Parker的接头和管件的选型手册

aerospaceclimatecontrolelectromechanicalfiltrationfluid&gashandlinghydraulicspneumaticsprocesscontrolsealing&shieldingAlongwiththeever-growingpowerandefficiencyofconstruction,agricultureandothermachineryandincreasingworkingpressuresandflowParkrimpNo-Skivesystemisbasedonno-skivingtechnology(withoutremovingtherubbercoverbeforeassemblingEachofthetwoconceptshasitsindisputableadvantages–whichconceptshouldbeselecteddependsontheparticularconditionsoftheapplication.ratesoftheirhydraulicsystems,multispiralhoseisgaininganincreasinglyimportantroleinmachinedesign.ParkerHannifin,astheworldEachoftheParkrimpNo-SkiveandParLocksystemsconsistsofintegratedrangesofhose,fittingsandassemblingequipmentandknow-how,allofwhichare:•Designedanddevelopedtogether•Testedandapprovedtogether•ProducedandsuppliedtogetherThiswayParkerHannifincanguarantee:•Thehighestqualityandsafetyandthelongestservicelifeofthefinalproduct–totheendusers,andatthesametime:•Theeasiest,mostefficientandsafeproductionprocess–totheassemblers.InthiswayParkerHannifinalsomeetstherequirementsofSAEJ1273andISO17165-2,whichpayparticularattentiontomatchingthehosewiththefittingsandtotheircompatibilityprovenbythemanufacturer.leaderinthehydraulichosemarket,respondstothesehighlydemandingrequirementswith2comprehensivesystems–ParkrimpNo-SkiveandParLock.ParLocksystemusesexternalorinternalandexternalskiving(InterlocktechnologyParkrimpNo-SkiveandParLockSystemParkrimpNo-Skiveissynony-mouswiththebestsolutionforassemblinghydraulicandrelatedhoseandfittingsfromboththetechnicalandthemanufacturingpointsofview!Throughouttheprogressiverubberandmetalcompressionduringthecrimpingprocessthereinforcementalwaysremainsintact.Themeticulousdesign,ParkrimpNo-Skivehoseandfittingsthesystemforfastandleak-freeassemblies•ForcrimpingParkrimpNo-Skivefittingsonly•Noskivingtoolneeded•Noneedtoremovethecover•Quickandeasy:nogaugestosetonthemachine•Portablemachinesforfieldrepair•MeetsENsafetyregulationsParkrimpNo-SkiveTheeasytooperatecrimpsystemfromtextileto6spiralhightensilesteelwireParkrimpNo-Skivehoseandfittingsethesystemwiththeperfectmatchtestingandmanufacturingpro-cessesofParkrimpNo-Skivehoseandfittings,combinedwiththeapprovedcrimpingdiametersprovideanexcellentmechanicalconnectionbetweenthehoseandthefitting.Thisabsolutelyleak-freeconnectiongiveslongservicelifeevenwiththehighestpressuresassociatedwith4-and6-spiralhoseassemblies.Thesmartlydesignedandtime-testedParkrimpNo-Skiveassem-blingequipmentcombinedwithParker‘sassemblingknowhowallowthesafest,mostefficientandmistake-proofassemblyprocess.TheParkrimpequipmentallowscostandtimesavingstotheassemblerandguaranteesadefect-free,reliableanddurablefinalproducttotheend-user.tionswithextremelydynamicpressureressuresurgesandpeaks,aswellastionswithintensevibrationsandhose(bending,especiallywhenclosetothe,astrongmechanicalgripbythefittingthehoseisparamount.opularmethodacceptedbythemarketofevingthismechanicalgripinsuchap-tionsistousehosefittingsthat„lock“etalreinforcementofthehosedirectlyenthemetalshellandnipple–forwhicherofthehosehastoberemovedboth•Hydrostatictransmissions(combineharvesters,largetractors,excavators,etc.