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Magnetic Filter Self-cleaning magnetic filter ASMF

The fully automated solution from Friess: Strong magnetic pull and designed for a flow rate of up to 300 l/min.

Reinigung auf Knopfdruck dank vollautomatischem Magnetfilter
Magnetfilter kann halbautomatisch abgereinigt werden

Practical thanks to self-cleaning functionality.

The Friess Magnetic Filter ASMF not only removes iron, steel and stainless steel particles from all kinds of process fluids, but can also clean itself. As a fully automated system, it therefore proves particularly useful at all locations where few personnel can be deployed.

As a Magnetic Filter, it is designed to clean liquids of ferritic dirt particles in particular. These can be particularly small, in some cases down to less than 1 µm, and can be reliably attracted thanks to the magnet. For this purpose, the magnetic filter rods with their neodymium magnets inside create a strong magnetic field that effortlessly attracts the particles. The ASMF Magnetic Filter is equipped with three or five concentrically arranged magnetic filter rods.

The process is particularly popular because the Magnetic Filters require no additional consumables and only a minimal supply of energy. Virtually no further operating costs accrue.

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″

  • Innovative process from Friess that removes the smallest particles thanks to powerful magnets.
  • You do not need any filter aids or additional energy.
  • Fully automated cleaning: The Friess Magnetic Filter ASMF cleans itself.
  • Use Friess magnetic filtration to increase the service life of various process fluids.
  • Improve the surface quality of grinding processes.
Typical applications
  • Filtration of cooling lubricants
  • Grinding
  • Honing
  • Lapping
  • Spark Erosion
  • Water jet cutting
  • Washing water

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