Kahl-Gruppe

Amandus Kahl

Mechanical engineering for the future - Benefit from our competence in recycling and wood pelleting plants, extruders, hydrothermal conditioning plants and many more.

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KAHL Annular Gap Expander

For a Feed that Meets the Animals' Needs
Outstanding product properties have made the KAHL annular gap expander a success. EXPANDAT® ensures an improved feed conversion and excels by its high quality:

  • Hygienic, biological, structurised, homogeneous
  • Low dust content
  • Granuar structure that meets the animals' needs
  • Excellent flow properties
  • Quickly soluble in water
  • Free from pathogenic germs and fungi
Quality by pressure
The secret of the KAHL annular gap expander lies in the rapid pressure build-up in the mixing tube. For about five seconds, a temperature of 90 to 140 °C is reached.  The pressure drops immediately at the outlet, the material expands, and water evaporates.

The KAHL annular gap expander is available in six sizes. Thanks to our sophisticated automation concept ESEP, you can tap the full potential of the expander. The electric control system has been developed by KAHL.



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