•VibratoryhammersParLockThesystemforextremelydynamicpressureapplicationsFormanufacturingtheParLockhoseassembliesParkeroffers•Largeinjectionmouldingmachines•Tunnellingmachines•Forestrymachines•Largematerialhandlingmachines(containerhandling•Excavatorbooms•Blow-outpreventersinoilandgasApplicationsrequiringtheParLocksystem•Skivingmachinesforexternalandinternalskiving•Universalcrimpingmachineswithadjustablecrimpingdiameter•Detailedassemblinginstructions(seefurtherinthiscatalogueexternallyanduptoacertainlengthalsointernally(aconceptgenerallycalled„Interlock“.Asaresponsetothemarketre-quirementforan„Interlock“hosefittingsystem,Parkerhasdevel-opedtheParlockprogram.Thisrangeconsistsofaspecificrangeofhose,fittingsandassemblyequipmentcombinedwithParkercrimpingknow-how.TechnicalHandbookA-IndexIndexCatalogue4400/UKAa-2HosesandFittingsTerminology–Thebasics!Hydraulichoseisafull-valuepartofthehydraulicsystemtransmittingthehydraulicpower–notjustconveyingafluid–anddeservesadequateattention,justliketheotherhydrauliccomponentswhichgen-erate,consumeorcontrolthatpower.Furthermore,itisjusthydraulichoseassembliesthatareusu-allymostexposedtovariousextremeconditionsinwhichtheyhavetoretainfullfunctionalityandassureserviceabilityofthehydraulicsystemandsafetyoftheoperators.Inspiteofthat,theimportanceofthehydraulichoseisoftenoverlookedandunderestimated.Thiscatalogueistoprovideguidelinestocorrecthosesandfittingsselectionandhoseassemblymanufacturingandtohighlightthemostimportantsafetyaspectsforitsserviceinthefield.Aa-3Tube–innerlayerofrubbercom-poundwithchemicalandphysicalpropertiestobelong-termresistanttothefluidandworkingconditions.Reinforcement–1or2(exception-ally3layersofbraidedtextilefibreorhighlytensilesteelwireor4or6layersofspiralledveryhighlytensilesteelwiretobearhighpressurebutallowflexibilityofthehose.Cover–outerlayerofrubbercom-poundwithchemicalandphysicalpropertiestoprotectthereinforce-mentagainstambientconditionsandmechanicaldamage.Dependingonthepressurelevelweclassifythehydraulichosesinthiscatalogueinto4groups:•Push-Lok–low-pressurehoseswithself-gripconnectiontofittings•LowpressureandTransportation–1and2textileyarnbraidedand1steelwirebraidedhoses•Mediumpressure–1and2steelwirebraidedhosesandsuctionhoses•Highpressure–3steelwirebraidedhosesand4or6spiralsteelwirebraidedhoses–4spiralsteelwirebraidedcompacthosesDependingonthemethodofhoseandfittingsassemblingweoffer2basicproductconcepts(integratedproductlinesofhoses,fittings,assemblingequipmentandknow-how:•ParkrimpNo-Skive–completerangeofbraidedandspiralledhose,notneedingremoving(skivingofthehosecoverbeforeassembling.•ParLock–specificrangeof4and6spiralhoseforextremeapplicationswhichrequireskivingofthecoverandforbiggersizesalsooftheinnertube.HydraulicRubberHosesHoseandFittingsTerminologyAa-4NoteParkeralsooffersalimitedrangeof2-pieceParkrimpNo-Skivefittingsbutbeingspecialproductstheyarenotincludedinthiscatalogue.Formoreinformationabout2-piecefittings,pleasecontactourDivisionHelpdeskHoseandFittingsTerminologyHoseFittingsNipple(insertetc.–theinnerpartofthefittingofwhich,oneendiscoupledtothecounterpartofahydrauliccomponent(terminationend,whiletheotherendisinsertedintothehose(tailend.Toassurecompatibilityandleak-freesealingofthehosefittingwiththeotherconnectors,designsofterminationendsarestandardizedaccordingtonumerousnationalandinternationalstandards.Themainroleofthetailendistoprovidedurablesealingbetweenfittingandhose.Shell(socket,ferruleetc.