With 24 companies in 19 countries, Witzenmann is the global number 1 in the industry.

THE GROUP

World leaderWitzenmann is a global group of companies that specialises in flexible metal elements. Our company is renowned as an innovative development partner and reliable manufacturer within the industry thanks to our vision of "managing flexibility". Today, Witzenmann offers the widest range of products for the most diverse areas of applications. This enables us to offer the best solutions time and time again.

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Witzenmann GmbH Östliche Karl-Friedrich-Str. 13475175 PforzheimTel. +49 - 7231 581 - 0Fax +49 - 7231 581 - 820wi@witzenmann.comwww.witzenmann.de

FLEXIBLE ELEMENTS FOR DIESEL AND GAS ENGINES

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HYDRA® HOSE ASSEMBLIES

Pressure-tight corrugated hoses

SUPPLY LINESIn most cases, flexible metal hoses are used for the supply line to the engine. Their high flexibility makes them easy to assemble, they absorb movements and vibration, and at the same time they are pressure resistant and media-tight. An extremely wide range of fittings makes HYDRA® flexible metal hoses suitable for a large number of applications.

Areas of applicationGas supply lines; compressed air pipe, cooling water, lubricating oil line

Technical characteristicsp Resistant to diffusionpTechnically oil and gas-tight pTemperature, pressure and corrosion resistantp Aging resistant

Pressure tube casing Hose assemblies for pneumatic and fluid systems

FLEXIBLE METAL ELEMENTS FOR DIESEL AND GAS ENGINES

Supply linesPage 3

On-EnginePage 4

APPROVALS/CERTIFICATES

REFERENCES p Caterpillar Inc. (Caterpillar Motoren, Caterpillar Energy Solutions)

p Cummins p Electro-Motive Diesel p GE Jenbacher p Guascor p Hyundai Heavy Indusries

p MAN Energy Solutions p Mitsubishi Heavy Industries p Rolls Royce Power Systems (MTU & Bergen Engines)

p STX Engine p Wärtsilä p Weichai

IATF 16949

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Flexible pipe elements are used on the engine to absorb movements, thermal expansion, vibration and to compensate assembly tolerances. Depending on the installation situation, the components are supplied pre-shaped to customised requirements. This minimises subsequent assembly costs. The compact design permits installation under constricted conditions.

ON-ENGINE

Areas of applicationExhaust gas area: manifold, bypass, before and after turbo charger, charge air, gas supply lines, exhaust gas return and bypass pipes, fuel lines

Technical characteristicsp Optimised flow technologypTechnically gas-tight due to metal bellowspTemperature, pressure and corrosion resistantp Aging resistant

HYDRA® CHARGE AIR PIPES

Cast iron with bellows Stainless steel investment casting with bellows

Special expansion elements

MEDIA SUPPLY LINES

Flexible metal hose as supply line

Expansion joint

2-in-1 gas supply line Fuel line

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Hot exhaust gas return Cold exhaust gas return

Bypass pipe Turbo charger interstage

EXHAUST GAS BEHIND TURBO CHARGER

Exhaust gas system Exhaust gas expansion joint Universal expansion joint

HYDRA® RETURN PIPES

Oil return pipe with curved pipe

Oil return pipe with curved hose

Oil return pipe with curved bellows

EXHAUST GAS IN FRONT OF TURBO CHARGER

Expansion joints Exhaust gas manifold Pipe system