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Advanced feed production technology

ANDRITZ extruders provide the latest technology for production of the most demanding extrudates in the aquatic feed and pet food industries.

Extrusion features
  • Starch cooking control
  • Bulk density control
  • Raw material flexibility
  • Nutrient advantages
  • Optimal product uniformity
  • Unique visual appearance

The Expansion Control System ECS controls sinking speed accuracy and efficiency, regardless of formulation, raw material quality, and operator skills. The ECS expansion control system controls the density of the extrudates externally from the extruder. The product density is controlled whatever process parameters are used in the extrusion process.


The Flextex System controls the starch cooking in the extrusion process. The required product density is maintained by means of online control of the SME (specific mechanical energy).