With24companiesin19countriesWitzenmannisnumber1intheindustryworldwide.

THE GROUP

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WitzenmannGmbHÖstlicheKarl-Friedrich-Str.13475175PforzheimTel.+497231581-0Fax+497231581-820wi@witzenmann.comwww.witzenmann.de

FLEXIBLE METAL ELEMENTS FOR TRUCKS, BUSES, TRANSPORTERS

WorldleaderWitzenmannisaglobalgroupspecialisinginthedesignandmanufactureofflexiblemetalelements.Guidedbyourvisionof"managingflexibility",ourcompanyhasbecomerenownedasareliablemanufacturerandastheinnovativedevelopmentpartnerofchoicewithintheindustry.Today,Witzenmannoffersthewidestproductrangeworldwideforthemostdiverseareasofapplication.Thisenablesustoofferthecorrectsolutionstimeandtimeagain.

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REFERENCES

p Trucks/buses/transporters BharatBenz,DAF,Evobus,Freightliner,Fuso,Irizar,IVECO,MAN,MercedesBenz,Renault,

SCANIA,VanHool,VDLBus,VOLVO

p Constructionequipment Atlas,Bomag,CASE,Caterpillar,DoosanInfracore,Hamm,HyundaiHeavyIndustries,

JCB,JohnDeere,KawasakiConstructionMachinery,KionGroup,Komatsu,Liebherr,Linde,NewHolland,Putzmeister,Sennebogen,TadanoFaun,Terex,VOLVOCE,WackerNeuson,Weidemann,Wirtgen

p Engines CaterpillarInc.(CaterpillarMotoren,CaterpillarEnergySolutions),Cummins,Deutz,

Electro-MotiveDiesel,FiatPowertrain,GEJenbacher,Guascor,HyundaiHeavyIndusries,MANEnergySolutions,MitsubishiHeavyIndustries,Paccar,Perkins,RollsRoycePowerSystems(MTU&BergenEngines),STXEngine,VolvoPenta,Wärtsilä,Weichai

p Agriculturalequipment CASEIH,CLAAS,Deutz-Fahr,Fendt,JohnDeere,NewHolland,SAME,Steyr

FLEXIBLE METAL ELEMENTS FOR TRUCKS, BUSES AND TRANSPORTERS

On-EnginePage4

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APPROVALS/CERTIFICATES

IATF 16949

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HYDRA® EXPANSION ELEMENTS

Designsp IntegrationofdiffuserorguidingtubepossiblepDesignofcastbendaccordingtocustomerspecificationspStainlesssteelp Stainlesssteelcasting,castironandgraycastironp Withandwithoutguidingtubep Withandwithoutinsulation

Flexiblepipeelementsareusedattheenginetoabsorbthermalexpansion,vibrationsandtocompensateassemblytolerances.Dependingontheinstallationsituation,thecomponentscanbesuppliedpre-benttocustomer'srequirements.Thisminimisessubsequentassemblycosts.

ON-ENGINE

AreasofapplicationEGRsystems,beforeandaftertheturbocharger,chargeair,manifoldarea,returnpipes,collectorlines.Media:exhaust,fuel,air,oil,water

TechnicalcharacteristicspTechnicallyoilandgas-tightpTemperature,pressureandcorrosionresistantp Ageingresistantp Compactdesignfortightinstallationconditionsp Designedforvehicleservicelife

HYDRA® OIL/EXHAUST RETURN PIPE

Designsp Spatialprofileasintegratedbendorasbendinthecorrugatedareap Connectionbyflange,unionnut,V-endconnectionoraccordingto customerspecificationp Withandwithoutinsulation

HYDRA® TURBOCHARGER CONNECTION

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

Areasofapplication:p Beforeandafterexhaustgasaftertreatmentp Beforeandaftersilencer

Technicalcharacteristicsp 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

Technicalcharacteristicsp Sufficientlytechnicallygas-tight,lowleakagesp Notsensitivetotorsionmovements

HYDRA® STRUCTURE-BORNE NOISE DECOUPLING ELEMENTS

Designsp Short,compactmetalbellowswithexternalwiremeshp Withinnersleeve

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Flexiblemetalelementsareusedinanextremelywiderangeofconfigurations.Theyaredesignedtomeetthecustomer'sneedsandforuseinspecialapplications.

SPECIAL APPLICATIONS

Technicalcharacteristicsp Lowweightduetothin-walledtubespTechnicallygas-tightp ResistanttodiffusionpTemperature,pressureandcorrosionresistantp Ageingresistant

Withintheexhaustgasaftertreatment,metalbellowsareusedforabsorbingmovementsandcompensatingforassemblytolerances.

EXHAUST GAS AFTERTREATMENT

Technicalcharacteristicsp 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

AreasofapplicationLeak-tightprotectionsystemforinjectiontubesandlinescarryingflammableliquids(fuel,engineandhydraulicoil),aswellashose-in-hose-assemblyversionwithringgapforleakagemonitoring

TechnicalcharacteristicspEvenwithlargenominaldiameters,theflexibilitypermitsadaptationtotheparticular

pipelineroutingpExistingtypeapprovalspermituseinmaritimeapplications

AreasofapplicationSupplylinesystemsforflammableandvolatilemedia,coolingwaterpipe,oilline,compressedairpipe

Designsp Withandwithoutbraidingp Combinationsofflexiblehosesegmentsandrigidpipesectionsmadefrom stainlesssteelorcastelementsaccordingtocustomerspecificationp Piperoutingoptimisedwithregardtoinstallationspaceduetouseof bentsegmentsp Spatiallybentaccordingtocustomerspecificationp Combinationofrigidandflexibleelements

AreasofapplicationHeatexchangerinthefuelsystem

Technicalcharacteristicsp Highheatexchangerperformancewithcompactdesignp Resistanttodiffusionandhighvacuumtightp Manufacturedentirelyfromstainlesssteelp Corrosionandtemperature-resistant

HYDRA® HEAT EXCHANGER

HYDRA® PIEZO INJECTORS

AreasofapplicationMetalbellowsashighlydynamicsealofpiezoelementsagainstfuel

TechnicalcharacteristicspDurabledesignformovement,pressurepulsesand vibrationexcitation:>1,000,000,000loadcyclespPressurepulsesupto300bar,staticpressurestability>700barpCorrosionresistantagainstallcurrentfuels

Millimetre

AreasofapplicationFlexiblehoselinesforCO2high-pressureair-conditioningsystems

Designsp Inthecoolantarea,completelypre-insulatedsheathedpipelinesfor directassembly

HYDRA® EXHAUST GAS COLLECTOR

AreasofapplicationExhaustgascollectorforcomplexgeometriesdownstreamfrommultipleturbochargersandontothecustomerconnection

Designsp Completelypre-insulatedpipelinefordirectassemblyattheenginep Componentsrequiredfortechnicalflowreasonssuchasdiffusersareintegratedin thepipesystem

HYDRA® CO2 LINES