSpecificationsforElectrodepositedCoatingsofZincorIronandSteel2.2.2ISOPublicationsAvailablefromANSI,25West43rdStreet,NewYork,NY10036-8002,Tel:212-642-4900,www.ansi.org.ISO48:1979Vulcanizedrubbers—Determinationofhardness(Hardnessbetween30and85IRHD)ISO263:1973ISOinchscrewthreads—Generalplanandselectionforscrews,boltsandnuts—Diameterrange0,06to6inISO1101:1983Technicaldrawings—Tolerancingofform,orientation,locationandrun-out—Generalities,definitions,symbols,indicationsondrawings2Tobepublished.SAEJ1926-2RevisedOCT2006-4-ISO1302:1978Technicaldrawings—MethodofindicatingsurfacetextureondrawingsISO3448:1975Industrialliquidlubricants—ISOviscosityclassificationISO3601-3:1987FluidsystemsSealingdevices—O-rings—Part3:QualityacceptancecriteriaISO6803:1984Rubberorplastichosesandhoseassemblies—HydraulicpressureimpulsetestwithoutflexingISO9974-23Connectionsforgeneraluseandfluidpower—PortsandstudendswithISO261threadswithelastomericandmetal-to-metalsealing—Part2:Studendwithelastomericsealing(typeE)ISO9974-33Connectionsforgeneraluseandfluidpower—PortsandstudendswithISO261threadswithelastomericandmetal-to-metalsealing—Part3:Studendwithmetal-to-metalsealing(typeB)3.DEFINITIONSForthepurposeofthispartofSAEJ1926,thedefinitionsgiveninISO5598andthefollowingshallapply.3.1AdjustableStudEndAstudendconnectorthatallowsforfittingorientationthroughfinaltighteningofthelocknuttocompletetheconnection.Thistypeofstudendistypicallyusedonshapedfittings(e.g.,tees,crosses,andelbows).3.2NonadjustableStudEndAstudendconnectorthatdoesnotrequirespecificorientationbeforefinaltighteningoftheconnectionbecauseitisonlyusedonstraightfittings.4.STUDENDSIZESPECIFICATIONSThestudendsshallbespecifiedbySAEJ1926-2andthethreadsize,separatedbyacolon,forexample,SAEJ1926-2:1/2-20.5.REQUIREMENTS5.1DimensionsHeavy-duty(Sseries)SAEJ1926-2studendsshallconformtothedimensionsinFigures1Aand1BandTable1.HextolerancesacrossflatsshallbeaccordingtoISO4759-1productgradeC.5.2WorkingPressureHeavy-duty(Sseries)studendsmadeoflow-carbonsteelshallbedesignedforuseattheworkingpressuresgiveninTable2.3Tobepublished.SAEJ1926-2RevisedOCT2006-5-FIGURE1A-ADJUSTABLESAEJ1926-2HEAVY-DUTY(SSERIES)STUDENDDETAILFIGURE1B-NONADJUSTABLESAEJ1926-2HEAVY-DUTY(SSERIES)STUDENDDETAILSAEJ1926-2RevisedOCT2006-6-TABLE1-SAEJ1926-2HEAVY-DUTY(SSERIES)STUDENDDIMENSIONSDimensionsinmillimetersNominalTubeODorHoseIDInchTubingDashSizeNominalTubeODorHoseIDInchTubingmmNominalTubeODorHoseIDInchTubinginNominalTubeODorHoseIDMetricTubingmmd1(1)ThreadSizeinφd2±0.2φd3φd4±0.4φd5+0.05-0.08φd6±0.2φd7+0-0.3φd8±0.2-34.760.18853/8-2412.53.2+0.18/014.67.959.9814.1-46.350.25067/16-2014.14.5+0.18/016.59.2511.59.314.9-57.940.31281/2-2015.76+0.18/018.310.851310.917.3-69.520.375109/16-1817.37.5+0.22/020.212.2414.612.318.8-812.700.500123/4-162210+0.22/025.716.7619.416.823.6-1015.880.625167/8-1425.212.5+0.27/029.319.6322.619.726.8-1219.050.750201-1/16-1231.515.5+0.27/036.72427.32434.7-1422.220.875221-3/16-1234.718+0.27/040.427.1830.527.237.9-1625.401.000251-5/16-1237.921.5+0.33/04430.3533.730.441