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With24companiesin19countriesWitzenmannisnumber1intheindustryworldwide.
THE GROUP
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uk/2
/08/
18/1
WitzenmannpGmbHÖstlicheKarl-Friedrich-Str.13475175PforzheimTel.+497231581-0Fax+497231581-820wi@witzenmann.comwww.witzenmann.de
FLEXIBLE METAL ELEMENTS FOR TRUCKS, BUSES, TRANSPORTERS
WorldpleaderWitzenmannisaglobalgroupspecialisinginthedesignandmanufactureofflexiblemetalelements.Guidedbyourvisionof"managingflexibility",ourcompanyhasbecomerenownedasareliablemanufacturerandastheinnovativedevelopmentpartnerofchoicewithintheindustry.Today,Witzenmannoffersthewidestproductrangeworldwideforthemostdiverseareasofapplication.Thisenablesustoofferthecorrectsolutionstimeandtimeagain.
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REFERENCES
pp Trucks/buses/transporters BharatBenz,DAF,Evobus,Freightliner,Fuso,Irizar,IVECO,MAN,MercedesBenz,Renault,
SCANIA,VanHool,VDLBus,VOLVO
pp Constructionpequipment Atlas,Bomag,CASE,Caterpillar,DoosanInfracore,Hamm,HyundaiHeavyIndustries,
JCB,JohnDeere,KawasakiConstructionMachinery,KionGroup,Komatsu,Liebherr,Linde,NewHolland,Putzmeister,Sennebogen,TadanoFaun,Terex,VOLVOCE,WackerNeuson,Weidemann,Wirtgen
pp Engines CaterpillarInc.(CaterpillarMotoren,CaterpillarEnergySolutions),Cummins,Deutz,
Electro-MotiveDiesel,FiatPowertrain,GEJenbacher,Guascor,HyundaiHeavyIndusries,MANEnergySolutions,MitsubishiHeavyIndustries,Paccar,Perkins,RollsRoycePowerSystems(MTU&BergenEngines),STXEngine,VolvoPenta,Wärtsilä,Weichai
pp Agriculturalpequipment CASEIH,CLAAS,Deutz-Fahr,Fendt,JohnDeere,NewHolland,SAME,Steyr
FLEXIBLE METAL ELEMENTS FOR TRUCKS, BUSES AND TRANSPORTERS
On-EnginePage4
ExhaustpgasaftertreatmentPage8
ExhaustpsystempPage6
APPROVALS/CERTIFICATES
IATF 16949
ExhaustpsystempPage6
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HYDRA® EXPANSION ELEMENTS
Designsp IntegrationofdiffuserorguidingtubepossiblepDesignofcastbendaccordingtocustomerspecificationspStainlesssteelp Stainlesssteelcasting,castironandgraycastironp Withandwithoutguidingtubep Withandwithoutinsulation
Flexiblepipeelementsareusedattheenginetoabsorbthermalexpansion,vibrationsandtocompensateassemblytolerances.Dependingontheinstallationsituation,thecomponentscanbesuppliedpre-benttocustomer'srequirements.Thisminimisessubsequentassemblycosts.
ON-ENGINE
AreaspofpapplicationEGRsystems,beforeandaftertheturbocharger,chargeair,manifoldarea,returnpipes,collectorlines.Media:exhaust,fuel,air,oil,water
TechnicalpcharacteristicspTechnicallyoilandgas-tightpTemperature,pressureandcorrosionresistantp Ageingresistantp Compactdesignfortightinstallationconditionsp Designedforvehicleservicelife
HYDRA® OIL/EXHAUST RETURN PIPE
Designsp Spatialprofileasintegratedbendorasbendinthecorrugatedareap Connectionbyflange,unionnut,V-endconnectionoraccordingto customerspecificationp Withandwithoutinsulation
HYDRA® TURBOCHARGER CONNECTION
ppppppppp
Designsp V-endwithguidingtubesclampedonbothsidesp V-endasturnedpartforholdingasealandclampingoftheguidingtubesp Counterpartaccordingtocustomerspecificationp SpecialV-endwithprofilesegmentsmadefromsolidmaterial forhighclampingforcesinhigh-temperatureapplicationsp Spatialroutingthrough pIntegratedbend(fromownproductionuptoDN150) pCasting pBendingincorrugatedarea pCombinationsoftheabovearepossible
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Decouplingelementsareusedintheconnectionlinebetweentheengineandtheexhaustgasaftertreatment;theseareconfi-guredasmetalbellowsorstripwoundhoses.Theyareusedforde-couplingmovementsofmechanicalcomponents,expansionandvibration,aswellasforcompensatingforassemblytolerances.