–theouterpartofthefittingprovidesmechanicalconnectionofthefittingwiththehose.Toassureastrongholdofthehosereinforcement,shellsaregenerallycrimpedontothehoseduringassembly.Thedesignofthetailendandtheshellprofileisthesoleresponsibilityoftherespectivemanufacturer.Duetothisreasonmanydifferentdesignsarefoundinthemarket(onlythedesignoftheterminationendandthefunctionalityoftheenitirehoseassemblyisspecifiedintheinternationalstandards.Inthiscatalogueweoffer3kindsoffittings:•Push-Lok–specialnipplesconnectabletoPush-Lokhosewithoutanyshells.•1-piecefittings–pre-crimpedshellsonnipplesmaketheas-semblingofhosewithfittingseasier,moreeffectiveandreliable.•2-piecefittings–forextremeapplicationsrequiringfullmetal-to-metalconnectionofthehosereinforcementwiththeshellorevenwiththenipple(externalorexternalplusinternalskiving.ExceptPush-Lok,allfittingsinthiscataloguearecrimpedandinclude:•AllParker1-piecefittings–suitablefortheParkrimpNo-Skiveproductlinee•All2-piecefittingsinthiscatalogue–suitablefortheParLockproductlineAa-5HoseHintNevermix&matchonemanu-facturer’sfittingswithhosesfromanothermanufacturer.Parkerhoses,fittings,assemblingequipmentandknow-howaredesignedasanintegratedsystem.Onlythisensuresoptimumproductperformance,reliabilityandsafety!HoseAssemblyItistheinterplaybetweenthefittingtailandshelldesignsandthehosedesignwithitsmaterialpropertiesthatprimarilydetermineperformance,service,durabilityandsafetyofthefinalhoseassembly.Yetcompatibilityofhoseandfittingcannotbejusttheoreticallyprojected.Itre-quiresexhaustiveandrepetitivelaboratoryandfieldtestsandfurthertuningofthedesigns.Non-compatibilityofhosewithfittingsoreventhecombinationofhoseandfittingsfromdifferentmanufacturers,donotjustonlyinfluencetheper-formanceofthehoseassembly,theyoftenleadtohosefailurewithserioushealthorlife-threateningconsequences!ForthisreasonthemaininternationalstandardsISO17165-2andSAEJ1273strictlywarnnottomixhosewithfittingsfromdif-ferentmanufacturerswithouttheirapproval.ParkerhasnotapprovedproductsofanyothermanufacturerforcombinationwithParkerhosesand/orParkerfittingsandguaranteesfullcom-patibility,reliabilityandsafetyonlyforcombina-tionsofgenuineParkerpartsselectedandassem-bledinaccordancewiththeguidelinesincludedinthiscatalogue!PressureRatingHydraulichoseisacomponenttransmittinghydraulicpowerandthepressureisobviouslythemainphysi-calquantitydeterminingthehydraulicpower.Forhydraulichosesthefollowingpressureratingsareused:WorkingPressure–thepressureforwhichthehoseassemblyisdesignedtooperateoveritswholeservicelife-providedtheotherparameters(temperatureinparticulastaywithinreasonablelimits.BurstPressure–thepressurewhichstaticallyappliedcausesdestructionofthehose.Techni-calstandardsforhydraulichosesdefinetheburstpressuretobeequaltoorhigherthan4timestheworkingpressure(safetyfactor4.Thisruleandtheburstpressureingeneralservetohosemanufacturersfordesignandtestingofthehoseonly!Ifyouhappentoknowtheburstpressureofcertainhose,neverusethisrulebackwardstodeduceitsworkingpressure!4x=Forapparentlystaticapplications(e.g.withhandpumpsorwaterjettingconsulttheWorkingPressurewithyourParkerFieldRepresentativeorwithourTechnicalSupport(HPDE_Helpdesk@.HoseandFittingsTerminologyAa-6ofsMPa(MegaPascal–usedalsointhiscatalogue.IntheUSandinAnglo-Saxonmarketsalsopsi(poundspersquareinchisofficiallyusedandmanyEurope-anproducers,usersandeventechnicalstandardsstillalsousebar.FortheconversionchartofvariousunitsofmeasureseepageAb-18.Remembertheworkingpressure1.Thehoseassemblyworkingtheweakest“linkinthechaioftheworkingpressuresoffittings.Donotforgettochecsureofthefittingswhenseleforahoseassembly(seepagesAb-8toAb-10of2.Therealhydraulicsystemoisnotgivenbythesystemcomponentssetupbutbythewhichintroducesintothesysandsurgesorbythefunctiosystemitself(rapidclosingoinducesspikesandpulses.Saredetectableonlybysensitsuregaugesandareusuallyallfilteredoutbysafetyorreliefvalvesandexertexcessivestrainonthehydraulicsystem–hosesandtubesfirstofall!3.Thehoseassemblyworkingpressuremustalwaysbeequaltoorhigherthantherealhydraulicsystemoperatingpressureincl.allpeaks,surges,spikesandpulses!HoseHintWorkingpressureisadynamicparameter,burstpressureisastaticparameter.Highburstpressuredoesnotmeanhighworkingpressure!4x=Inordertoassuremutualcompatibility,producersofhydraulicequipment,producersofmachinesandalsointernationaltechnicalstandardsprofesscertainpreferredpressurelevels:HoseHintForhighlydemandingapplications(dynamicpressure,highnumberofpressurecycles,hightemperatureetc.:•Selecthosewithmuchhigherworkingpressurethanofficiallyrequested•SelectmultispiralhoseinsteadofbraidedorParLockinsteadofParkrimpNo-Skive•Selectallofthatinordertoincreaseservicelifeandsafety!HoseandFittingsTerminologyHoseSizeTheotherparameterdeterminingthehydraulicpowerindirectproportionistheflowrate–i.e.thefluidvelocity.However,toohighfluidvelocitygivesrisetoturbulence,pressuredropsandheatingupofthefluid,causingexcessiveageingofhosesandothercomponentsoreventheirdamage.Tokeepthefluidvelocitybelowcertainlimitsbutachievetherequiredflowrate,thesizeofthehosehastobedefinedappropriately(seeFlowCapacityChartonpageAb-20.AsthefirsttechnicalstandardsforhosecamefromtheUSA,dimensionsofhosearedefinedininchesandhosesizesareexpressedininchesorfrominch-derivedunits.Globalcompanies–suchasParker–usedashsizes(-1=1/16”,whiletheEuropeanstandardsuseDIN-basedDN(diameternominalsizes.NoteSAE100R5hydraulichose,SAEJ1402air-brakehoseandSAEJ2064air-conditioninghoseusesizesequivalenttocorrespondingmetaltubeI.D.–differ-entfromtheotherhydraulichoses(seedatasheetsofthesehosesinthiscatalogue.I.D.AmbientandFluidTemperatureTemperatureisoneofthefactorswhichmostnegativelyaffectrubbercharacteristicsandsoitdeservesparticularattentionofthehydraulicsystemdesignersandhoseusers!Hightemperaturecausesdegradationofrub-berandacceleratedageingofthehose–aneffectwhichcanbeyetfurtherintensifiedbythechemicalimpactofthefluid.Thatiswhytheup-pertemperaturelimitsspecifiedinthiscataloguerefertothefluidtemperatureandwhytheydifferforvariousmedia.However,permanentorlong-termuseattemperaturesclosetotheupperlimitwouldconsiderablyshortenthehoseser-vicelifeinanycaseandifitcannotbeavoidedthehoseshouldbereplacedmorefrequentlyonceitshowsfirstsymptomsofdeterioratioin(stiffness,hardcoverandcracks.Lowtemperature,ontheotherhand,affectsmainlyphysicalpropertiesofrubber–makingtmorefragile–andsoatextremelylowtem-peratureshosebeingbentmaycrackintubeorcoverwhichcancauseimmediateorlatereakage,burstorreinforcementdamage.Astherearenotmanyhydraulicfluidswhichflowatorbelow-40°C,thelowertemperaturelimitsspecifiedinthiscataloguereferrathertoambi-enttemperaturebelowwhichthehoseshouldnotbebentorotherwisehitfromoutside(whilestayingpassivelyinitdoesnotcauseseriousproblems.°CHoseHintThecombinationofhightem-peratureandhighpressurereducesthehoseservicelife.Payattentiontoregularin-spectionofsuchhosesandtheirpreventivereplacementifthecoverisbrittleorcracked!HoseandFittingsTerminologyAa-7statethehoseisdesignedfor.However,thelayoutofthereinforcementwireorfibreinsideabenthosemayshifttolessappropriatepositions.Thetubeandcoverarestretchedandbecomethin-radiusarenegativelyinterdependentparametersandthemax.workingpressuresspeci-fiedinthiscatalogueareconditionedbyrespectingthemin.bendradii.RecommendedFluidsAsthepowertransmitting–notfluidconveying–element,hydraulichoseshouldbefirstofallusedfortheprimaryapplicationsandwiththerecom-mendedfluidsspecifiedinthiscatalogue!Forlowpressureapplicationswithvariousnon-hydraulicfluidsseeourcatalogue“4401IndustrialHoses”.Ifforrequiredhigherpressureorforanyotherreasonyoucannotuseindustrialhoses,followtheinstructionsinthiscatalogue(pagesAa-9–Application,Aa-11–FluidCompatibilityandAb-22toAb-30–ChemicalResistanceTable.HoseandFittingsTerminologyAa-8SafeHoseAssemblyin8Steps1.ApplicationTherearesomanyoperationalfactorsaffectingthefunctionalityandservicelifeofhydraulicrubberhosesandthereissuchawidevarietyofexternalcircumstancestheyhavetoworkinthatsomefewbasicparameterssuchaspressure,sizeandfittingtypescannotprovideasufficientbasisforselectingandproducingtheproperproduct.Theonlyunfailingwayistostart…fromtheend–tolearnandthoroughlyunderstandtheapplicationthehoseassemblywillworkin.Mainoperationalfactors:–Market(agriculture,construction,marine,mining,…–Machine/equipmenttype–Hydraulicsystempressure–Static/dynamic–Extremepulses(frequency,amplitude–Surges,peaks,spikes–Suctionstrains–Flowrate–Ambient/fluidtemperature(permanent,peak–Biodegradableoil–Otherfluid–liquid/gaseous–Bendradius–etc.Mainexternalcircumstances:–Extremeenvironmentalconditions–Ultravioletlight/sunlight–Ozone/smog/saltwater–Restrictedspace–Abrasives/sharp-edgedobjects–Mechanicalloads(strain,stress,torsion–Mechanicalvibrations–Fittingsheated–Fittingsundervoltage/current–Electrical/magneticfield–Heatexposure–Flame/fireexposure–etc.Otherrequirements:–Certificate/approvalneeded–Special(OEMspecification–Environmentalrequirements–WorksafetyrequirementsHoseHintYoudonotalwaysneedadditionalsleevetoprotectthehoseagainstabrasion!Parkerhighandextremelyhighabrasionresist-antandversionswith80-timesand450-timeshigherabrasionresistancedothesame,butbetterandcheaper!Aa-9Aa-103.SizeToavoidturbulenceandtheirnegativeconsequen-cesforhoseandothercomponentsinthehydrauliccircuit,certainlimitsforfluidvelocityhavebeensetbasedonlong-termexperiencewithhydraulicsys-tems.Thelimitsdifferforpressure,returnandsuc-tionlines,asthehydraulicflowtendstoturbulencesthemorethelowerthepressure.Max.recommendedfluidvelocity:•Pressurelines–max.6to8m/sec•Returnlines–max.3to4m/sec•Suctionlines–max.1.2to1.5m/secHowever,thereisnoneedtocalculatethevelocity.Dependingontheflowrateandkindofhydrauliclineinwhichthehoseisintendedtoserve(pressure/return/suctionyoucanassigntherequiredhosesizeintheFlowCapacityNomogramonpageAb-20.2.PressureWorkingpressuresofbothhoseandfittingsmustbeequaltoorhigherthantherealhydraulicsystemoperatingpressureincl.allsurges,peaks,spikesandpulses!ForhoseworkingpressureratesseepagesAb-2toAb-3HoseOverview.ForfittingsworkingpressureratesseepagesAb-8toAb-10HoseFittingsPressureRatings.Fortheabsolutemajorityofhydraulicapplicationsincl.forthehighestpressure4-and6-spiralhosesweadvisetousetheParkrimpNo-Skiveproductline.Itprovidesreallysupremesolutionsforhydrau-licandrelatedhosesandfittingsfromboththetech-nicalandthemanufacturingpointsofview!Forapplicationswithextremelypulsingdynamicpres-sure,pressuresurgesandpeaks,aswellasforap-plicationswithintensemechanicalvibrationsandhoseflexing(bending,especiallyclosetothefittings,werecommendusingtheParLockproductline.HoseHintDon’ttrytosaveyourownoryourcustomer’smoneybydownsizingthehose!Itwouldcostyourcus-tomermoretoreplacedamagedhoses,othercomponentsandoil,anditwillcostyoumoreasyoumayloseyourcustomer!I.D.SafeHoseAssemblyin8StepsAa-114.TemperatureThemaintechnicalstandardsforhydraulichosesspecifythemax-mintemperaturerangeusually(notalwaysas:•ENstandardsandEN/DIN-basedISOstandards-40°Cto+100°C•SAEstandardsandSAE-basedISOstandards-40°Fto+250°F/-40°Cto+121°CForParkerhosesyoucanfindtherecommendedtemperaturerangesforfluidsandforwaterandair(whenapplicableinthedatasheetofeachhosetypeinthiscatalogue.BesidesacompleterangeofstandardhosesParkeralsooffersawiderangeofspecialtypesforlowandhightemperatures–seepagesAb-2toAb-3HoseOverview.HighTemperatureForhightemperaturehoseschoosethepartnumbersendingin“6”–e.g.436-12-SAE100R16HighTemperaturehosesize-12LowTemperatureForextremelylowtemperaturehoseschoosethepartnumbersendingin“LT”–e.g.461LT-16–EN857-2SCLowTemperatureHosesize-165.FluidCompatibilityYoucanfindrecommendedfluidsforParkerhosesinthedatasheetofeachhosetypeinthiscatalogue.IftherequiredfluidisnotmentionedintheRecommendedFluidsChartandifduetohigherpressureorforanyotherreasonyoucannotuseParkerindustrialhoses(seeParkercatalogue“4401IndustrialHoses”paythehighestattentiontoobtainasmuchinformationaspossibleaboutthefluid(tem-perature,pressure,state–liquidorgaseousetc.andabouttheworkingconditionsofthehose(seepar.1.Application.ThencheckthecompatibilityofthefluidwiththegivenhoseandmaterialofthefittingintheChemicalResistanceTablepagesAb-22toAb-30.TheChemicalResistanceTableconcernssolelythehoseinnertube.Hydraulichosesshouldneverbesubmergedinthehydraulicfluids!Ifyouneedtoknowtheresistanceofthehosecover,consultourTechnicalSupport6.FittingsEvenifthefittingterminationendisgivenbytheothercomponentinthehydrauliccircuitorthehoseassemblyisjustforreplace-ment,youhavetopayattentiontochoosingthecorrectfittingscompatiblewiththegivenhosefortherequiredworkingpressureandfluid.Toidentifythecorrespondingter-minationendseepagesAb-31toAb-41IdentifyingFittingTypes.Foreachtypeofhosetheseriesofthecompat-iblefittingisindicatedinthehosedatasheetsinthiscatalogue–e.g.Parkerhose701istobeassem-bledonlywithParkerFittingsSeries70.Alwayscheckthefittingworksure–seepagesAb-8toAbHoseFittingsPressureRatingHoseHintAlthoughfittingsaremadeofsteel,theirworkingpressureisoftenlowerthanthatofhose!Don’tforgettochecktheworkingpres-suresofbothfittingswhenselectingcomponentsforyourhoseassembly!SafeHoseAssemblyin8StepsSafeHoseAssemblyin8Steps7a.WorkingStepsfor1-PieceParkrimpNo-SkiveFittingsCuttingHoseiscuttothedesiredlengthaccordingtospecifications.Thecorrecthosecuttingtoolensuresasquare,cleancutwithoutdamagingthepressurereinforcement.Dependingonthehosetype,differentkindsofcuttingbladesmustbeused:1Smoothcuttingblade:forhightensiletextilelayer,returnlinehosesandsteelwirebraidedhoses2Serratedcuttingblade:forhoseswith4or6spirallayerofhightensilesteelwireTolerancesforhoseassembliesLengthtoleranceaccordingtoDIN20066:2002-10andEN853toEN857Hoseassemblylengthupto630overoveroverover630upto12501250upto25002500upto80008000uptoDN25(size-16+7-3+12-4+20-6fromDN32(size-20fromDN60uptoDN50(size-32(size-40+12-4+20-6+25+25-6-6+1,5%-0,5%+3%-1%AccordingtoEN982,hoseassembliesarenotpermittedtobemanufacturedfromanycomponentsthathavealreadybeeninuseinotherhoseassemblies.CleaningaftercuttingHoseAirAftercuttingitisrecommendedtocleanthehosewithcompressedairfrombothsides.PleasemakeuseofParker‘sCleaningSystemTH6-7–Aquickandsimplesystem–Deliveredwithtwoplasticnozzlesforhosesfromsize-4upto-32.Thehoseispressedagainstthenozzleandtherebyopensavalvetoallowthecompressedairtoblowthroughthehoseandblowoutlooseparticles.Aa-12SafeHoseAssemblyin8StepsMarkingassembliesmustbeclearlyandpermanentlymarked.Theymustbearthefollowinginformation:–Manufacturer’sidentification–Dateofproduction(yearandmonth–MaximumpermissibleworkingpressurelimitofhoseassemblyCrimping1-PieceParkrimpNo-SkiveFittingsCrimpingisthesafest,fastestandmostcommonlyusedmethodofmakingahoseassembly.TheParkercrimpingsystemsensureprecise,leak-freeandtear-proofassemblyofhoseandfitting.ReachingtheexactcrimpingdiameterispossiblewithParkrimpcrimpingtoolsoradjustablecrimpingtools.Whencrimping,itisessentialthathose,fittingandcrimpingtool(diesmatchprecisely.ForcrimpingdimensionspleasereferourcrimpchartsonpagesEd-1toEd-11.Furthermore,theinsertiondepth,asquarecuthose,correct,burr-freeandcleancrimpingareimportanttoensureacorrectlyformedandleakfreeconnectionofhoseandfitting.UsingtheParKrimphosecrimpersoradjustablecrimpers,thefittingiscrimpedontothehoseinoneslowandsmoothcrimpingprocedure.Adepthstopwithautomaticfunctionensuressafepositioningofthefitting.Thisguaranteesthecorrectcrimpingofhydraulichoseassemblies.26,46,48,70,71,73,76,77,78,79,S6series:Pushthehoseallthewayintothecoupling.Placethehosenexttothefittingshellandmarktheinsertiondepthorthelengthofthefittingontothehose–(lubricatehoseendifnecessary,pushthehoseintothefittinguntilthemarkonthehoseisevenwiththeendoftheshell.AnglesettingThedisplacementangleofahoseassemblyisindicatedonlywhentwoelbowfittingsareassembledinadisplacedway.Theanglealwayshastobeindicatedclockwiselookingfromtheelbowfittingatthebacktotheoneinthefront.Pleasealsoconsiderthenaturalbendingofthehose.Parkerrepresentativescansupportyouwithtrainingoradvice!Aa-13SafeHoseAssemblyin8StepsTesting(optionalProofPressureTestThistestistypicallycarriedoutoncustomerrequestaccordingtoamethoddefinedbytheISO1402standard.Thetestshouldbedoneatnormalambienttemperaturewithaprooftestbenchusingwateroranothersuitableliquid.Thehoseassemblyshouldbepressurisedforbetween30to60secondsattwicetheworkingpressureofthehoseassembly.Thereshouldbenoleakageorpressuredrop.Acompletetestreportshouldbeprovidedtogetherwiththehoseassemblytothecustomer.Statictestpressuredependingonthehosetypeandapplicationisappliedtothefinishedhoseassemblyforapre-definedperiodoftime.Thetestprocedurecanbedocumentedusingatestloggingunit.ThetestpressureforParkerhydraulichoseassembliesis2timesthevalueofthedynamicoperatingoverpressure.CleaningThehydraulicsystemshavetoreachadefineddegreeofcleanliness.Forthispurposeweusecleaningdeviceswhiche