.1-2031.751.250301-5/8-1247.427.5+0.33/05538.2841.638.347.4-2438.101.500381-7/8-1253.833.5+0.39/062.344.64844.653.81.Sizes3/8thru7/8areUNF-2A,sizes1-1/16thru1-7/8areUN-2A.TABLE1-SAEJ1926/2HEAVY-DUTY(SSERIES)STUDENDDIMENSIONS(CONTINUED)DimensionsinmillimetersNominal(1)TubeODorHoseIDInchTubingDashSizeNominalTubeODorHoseIDInchTubingmmNominalTubeODorHoseIDInchTubinginNominalTubeODorHoseIDMetricTubingmmL1±0.2L2±0.2L3minL4±0.2L6±0.15L7±0.1L8±0.08L9refV(2)(3)HexV12Hex-34.760.188577.218.29.51.753.40.89.612.7014.29-46.350.25068.2820.5112.053.70.91114.2915.88-57.940.31288.2822.4112.053.70.91115.8817.46-69.520.3751098.522.4122.054.10.912.217.4619.05-812.700.500121010.326.1142.254.9113.922.2223.81-1015.880.6251611.811.530.2162.855.71.2516.325.4026.99-1219.050.7502013.812.833.818.53.3561.2518.631.7534.93-1422.220.8752213.812.833.818.53.3561.2518.634.9338.10-1625.401.0002513.813.634.618.53.3561.2518.638.1041.28-2031.751.2503013.813.634.618.53.3561.2518.647.6347.63-2438.101.5003813.813.634.618.53.3561.2518.653.9853.981.Sizes3/8thru7/8(–3thru–10)areUNF-2A,sizes1-1/16thru1-7/8areUN-2A.2.SeeAppendixAforrecommendedmetrichexsizes.3.ForjumpsizesVhexsizemaybelarger;however,thecornersmayhavetobeturnedtoappropriatediameterandlengthtofitportspotface.SAEJ1926-2RevisedOCT2006-7-5.3PerformanceHeavy-duty(Sseries)studendsmadeoflow-carbonsteelshallmeetorexceedtheburstandimpulsepressuresgiveninTable2whentestedaccordingto5.5.TABLE2-SAEJ1926-2HEAVY-DUTY(SSERIES)STUDENDPRESSURESUnitsinmegapascals(2)ThreadSizeinStudEndStylesNonadjustableWorking(1)PressureStudEndStylesNonadjustableTestPressureBurstStudEndStylesNonadjustableTestPressureImpulse(3)StudEndStylesAdjustableWorking(1)PressureStudEndStylesAdjustableTestPressureBurstStudEndStylesAdjustableTestPressureImpulse(3)3/8-24UNF-2A6325283.84016053.27/16-20UNF-2A6325283.84016053.21/2-20UNF-2A6325283.84016053.29/16-18UNF-2A6325283.84016053.23/4-16UNF-2A6325283.84016053.27/8-14UNF-2A6325283.84016053.21-1/16-12UN-2A4016053.24016053.21-3/16-12UN-2A4016053.24016053.21-5/16-12UN-2A4016053.231.512641.91-5/8-12UN-2A2510033.22510033.21-7/8-12UN-2A2510033.2208026.61.Thesepressureratingswereestablishedusingfittingsmadeoflow-carbonsteelandtestedinaccordancewith5.5.2.ToconvertfromMPatobarmultiplyby10.ToconvertfromMPatopsimultiplyby145.04.3.Cyclicendurancetestpressure.5.4AdjustableStudEndWasherFitandFlatnessThewashershallbeclinchedtothestudendwithatightslipfittoaninterferencefit.Theslipfitshallbetightenoughsothatthewashercannotbeshakenloosetocauseittodropfromitsuppermostpositionbyitsownweight.ThelocknuttorqueneededtomovethewasheratthemaximumwasherinterferencefitshallnotexceedthetorquesgiveninTable3.Anywashersurfacethatisoutofflatnessshallbeuniform(i.e.,notwavy)andconcavewithrespecttothestudendandshallconformtotheallowancegiveninTable3.TABLE3-ADJUSTABLESTUDENDWASHERTORQUEANDFLATNESSALLOWANCEThreadSizeinMaximumNutTorquetoMoveWasherN·m(1)MaximumWasherFlatnessAllowancemm3/8-24UNF-2A30.257/16-20UNF-2A40.251/2-20UNF-2A50.259/16-18UNF-2A70.253/4-16UNF-2A100.257