Bellows Element for Fuel Pump

Areas of use

  • Non fatigue critical separating diaphragms in high pressure fuel pumps, with a stroke / volume of approx. 200 to 300 mm³ per bellows.

Technical characteristics

  • Non fatigue critical design for movement, pressure pulse, and vibration excitation: >1,000,000,000 load cycles.
  • System pressures of up to 300 bar.
  • Component design, development and validation achieved using expert know how & special test stands
  • Corrosion resistant to all common fuels.
  • Cost effective mass production based on the most modern & efficient manufacturing technologies.
  • Delivered as bellows including end connections or as a bellows only for customer assembly.
  • Bespoke designs ensure optimised functionality, minimised us of space, simplified assembly and competitive cost.
  • High level of technical cleanliness due to clean room production.


Product example

Product example



Witzenmann Slovakia

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