Engine-related
automotive components

Exhaust Expansion Joints are used before, after or between the turbo chargers to compensate for heat expansions in the exhaust manifold or frontpipe area.

• single or multiply bellows ensures a gas-tight solution
• optionally with wire mesh ring as vibration damper
• customised connections
• available in all common connecting diameters

Exhaust expansion elements are bellows that compensate thermal expansion, movements or installation tolerances. They are used in the manifold areas upstream, downstream or between the turbochargers.

• single or multi-layer bellows ensures a gas-tight solution
• optionally with wire mesh ring as vibration damper
• customised connections
• available in all common connecting diameters
• optimally even at high temperatures and pressures

Non-fatigue critical separating diaphragms in high pressure fuel pumps

• non-fatigue critical design for motion, pressure pulse, and vibration excitation: >1,000,000,000 load cycles.
• system pressure of up to 300 bar
• corrosion-resistant against all common fuels
• individual design optimisation in terms of function, installation space, ease of assembly and costs

Metal bellows as highly dynamic seal of piezo elements and pressure sensors against fuel or combustion gases

• non-fatigue critical design for motion, pressure pulse and vibration excitation: >1,000,000,000 load cycles
• pressure pulse of up to 300 bar, static pressure resistance > 700 bar
• special test stands and corresponding know-how available for component development and validation
• individual design optimisation in terms of function, installation space, ease of assembly and costs

Use as highly dynamic, temperature and pressure-resistant seal

• non-fatigue critical design for pressure pulses of 0-200 bar and axial travel of 0-20 µm
• temperature: > 400 °C
• highest technical cleanliness thanks to clean room production