THE GROUP FLEXIBLE METAL With 24 companies in 19 countries Witzenmann is number 1 in the industry worldwide. ELEMENTS FOR

World leader Witzenmann is a global group specialising in the design and manufacture of flexible TRUCKS, , metal elements. Guided by our vision of "managing flexibility", our company has become renowned as a reliable manufacturer and as the innovative development partner of choice within the industry. Today, Witzenmann offers the widest product range worldwide for the most diverse areas of application. This enables us to offer the correct solutions time and time again. TRANSPORTERS

Witzenmann GmbH

Östliche Karl-Friedrich-Str. 134 75175 Pforzheim Tel. +49 7231 581 - 0 Fax +49 7231 581 - 820 [email protected]

www.witzenmann.de 6220uk/3/04/20/pdf REFERENCES FLEXIBLE METAL ELEMENTS p Trucks/buses/transporters BharatBenz, DAF, , Freightliner, Fuso, Irizar, , MAN, Mercedes Benz, Renault, FOR TRUCKS, BUSES AND SCANIA, , VDL , VOLVO

p Construction equipment TRANSPORTERS Atlas, Bomag, CASE, Caterpillar, Doosan Infracore, Hamm, Hyundai Heavy Industries, JCB, John Deere, Kawasaki Construction Machinery, Kion Group, Komatsu, Liebherr, Linde, New Holland, Putzmeister, Sennebogen, Tadano Faun, Terex, VOLVO CE, Wacker Neuson, Weidemann, Wirtgen On-Engine p Engines Page 4 Caterpillar Inc. (Caterpillar Motoren, Caterpillar Energy Solutions), Cummins, Deutz, Electro-Motive Diesel, Fiat Powertrain, GE Jenbacher, Guascor, Hyundai Heavy Indusries, MAN Energy Solutions, Mitsubishi Heavy Industries, Paccar, Perkins, Rolls Royce Power Systems (MTU & Bergen Engines), STX Engine, Volvo Penta, Wärtsilä, Weichai

p Agricultural equipment CASE IH, CLAAS, Deutz-Fahr, Fendt, John Deere, New Holland, SAME, Steyr

Exhaust system Page 6

Exhaust gas aftertreatment Page 8

Exhaust system Page 6

APPROVALS/CERTIFICATES

IATF 16949

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ON-ENGINE Designs p Integration of diffuser or guiding tube possible p Design of cast bend according to customer specifications Flexible pipe elements are used at the engine to absorb thermal p Stainless steel expansion, vibrations and to compensate assembly tolerances. p Stainless steel casting, cast iron and gray cast iron p With and without guiding tube Depending on the installation situation, the components can be p With and without insulation supplied pre-bent to customer's requirements. This minimises subsequent assembly costs.

Areas of application EGR systems, before and after the turbocharger, charge air, manifold area, return pipes, collector lines. Media: exhaust, fuel, air, oil, water

Technical characteristics p Technically oil and gas-tight p Temperature, pressure and corrosion resistant p Ageing resistant p Compact design for tight installation conditions p Designed for vehicle service life

HYDRA® TURBOCHARGER CONNECTION HYDRA® OIL/EXHAUST RETURN PIPE

Designs Designs p V-end with guiding tubes clamped on both sides p Spatial profile as integrated bend or as bend in the corrugated area p V-end as turned part for holding a seal and clamping of the guiding tubes p Connection by flange, union nut, V-end connection or according to p Counterpart according to customer specification customer specification p Special V-end with profile segments made from solid material p With and without insulation for high clamping forces in high-temperature applications p Spatial routing through p Integrated bend (from own production up to DN 150) p Casting p Bending in corrugated area p Combinations of the above are possible

4 6220uk/3/04/20/pdf 6220uk/3/04/20/pdf 5 EXHAUST HYDRA® STRUCTURE-BORNE NOISE DECOUPLING ELEMENTS Designs p Short, compact metal bellows with external wire mesh SYSTEM p With inner sleeve

Decoupling elements are used in the connection line between the engine and the exhaust gas aftertreatment; these are confi- gured as metal bellows or stripwound hoses. They are used for de- coupling movements of mechanical components, expansion and vibration, as well as for compensating for assembly tolerances. HYDRA® STRIPWOUND HOSE DECOUPLING ELEMENTS Areas of application: p Before and after exhaust gas aftertreatment p Before and after silencer Designs p Corrugated profile Technical characteristics p Interlocked profile p Optimised flow technology p Geometric and technical characteristics as well as the fittings Technical characteristics technology can be adapted to the particular customised installation situation p Sufficiently technically gas-tight, low leakages p Technically gas-tight p Not sensitive to torsion movements p Temperature, pressure, corrosion and aging-resistant

HYDRA® METAL BELLOWS DECOUPLING ELEMENTS HYDRA® PIPE SYSTEMS

Designs Designs p Round, oval p Optionally segment and/or integrated bend from in-house production p With and without inner liner (up to DN 150) p With and without external damping p With and without insulation p Flexible metal element as bellows or stripwound hose

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Within the exhaust gas aftertreatment, metal bellows Flexible metal elements are used in an extremely wide range of are used for absorbing movements and compensating configurations. They are designed to meet the customer's needs for assembly tolerances. and for use in special applications.

Technical characteristics Technical characteristics p Optimised flow technology p Low weight due to thin-walled tubes p Geometric and technical characteristics as well as the fittings p Technically gas-tight technology can be adapted to the particular customised installation p Resistant to diffusion situation p Temperature, pressure and corrosion resistant p Technically gas-tight p Ageing resistant p Temperature, pressure, corrosion and aging-resistant

HYDRA® METAL BELLOWS

Designs p With and without insulation or heat shield p With and without guiding tube for flow guidance p With and without inner liner p Spatial profile according to customer specification

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Areas of application Areas of application

Leak-tight protection system for injection tubes and lines carrying flammable liquids Millimetre Metal bellows as highly dynamic seal of piezo elements against fuel (fuel, engine and hydraulic oil), as well as hose-in-hose-assembly version with ring gap for leakage monitoring Technical characteristics p Durable design for movement, pressure pulses and Technical characteristics vibration excitation: >1,000,000,000 load cycles p Even with large nominal diameters, the flexibility permits adaptation to the particular p Pressure pulses up to 300 bar, static pressure stability > 700 bar pipeline routing p Corrosion resistant against all current fuels p Existing type approvals permit use in maritime applications

HYDRA® METAL HOSE LINE FOR SPECIAL APPLICATIONS HYDRA® HEAT EXCHANGER

Areas of application Areas of application Supply line systems for flammable and volatile media, cooling water pipe, oil line, Heat exchanger in the fuel system compressed air pipe Technical characteristics Designs p High heat exchanger performance with compact design p With and without braiding p Resistant to diffusion and high vacuum tight p Combinations of flexible hose segments and rigid pipe sections made from p Manufactured entirely from stainless steel stainless steel or cast elements according to customer specification p Corrosion and temperature-resistant p Pipe routing optimised with regard to installation space due to use of bent segments p Spatially bent according to customer specification p Combination of rigid and flexible elements

HYDRA® CO2 LINES HYDRA® EXHAUST GAS COLLECTOR

Areas of application Areas of application

Flexible hose lines for CO2 high-pressure air-conditioning systems Exhaust gas collector for complex geometries downstream from multiple turbochargers and on to the customer connection Designs p In the coolant area, completely pre-insulated sheathed pipelines for Designs direct assembly p Completely pre-insulated pipeline for direct assembly at the engine p Components required for technical flow reasons such as diffusers are integrated in the pipe system

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