Mann+Hummel is the market leader worldwide for its centrifuge range. Their products provide high performance filtration solutions for partial-flow oil. The Mann+Hummel centrifuges efficiently separate dirt particles and such as soot and particles resulting from abrasion of metal in lube oils in diesel engines. This technology is also suitable and efficient for gearboxes, hydraulic systems and other industrial applications.

Two Mann Centrifuges fitted to an engine

The advantages at a glance:

  • Improved purity of the oil
  • Extended oil service life
  • Longer service intervals
  • Reduced engine wear
  • Preventative engine protection
  • Reduced maintenance costs
  • Lower disposal costs
  • Less engine down-times
  • Maximum availability for vehicles, engines and machines
  • Lower running costs in total
  • Improved combustion process and reduced fuel consumption
  • Supports systems to minimise exhaust emissions (e.g. exhaust gas recirculation EGR)
  • An investment which quickly pays for itself


Oil is pumped into the centrifuge and directed into a hollow spindle from where it is pressed through a cross-hole into the rotor of the centrifuge. When the rotor is full of oil the resulting pressure forces it out through opposite nozzles in the bottom of the rotor.

This cause the nozzle to rotate quickly. The centrifugal force in the rotor causes the dirt particles present to accelerate radially and deposit on the internal wall of the rotor. In the course of operation these deposits form a thick cake.

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Mann Hummel
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