/8-14UNF-2A120.251-1/16-12UN-2A150.401-3/16-12UN-2A180.401-5/16-12UN-2A200.401-5/8-12UN-2A250.501-7/8-12UN-2A300.501.ToconvertfromN.mtolbfftmultiplyby0.737.SAEJ1926-2RevisedOCT2006-8-5.5TestMethodsStudendsshallbetestedforburstandimpulseperSAEJ1644withassemblytorquevaluesshowninTable4.TABLE4-SAEJ1926-2STUDENDQUALIFICATIONTORQUEThreadSizeinTorque+10%-0N·m(1)3/8-24UNF-2A107/16-20UNF-2A201/2-20UNF-2A259/16-18UNF-2A353/4-16UNF-2A707/8-14UNF-2A1001-1/16-12UN-2A1701-3/16-12UN-2A2151-5/16-12UN-2A2701-5/8-12UN-2A2851-7/8-12UN-2A3701.ToconvertfromN.mtolbfftmultiplyby0.737.6.O-RINGO-ringsusedwithheavy-duty(Sseries)SAEJ1926-2studendsshallconformtothedimensionsgiveninSAEJ515.7.IDENTIFICATIONSTATEMENTUsethefollowingstatementintestreports,catalogues,andsalesliteraturewhenelectingtocomplywiththispartofSAEJ1926:"Heavy-duty(Sseries)studendconformstoSAEJ1926-2,Connectionsforgeneraluseandfluidpower—PortsandstudendswithASMEB1.1threadsandO-ringsealing—Part2:Heavy-duty(Sseries)studends."8.NOTES8.1KeyWordsFluidpower,pipefittings,standardconnection,standardcoupling,pipejoints,ports,studends,specifications,design,operatingrequirements,dimensions,designation,testmethods,inch,straightthread,O-ringseal,highpressure.8.2MarginalIndiciaThechangebar(l)locatedintheleftmarginisfortheconvenienceoftheuserinlocatingareaswheretechnicalrevisionshavebeenmadetothepreviousissueofthereport.An(R)symboltotheleftofthedocumenttitleindicatesacompleterevisionofthereport.PREPAREDBYTHESAEFLUIDCONDUCTORSANDCONNECTORSTECHNICALCOMMITTEESC1—AUTOMOTIVEANDHYDRAULICTUBEFITTINGSAEJ1926-2RevisedOCT2006-9-APPENDIXA-(NORMATIVE)A.1Byagreementbetweenuserandsupplier,thesemetrichexsizes,showninTableA1,shallbeusedinlieuofinchhex.TABLEA1-METRICHEXSIZESThreadSizeinNonadjustableVHexNonadjustabled2±0.2mmAdjustableV1HexAdjustabled8±0.2mm3/8-24UNF-2A1211.81413.87/16-20UNF-2A1413.81716.81/2-20UNF-2A1716.81716.89/16-18UNF-2A1716.81918.83/4-16UNF-2A2221.82423.87/8-14UNF-2A2726.82726.81-1/16-12UN-2A3231.83635.81-3/16-12UN-2A3635.84140.81-5/16-12UN-2A4140.84140.81-5/8-12UN-2A5049.85048.81-7/8-12UN-2A5554.85554.8SAEJ1926-2RevisedOCT2006-10-APPENDIXB-ASSEMBLYINSTRUCTIONSFORADJUSTABLESTYLEFITTINGSINSTRAIGHTTHREADO-RINGPORTB.1LubricateO-ringbycoatingwithlightoilorpetrolatumandinstallinthegrooveadjacenttothefaceofthemetalback-upwasherwhichisassembledattheextremeendofthegrooveasshowninFigureB1.FIGUREB1-LOCKNUTBACKEDOFFInstallthefittingintotheSAEstraightthreadboss,FigureB2,untilthemetalback-upwashercontactsthefaceofthebossasshowninFigureB2.FIGUREB2-FITTINGINSTALLEDHANDTIGHTPositionthefittingbyturningout(counterclockwise)uptoamaximumofoneturn(seeFigureB3).Holdingthepadofthefittingwithawrench,tightenthelocknutandwasheragainstthefaceasshowninFigureB4.FIGUREB3-FITTINGBACKED-OFFFORALIGNMENT(1TURNMAXIMUM)SAEJ1926-2RevisedOCT2006-11-FIGUREB4-FITTINGLOCKNUTTIGHTENEDTOAPPROPRIATETORQUEFIGUREB5-FINALASSEMBLYOFADJUSTABLESTUDENDSAEJ1926-2RevisedOCT2006-12-APPENDIXC-METRICNUMBERSCONVERTEDTOINCHDIMENSIONSFIGUREC1-METRICNUMBERSCONVERTEDTOINCHDIMENSIONS