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Magnetic FilterSelf-cleaning magnetic filter SMF

Never get your hands dirty again: Smart cleaning thanks to semi-automatic cleaning system.

Self-cleaning magnetic filter SMF
Magnetfilter kann halbautomatisch abgereinigt werden

What can the SMF Magnetic Filter do?

The cleaning process on this model is particularly practical. Unlike the ASMF, it is not fully automatic, but manual cleaning is very easy and convenient: only a few levers need to be operated. The clear advantage here is that the filter no longer needs to be opened. This saves you from dirty hands and at the same time minimizes the effort required for cleaning.

The Friess Magnetic Filter SMF can reliably attract ferritic dirt particles down to a size of less than 1 µm and thus remove them from the liquid without any problems. This is aided by the three or five concentrically arranged Magnetic Filter rods which, thanks to neodymium magnets, generate a magnetic field that effortlessly attracts particles.

This type of filtration is particularly popular because no additional consumables and only a minimal supply of energy are required. Our customers therefore have virtually no additional operating costs.

Technical Data


Max. flow rate: 150 l/min (water)
Max. flow rate: 75 l/min (oil)
Temperature range: 5 °C to 60 °C
Dirt holding capacity: approx. 2 kg
Max. Operating pressure: 10 bar
Connection: 1 ”


Max. flow rate: 300 l/min (water)
Max. flow rate: 150 l/min (oil)
Temperature range: 5 °C to 60 °C
Dirt holding capacity: approx. 5 kg
Max. Operating pressure: 10 bar
Connection: 1 1/2″

  • Remove particles down to a size of 1 µm.
  • You do not need any filter aids or additional energy.
  • Don’t get your hands dirty: The Magnetic Filter is cleaned almost by itself – just operate a few levers.
  • Our magnetic filtration increases the service life of cooling lubricants, washing water, grinding oil and various other liquids.
  • Improve the surface quality of grinding processes.
Typical applications
  • Filtration of cooling lubricants
  • Grinding
  • Honing
  • Lapping
  • Spark Erosion
  • Water jet cutting
  • Washing water

Application examples

Magnetic Filter Cleans Coolant in a Grinding Machine

Friess Magnetic Filter used to Optimise Coolant in Grinding Process

Read more

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