Parker的接頭和管件的選型手冊

aerospaceclimatecontrolelectromechanicalfiltrationfluid&gashandlinghydraulicspneumaticsprocesscontrolsealing&shieldingAlongwiththeever-growingpowerandef?ciencyofconstruction,agricultureandothermachineryandincreasingworkingpressuresand?owParkrimpNo-Skivesystemisbasedonno-skivingtechnology(withoutremovingtherubbercoverbeforeassemblingEachofthetwoconceptshasitsindisputableadvantages–whichconceptshouldbeselecteddependsontheparticularconditionsoftheapplication.ratesoftheirhydraulicsystems,multispiralhoseisgaininganincreasinglyimportantroleinmachinedesign.ParkerHanni?n,astheworldEachoftheParkrimpNo-SkiveandParLocksystemsconsistsofintegratedrangesofhose,?ttingsandassemblingequipmentandknow-how,allofwhichare:?Designedanddevelopedtogether?Testedandapprovedtogether?ProducedandsuppliedtogetherThiswayParkerHanni?ncanguarantee:?Thehighestqualityandsafetyandthelongestservicelifeofthe?nalproduct–totheendusers,andatthesametime:?Theeasiest,mostef?cientandsafeproductionprocess–totheassemblers.InthiswayParkerHanni?nalsomeetstherequirementsofSAEJ1273andISO17165-2,whichpayparticularattentiontomatchingthehosewiththe?ttingsandtotheircompatibilityprovenbythemanufacturer.leaderinthehydraulichosemarket,respondstothesehighlydemandingrequirementswith2comprehensivesystems–ParkrimpNo-SkiveandParLock.ParLocksystemusesexternalorinternalandexternalskiving(InterlocktechnologyParkrimpNo-SkiveandParLockSystemParkrimpNo-Skiveissynony-mouswiththebestsolutionforassemblinghydraulicandrelatedhoseand?ttingsfromboththetechnicalandthemanufacturingpointsofview!Throughouttheprogressiverubberandmetalcompressionduringthecrimpingprocessthereinforcementalwaysremainsintact.Themeticulousdesign,ParkrimpNo-Skivehoseand?ttingsthesystemforfastandleak-freeassemblies?ForcrimpingParkrimpNo-Skive?ttingsonly?Noskivingtoolneeded?Noneedtoremovethecover?Quickandeasy:nogaugestosetonthemachine?Portablemachinesfor?eldrepair?MeetsENsafetyregulationsParkrimpNo-SkiveTheeasytooperatecrimpsystemfromtextileto6spiralhightensilesteelwireParkrimpNo-Skivehoseand?ttingsethesystemwiththeperfectmatchtestingandmanufacturingpro-cessesofParkrimpNo-Skivehoseand?ttings,combinedwiththeapprovedcrimpingdiametersprovideanexcellentmechanicalconnectionbetweenthehoseandthe?tting.Thisabsolutelyleak-freeconnectiongiveslongservicelifeevenwiththehighestpressuresassociatedwith4-and6-spiralhoseassemblies.Thesmartlydesignedandtime-testedParkrimpNo-Skiveassem-blingequipmentcombinedwithParker‘sassemblingknowhowallowthesafest,mostef?cientandmistake-proofassemblyprocess.TheParkrimpequipmentallowscostandtimesavingstotheassemblerandguaranteesadefect-free,reliableanddurable?nalproducttotheend-user.tionswithextremelydynamicpressureressuresurgesandpeaks,aswellastionswithintensevibrationsandhose(bending,especiallywhenclosetothe,astrongmechanicalgripbythe?ttingthehoseisparamount.opularmethodacceptedbythemarketofevingthismechanicalgripinsuchap-tionsistousehose?ttingsthat?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“hose?ttingsystem,Parkerhasdevel-opedtheParlockprogram.Thisrangeconsistsofaspeci?crangeofhose,?ttingsandassemblyequipmentcombinedwithParkercrimpingknow-how.TechnicalHandbookA-IndexIndexCatalogue4400/UKAa-2HosesandFittingsTerminology–Thebasics!Hydraulichoseisafull-valuepartofthehydraulicsystemtransmittingthehydraulicpower–notjustconveyinga?uid–anddeservesadequateattention,justliketheotherhydrauliccomponentswhichgen-erate,consumeorcontrolthatpower.Furthermore,itisjusthydraulichoseassembliesthatareusu-allymostexposedtovariousextremeconditionsinwhichtheyhavetoretainfullfunctionalityandassureserviceabilityofthehydraulicsystemandsafetyoftheoperators.Inspiteofthat,theimportanceofthehydraulichoseisoftenoverlookedandunderestimated.Thiscatalogueistoprovideguidelinestocorrecthosesand?ttingsselectionandhoseassemblymanufacturingandtohighlightthemostimportantsafetyaspectsforitsserviceinthe?eld.Aa-3Tube–innerlayerofrubbercom-poundwithchemicalandphysicalpropertiestobelong-termresistanttothe?uidandworkingconditions.Reinforcement–1or2(exception-ally3layersofbraidedtextile?breorhighlytensilesteelwireor4or6layersofspiralledveryhighlytensilesteelwiretobearhighpressurebutallow?exibilityofthehose.Cover–outerlayerofrubbercom-poundwithchemicalandphysicalpropertiestoprotectthereinforce-mentagainstambientconditionsandmechanicaldamage.Dependingonthepressurelevelweclassifythehydraulichosesinthiscatalogueinto4groups:?Push-Lok–low-pressurehoseswithself-gripconnectionto?ttings?LowpressureandTransportation–1and2textileyarnbraidedand1steelwirebraidedhoses?Mediumpressure–1and2steelwirebraidedhosesandsuctionhoses?Highpressure–3steelwirebraidedhosesand4or6spiralsteelwirebraidedhoses–4spiralsteelwirebraidedcompacthosesDependingonthemethodofhoseand?ttingsassemblingweoffer2basicproductconcepts(integratedproductlinesofhoses,?ttings,assemblingequipmentandknow-how:?ParkrimpNo-Skive–completerangeofbraidedandspiralledhose,notneedingremoving(skivingofthehosecoverbeforeassembling.?ParLock–speci?crangeof4and6spiralhoseforextremeapplicationswhichrequireskivingofthecoverandforbiggersizesalsooftheinnertube.HydraulicRubberHosesHoseandFittingsTerminologyAa-4NoteParkeralsooffersalimitedrangeof2-pieceParkrimpNo-Skive?ttingsbutbeingspecialproductstheyarenotincludedinthiscatalogue.Formoreinformationabout2-piece?ttings,pleasecontactourDivisionHelpdeskHoseandFittingsTerminologyHoseFittingsNipple(insertetc.–theinnerpartofthe?ttingofwhich,oneendiscoupledtothecounterpartofahydrauliccomponent(terminationend,whiletheotherendisinsertedintothehose(tailend.Toassurecompatibilityandleak-freesealingofthehose?ttingwiththeotherconnectors,designsofterminationendsarestandardizedaccordingtonumerousnationalandinternationalstandards.Themainroleofthetailendistoprovidedurablesealingbetween?ttingandhose.Shell(socket,ferruleetc.–theouterpartofthe?ttingprovidesmechanicalconnectionofthe?ttingwiththehose.Toassureastrongholdofthehosereinforcement,shellsaregenerallycrimpedontothehoseduringassembly.Thedesignofthetailendandtheshellpro?leisthesoleresponsibilityoftherespectivemanufacturer.Duetothisreasonmanydifferentdesignsarefoundinthemarket(onlythedesignoftheterminationendandthefunctionalityoftheenitirehoseassemblyisspeci?edintheinternationalstandards.Inthiscatalogueweoffer3kindsof?ttings:?Push-Lok–specialnipplesconnectabletoPush-Lokhosewithoutanyshells.?1-piece?ttings–pre-crimpedshellsonnipplesmaketheas-semblingofhosewith?ttingseasier,moreeffectiveandreliable.?2-piece?ttings–forextremeapplicationsrequiringfullmetal-to-metalconnectionofthehosereinforcementwiththeshellorevenwiththenipple(externalorexternalplusinternalskiving.ExceptPush-Lok,all?ttingsinthiscataloguearecrimpedandinclude:?AllParker1-piece?ttings–suitablefortheParkrimpNo-Skiveproductlinee?All2-piece?ttingsinthiscatalogue–suitablefortheParLockproductlineAa-5HoseHintNevermix&matchonemanu-facturer’s?ttingswithhosesfromanothermanufacturer.Parkerhoses,?ttings,assemblingequipmentandknow-howaredesignedasanintegratedsystem.Onlythisensuresoptimumproductperformance,reliabilityandsafety!HoseAssemblyItistheinterplaybetweenthe?ttingtailandshelldesignsandthehosedesignwithitsmaterialpropertiesthatprimarilydetermineperformance,service,durabilityandsafetyofthe?nalhoseassembly.Yetcompatibilityofhoseand?ttingcannotbejusttheoreticallyprojected.Itre-quiresexhaustiveandrepetitivelaboratoryand?eldtestsandfurthertuningofthedesigns.Non-compatibilityofhosewith?ttingsoreventhecombinationofhoseand?ttingsfromdifferentmanufacturers,donotjustonlyin?uencetheper-formanceofthehoseassembly,theyoftenleadtohosefailurewithserioushealthorlife-threateningconsequences!ForthisreasonthemaininternationalstandardsISO17165-2andSAEJ1273strictlywarnnottomixhosewith?ttingsfromdif-ferentmanufacturerswithouttheirapproval.ParkerhasnotapprovedproductsofanyothermanufacturerforcombinationwithParkerhosesand/orParker?ttingsandguaranteesfullcom-patibility,reliabilityandsafetyonlyforcombina-tionsofgenuineParkerpartsselectedandassem-bledinaccordancewiththeguidelinesincludedinthiscatalogue!PressureRatingHydraulichoseisacomponenttransmittinghydraulicpowerandthepressureisobviouslythemainphysi-calquantitydeterminingthehydraulicpower.Forhydraulichosesthefollowingpressureratingsareused:WorkingPressure–thepressureforwhichthehoseassemblyisdesignedtooperateoveritswholeservicelife-providedtheotherparameters(temperatureinparticulastaywithinreasonablelimits.BurstPressure–thepressurewhichstaticallyappliedcausesdestructionofthehose.Techni-calstandardsforhydraulichosesde?netheburstpressuretobeequaltoorhigherthan4timestheworkingpressure(safetyfactor4.Thisruleandtheburstpressureingeneralservetohosemanufacturersfordesignandtestingofthehoseonly!Ifyouhappentoknowtheburstpressureofcertainhose,neverusethisrulebackwardstodeduceitsworkingpressure!4x=Forapparentlystaticapplications(e.g.withhandpumpsorwaterjettingconsulttheWorkingPressurewithyourParkerFieldRepresentativeorwithourTechnicalSupport(HPDE_Helpdesk@.HoseandFittingsTerminologyAa-6ofsMPa(MegaPascal–usedalsointhiscatalogue.IntheUSandinAnglo-Saxonmarketsalsopsi(poundspersquareinchisof?ciallyusedandmanyEurope-anproducers,usersandeventechnicalstandardsstillalsousebar.FortheconversionchartofvariousunitsofmeasureseepageAb-18.Remembertheworkingpressure1.Thehoseassemblyworkingtheweakest“l(fā)inkinthechaioftheworkingpressuresof?ttings.Donotforgettochecsureofthe?ttingswhenseleforahoseassembly(seepagesAb-8toAb-10of2.Therealhydraulicsystemoisnotgivenbythesystemcomponentssetupbutbythewhichintroducesintothesysandsurgesorbythefunctiosystemitself(rapidclosingoinducesspikesandpulses.Saredetectableonlybysensitsuregaugesandareusuallyall?lteredoutbysafetyorreliefvalvesandexertexcessivestrainonthehydraulicsystem–hosesandtubes?rstofall!3.Thehoseassemblyworkingpressuremustalwaysbeequaltoorhigherthantherealhydraulicsystemoperatingpressureincl.allpeaks,surges,spikesandpulses!HoseHintWorkingpressureisadynamicparameter,burstpressureisastaticparameter.Highburstpressuredoesnotmeanhighworkingpressure!4x=Inordertoassuremutualcompatibility,producersofhydraulicequipment,producersofmachinesandalsointernationaltechnicalstandardsprofesscertainpreferredpressurelevels:HoseHintForhighlydemandingapplications(dynamicpressure,highnumberofpressurecycles,hightemperatureetc.:?Selecthosewithmuchhigherworkingpressurethanof?ciallyrequested?SelectmultispiralhoseinsteadofbraidedorParLockinsteadofParkrimpNo-Skive?Selectallofthatinordertoincreaseservicelifeandsafety!HoseandFittingsTerminologyHoseSizeTheotherparameterdeterminingthehydraulicpowerindirectproportionisthe?owrate–i.e.the?uidvelocity.However,toohigh?uidvelocitygivesrisetoturbulence,pressuredropsandheatingupofthe?uid,causingexcessiveageingofhosesandothercomponentsoreventheirdamage.Tokeepthe?uidvelocitybelowcertainlimitsbutachievetherequired?owrate,thesizeofthehosehastobede?nedappropriately(seeFlowCapacityChartonpageAb-20.Asthe?rsttechnicalstandardsforhosecamefromtheUSA,dimensionsofhosearede?nedininchesandhosesizesareexpressedininchesorfrominch-derivedunits.Globalcompanies–suchasParker–usedashsizes(-1=1/16”,whiletheEuropeanstandardsuseDIN-basedDN(diameternominalsizes.NoteSAE100R5hydraulichose,SAEJ1402air-brakehoseandSAEJ2064air-conditioninghoseusesizesequivalenttocorrespondingmetaltubeI.D.–differ-entfromtheotherhydraulichoses(seedatasheetsofthesehosesinthiscatalogue.I.D.AmbientandFluidTemperatureTemperatureisoneofthefactorswhichmostnegativelyaffectrubbercharacteristicsandsoitdeservesparticularattentionofthehydraulicsystemdesignersandhoseusers!Hightemperaturecausesdegradationofrub-berandacceleratedageingofthehose–aneffectwhichcanbeyetfurtherintensi?edbythechemicalimpactofthe?uid.Thatiswhytheup-pertemperaturelimitsspeci?edinthiscataloguerefertothe?uidtemperatureandwhytheydifferforvariousmedia.However,permanentorlong-termuseattemperaturesclosetotheupperlimitwouldconsiderablyshortenthehoseser-vicelifeinanycaseandifitcannotbeavoidedthehoseshouldbereplacedmorefrequentlyonceitshows?rstsymptomsofdeterioratioin(stiffness,hardcoverandcracks.Lowtemperature,ontheotherhand,affectsmainlyphysicalpropertiesofrubber–makingtmorefragile–andsoatextremelylowtem-peratureshosebeingbentmaycrackintubeorcoverwhichcancauseimmediateorlatereakage,burstorreinforcementdamage.Astherearenotmanyhydraulic?uidswhich?owatorbelow-40°C,thelowertemperaturelimitsspeci?edinthiscataloguereferrathertoambi-enttemperaturebelowwhichthehoseshouldnotbebentorotherwisehitfromoutside(whilestayingpassivelyinitdoesnotcauseseriousproblems.°CHoseHintThecombinationofhightem-peratureandhighpressurereducesthehoseservicelife.Payattentiontoregularin-spectionofsuchhosesandtheirpreventivereplacementifthecoverisbrittleorcracked!HoseandFittingsTerminologyAa-7statethehoseisdesignedfor.However,thelayoutofthereinforcementwireor?breinsideabenthosemayshifttolessappropriatepositions.Thetubeandcoverarestretchedandbecomethin-radiusarenegativelyinterdependentparametersandthemax.workingpressuresspeci-?edinthiscatalogueareconditionedbyrespectingthemin.bendradii.RecommendedFluidsAsthepowertransmitting–not?uidconveying–element,hydraulichoseshouldbe?rstofallusedfortheprimaryapplicationsandwiththerecom-mended?uidsspeci?edinthiscatalogue!Forlowpressureapplicationswithvariousnon-hydraulic?uidsseeourcatalogue“4401IndustrialHoses”.Ifforrequiredhigherpressureorforanyotherreasonyoucannotuseindustrialhoses,followtheinstructionsinthiscatalogue(pagesAa-9–Application,Aa-11–FluidCompatibilityandAb-22toAb-30–ChemicalResistanceTable.HoseandFittingsTerminologyAa-8SafeHoseAssemblyin8Steps1.ApplicationTherearesomanyoperationalfactorsaffectingthefunctionalityandservicelifeofhydraulicrubberhosesandthereissuchawidevarietyofexternalcircumstancestheyhavetoworkinthatsomefewbasicparameterssuchaspressure,sizeand?ttingtypescannotprovideasuf?cientbasisforselectingandproducingtheproperproduct.Theonlyunfailingwayistostart…fromtheend–tolearnandthoroughlyunderstandtheapplicationthehoseassemblywillworkin.Mainoperationalfactors:–Market(agriculture,construction,marine,mining,…–Machine/equipmenttype–Hydraulicsystempressure–Static/dynamic–Extremepulses(frequency,amplitude–Surges,peaks,spikes–Suctionstrains–Flowrate–Ambient/?uidtemperature(permanent,peak–Biodegradableoil–Other?uid–liquid/gaseous–Bendradius–etc.Mainexternalcircumstances:–Extremeenvironmentalconditions–Ultravioletlight/sunlight–Ozone/smog/saltwater–Restrictedspace–Abrasives/sharp-edgedobjects–Mechanicalloads(strain,stress,torsion–Mechanicalvibrations–Fittingsheated–Fittingsundervoltage/current–Electrical/magnetic?eld–Heatexposure–Flame/?reexposure–etc.Otherrequirements:–Certi?cate/approvalneeded–Special(OEMspeci?cation–Environmentalrequirements–WorksafetyrequirementsHoseHintYoudonotalwaysneedadditionalsleevetoprotectthehoseagainstabrasion!Parkerhighandextremelyhighabrasionresist-antandversionswith80-timesand450-timeshigherabrasionresistancedothesame,butbetterandcheaper!Aa-9Aa-103.SizeToavoidturbulenceandtheirnegativeconsequen-cesforhoseandothercomponentsinthehydrauliccircuit,certainlimitsfor?uidvelocityhavebeensetbasedonlong-termexperiencewithhydraulicsys-tems.Thelimitsdifferforpressure,returnandsuc-tionlines,asthehydraulic?owtendstoturbulencesthemorethelowerthepressure.Max.recommended?uidvelocity:?Pressurelines–max.6to8m/sec?Returnlines–max.3to4m/sec?Suctionlines–max.1.2to1.5m/secHowever,thereisnoneedtocalculatethevelocity.Dependingonthe?owrateandkindofhydrauliclineinwhichthehoseisintendedtoserve(pressure/return/suctionyoucanassigntherequiredhosesizeintheFlowCapacityNomogramonpageAb-20.2.PressureWorkingpressuresofbothhoseand?ttingsmustbeequaltoorhigherthantherealhydraulicsystemoperatingpressureincl.allsurges,peaks,spikesandpulses!ForhoseworkingpressureratesseepagesAb-2toAb-3HoseOverview.For?ttingsworkingpressureratesseepagesAb-8toAb-10HoseFittingsPressureRatings.Fortheabsolutemajorityofhydraulicapplicationsincl.forthehighestpressure4-and6-spiralhosesweadvisetousetheParkrimpNo-Skiveproductline.Itprovidesreallysupremesolutionsforhydrau-licandrelatedhosesand?ttingsfromboththetech-nicalandthemanufacturingpointsofview!Forapplicationswithextremelypulsingdynamicpres-sure,pressuresurgesandpeaks,aswellasforap-plicationswithintensemechanicalvibrationsandhose?exing(bending,especiallyclosetothe?ttings,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°CForParkerhosesyoucan?ndtherecommendedtemperaturerangesfor?uidsandforwaterandair(whenapplicableinthedatasheetofeachhosetypeinthiscatalogue.BesidesacompleterangeofstandardhosesParkeralsooffersawiderangeofspecialtypesforlowandhightemperatures–seepagesAb-2toAb-3HoseOverview.HighTemperatureForhightemperaturehoseschoosethepartnumbersendingin“6”–e.g.436-12-SAE100R16HighTemperaturehosesize-12LowTemperatureForextremelylowtemperaturehoseschoosethepartnumbersendingin“LT”–e.g.461LT-16–EN857-2SCLowTemperatureHosesize-165.FluidCompatibilityYoucan?ndrecommended?uidsforParkerhosesinthedatasheetofeachhosetypeinthiscatalogue.Iftherequired?uidisnotmentionedintheRecommendedFluidsChartandifduetohigherpressureorforanyotherreasonyoucannotuseParkerindustrialhoses(seeParkercatalogue“4401IndustrialHoses”paythehighestattentiontoobtainasmuchinformationaspossibleaboutthe?uid(tem-perature,pressure,state–liquidorgaseousetc.andabouttheworkingconditionsofthehose(seepar.1.Application.Thencheckthecompatibilityofthe?uidwiththegivenhoseandmaterialofthe?ttingintheChemicalResistanceTablepagesAb-22toAb-30.TheChemicalResistanceTableconcernssolelythehoseinnertube.Hydraulichosesshouldneverbesubmergedinthehydraulic?uids!Ifyouneedtoknowtheresistanceofthehosecover,consultourTechnicalSupport6.FittingsEvenifthe?ttingterminationendisgivenbytheothercomponentinthehydrauliccircuitorthehoseassemblyisjustforreplace-ment,youhavetopayattentiontochoosingthecorrect?ttingscompatiblewiththegivenhosefortherequiredworkingpressureand?uid.Toidentifythecorrespondingter-minationendseepagesAb-31toAb-41IdentifyingFittingTypes.Foreachtypeofhosetheseriesofthecompat-ible?ttingisindicatedinthehosedatasheetsinthiscatalogue–e.g.Parkerhose701istobeassem-bledonlywithParkerFittingsSeries70.Alwayscheckthe?ttingworksure–seepagesAb-8toAbHoseFittingsPressureRatingHoseHintAlthoughfittingsaremadeofsteel,theirworkingpressureisoftenlowerthanthatofhose!Don’tforgettochecktheworkingpres-suresofbothfittingswhenselectingcomponentsforyourhoseassembly!SafeHoseAssemblyin8StepsSafeHoseAssemblyin8Steps7a.WorkingStepsfor1-PieceParkrimpNo-SkiveFittingsCuttingHoseiscuttothedesiredlengthaccordingtospeci?cations.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’sidenti?cation–Dateofproduction(yearandmonth–MaximumpermissibleworkingpressurelimitofhoseassemblyCrimping1-PieceParkrimpNo-SkiveFittingsCrimpingisthesafest,fastestandmostcommonlyusedmethodofmakingahoseassembly.TheParkercrimpingsystemsensureprecise,leak-freeandtear-proofassemblyofhoseand?tting.ReachingtheexactcrimpingdiameterispossiblewithParkrimpcrimpingtoolsoradjustablecrimpingtools.Whencrimping,itisessentialthathose,?ttingandcrimpingtool(diesmatchprecisely.ForcrimpingdimensionspleasereferourcrimpchartsonpagesEd-1toEd-11.Furthermore,theinsertiondepth,asquarecuthose,correct,burr-freeandcleancrimpingareimportanttoensureacorrectlyformedandleakfreeconnectionofhoseand?tting.UsingtheParKrimphosecrimpersoradjustablecrimpers,the?ttingiscrimpedontothehoseinoneslowandsmoothcrimpingprocedure.Adepthstopwithautomaticfunctionensuressafepositioningofthe?tting.Thisguaranteesthecorrectcrimpingofhydraulichoseassemblies.26,46,48,70,71,73,76,77,78,79,S6series:Pushthehoseallthewayintothecoupling.Placethehosenexttothe?ttingshellandmarktheinsertiondepthorthelengthofthe?ttingontothehose–(lubricatehoseendifnecessary,pushthehoseintothe?ttinguntilthemarkonthehoseisevenwiththeendoftheshell.AnglesettingThedisplacementangleofahoseassemblyisindicatedonlywhentwoelbow?ttingsareassembledinadisplacedway.Theanglealwayshastobeindicatedclockwiselookingfromtheelbow?ttingatthebacktotheoneinthefront.Pleasealsoconsiderthenaturalbendingofthehose.Parkerrepresentativescansupportyouwithtrainingoradvice!Aa-13SafeHoseAssemblyin8StepsTesting(optionalProofPressureTestThistestistypicallycarriedoutoncustomerrequestaccordingtoamethodde?nedbytheISO1402standard.Thetestshouldbedoneatnormalambienttemperaturewithaprooftestbenchusingwateroranothersuitableliquid.Thehoseassemblyshouldbepressurisedforbetween30to60secondsattwicetheworkingpressureofthehoseassembly.Thereshouldbenoleakageorpressuredrop.Acompletetestreportshouldbeprovidedtogetherwiththehoseassemblytothecustomer.Statictestpressuredependingonthehosetypeandapplicationisappliedtothe?nishedhoseassemblyforapre-de?nedperiodoftime.Thetestprocedurecanbedocumentedusingatestloggingunit.ThetestpressureforParkerhydraulichoseassembliesis2timesthevalueofthedynamicoperatingoverpressure.CleaningThehydraulicsystemshavetoreachade?neddegreeofcleanliness.Forthispurposeweusecleaningdeviceswhiche