Automatic Centrifugal Cleaning of Coolants, Oils and other Industrial Fluids without the use of filter media

The automatic sludge discharge is controlled via a timer. During the sludge discharge cycle the machine tool need not be stopped. The dirty liquid is accumulated in the dirty fluid tank 2). The feed pump is switched off, and the rotor is braked until special rotor valves open. Excess process fluid leaves the rotor via these valves in the rotor wall and flows back to the dirty fluid tank.

After a quick dry spinning of the sludge, the rotor is completely stopped. A high torque gear drive scraping mechanism 6) peels the sludge off the rotor wall. The sludge falls through the open rotor bottom into a container 8). After scraping, the feed pump 3) is switched on briefly to rinse sludge remnants from the inside of the rotor. The rotor returns to its nominal speed, and the feed pump is switched on. The dirty fluid cleaning process begins again.

The feed pump’s feed rate is slightly higher than the centrifuge’s nominal capacity thus working down the accumulated dirty liquid within the next few minutes of the processing cycle.

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Typical Process

  • Dirty Water enters the dirty fluid tank of the cleaning unit.
  • The feed pump delivers the liquid into the centrifuge rotor.
  • The centrifugal force causes the solids to be spun out on the rotor’s wall.
  • The clean liquid exits the rotor via a skimmer tube under pressure.
  • The pressure usually is sufficient to transport the liquid into a clean fluid tank.


  • Coolant Recycling for the machine tool and automotive industr
  • Waste Minimization for Vibratory and Other Process Fluids
  • Resource recovery
  • Ease of use


  • Fully automatic grinding oil cleaning
  • Coolant treatment for ceramic and glass applications
  • Special units for special applications
  • Central systems for grinding coolants
  • Separate any kind of fine particle
  • Recycling of vibratory process liquids

For more information about the process, specifications, and applications of the Automatic Centrifugal Cleaning Systems click the button.

Dimensions (in) (LxWxH)
Inflow Height Min (in)
Cleaning Fluid Tank (gals)
Dirty Collection Tank (gals)
Connection (in)
Free Standing
47 x 32 x 102
Not Applicable
Not Applicable
1.25 in 1.00 out
T40-2 Seperate Tanks
Independent Tanks
126 x 58 x 102
3 in 1.25 out
Complete Filter System
110 x 63 x 102
3 in 1.25 out
Free Standing
47 x 32 x 102
Not Applicable
Not Applicable
1.25 in 1.25 out