EXHAUSTSYSTEM
Areaspofpapplication:pp Beforeandafterexhaustgasaftertreatmentp Beforeandaftersilencer
Technicalpcharacteristicsp OptimisedflowtechnologypGeometricandtechnicalcharacteristicsaswellasthefittings
technologycanbeadaptedtotheparticularcustomisedinstallationsituationpTechnicallygas-tightpTemperature,pressure,corrosionandaging-resistant
HYDRA® METAL BELLOWS DECOUPLING ELEMENTS
Designsp Round,ovalp Withandwithoutinnerlinerp Withandwithoutexternaldamping
HYDRA® PIPE SYSTEMS
Designsp Optionallysegmentand/orintegratedbendfromin-houseproduction (uptoDN150)p Withandwithoutinsulationp Flexiblemetalelementasbellowsorstripwoundhose
HYDRA® STRIPWOUND HOSE DECOUPLING ELEMENTS
Designsp Corrugatedprofilep Interlockedprofile
Technicalpcharacteristicspp Sufficientlytechnicallygas-tight,lowleakagesp Notsensitivetotorsionmovements
HYDRA® STRUCTURE-BORNE NOISE DECOUPLING ELEMENTS
Designsp Short,compactmetalbellowswithexternalwiremeshp Withinnersleeve
p
p
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Flexiblemetalelementsareusedinanextremelywiderangeofconfigurations.Theyaredesignedtomeetthecustomer'sneedsandforuseinspecialapplications.
SPECIAL APPLICATIONS
Technicalpcharacteristicsp Lowweightduetothin-walledtubespTechnicallygas-tightp ResistanttodiffusionpTemperature,pressureandcorrosionresistantp Ageingresistant
Withintheexhaustgasaftertreatment,metalbellowsareusedforabsorbingmovementsandcompensatingforassemblytolerances.
EXHAUST GAS AFTERTREATMENT
Technicalpcharacteristicsp OptimisedflowtechnologypGeometricandtechnicalcharacteristicsaswellasthefittings
technologycanbeadaptedtotheparticularcustomisedinstallationsituation
pTechnicallygas-tightpTemperature,pressure,corrosionandaging-resistant
HYDRA® METAL BELLOWS
Designsp Withandwithoutinsulationorheatshieldp Withandwithoutguidingtubeforflowguidancep Withandwithoutinnerlinerp Spatialprofileaccordingtocustomerspecification
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HYDRA® PRESSURE TUBE CASING
HYDRA® METAL HOSE LINE FOR SPECIAL APPLICATIONS
AreaspofpapplicationLeak-tightprotectionsystemforinjectiontubesandlinescarryingflammableliquids(fuel,engineandhydraulicoil),aswellashose-in-hose-assemblyversionwithringgapforleakagemonitoring
TechnicalpcharacteristicspEvenwithlargenominaldiameters,theflexibilitypermitsadaptationtotheparticular
pipelineroutingpExistingtypeapprovalspermituseinmaritimeapplications
p
AreaspofpapplicationpSupplylinesystemsforflammableandvolatilemedia,coolingwaterpipe,oilline,compressedairpipe
Designspp Withandwithoutbraidingp Combinationsofflexiblehosesegmentsandrigidpipesectionsmadefrom stainlesssteelorcastelementsaccordingtocustomerspecificationp Piperoutingoptimisedwithregardtoinstallationspaceduetouseof bentsegmentsp Spatiallybentaccordingtocustomerspecificationp Combinationofrigidandflexibleelements
AreaspofpapplicationHeatexchangerinthefuelsystem
Technicalpcharacteristicspp Highheatexchangerperformancewithcompactdesignp Resistanttodiffusionandhighvacuumtightp Manufacturedentirelyfromstainlesssteelp Corrosionandtemperature-resistant
HYDRA® HEAT EXCHANGER
HYDRA® PIEZO INJECTORS
AreaspofpapplicationMetalbellowsashighlydynamicsealofpiezoelementsagainstfuel
TechnicalpcharacteristicspDurabledesignformovement,pressurepulsesand vibrationexcitation:>1,000,000,000loadcyclespPressurepulsesupto300bar,staticpressurestability>700barpCorrosionresistantagainstallcurrentfuels
Millimetre
p AreaspofpapplicationFlexiblehoselinesforCO2high-pressureair-conditioningsystems
Designspp Inthecoolantarea,completelypre-insulatedsheathedpipelinesfor directassembly
HYDRA® EXHAUST GAS COLLECTOR
pp AreaspofpapplicationpExhaustgascollectorforcomplexgeometriesdownstreamfrommultipleturbochargersandontothecustomerconnection
Designspp Completelypre-insulatedpipelinefordirectassemblyattheenginep Componentsrequiredfortechnicalflowreasonssuchasdiffusersareintegratedin thepipesystem
HYDRA® CO2 LINES
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