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.


