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Maag Automatik GmbH
Ostring 19
63762 Grossostheim

HAK Hot Air Knife

Nozzle cleaning device for reducing deposits

The hot air knife (HAK) is an optional or retrofitting device mounted to the die head of dry cut strand pelletizing systems which efficiently removes melt residues, outgassing remains, and die drools (such as build up of glass fibers) from both the die holes in the die plate as well as from the extruded strands themselves. With the hot air knife, product contamination can be reliably prevented and disruptions to production minimized.


  • Efficient reduction of deposits and fiber residues
  • Available for die head operating widths from 100 mm to 900 mm
  • Increased availability of your production line
  • Reduction in overall production costs - Improved product quality

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