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Annular Gap Expander

For animal-friendly feed

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
  • Granular 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.


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