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ANDRITZ stock preparation systems

Systems made from high-quality, individual fiber preparation components

Integrated stock preparation systems from ANDRITZ

ANDRITZ is one of the leading suppliers of systems for stock preparation, from the entry of pulp into the mill up to the machine headbox. Extensive process and stock preparation system knowledge as well as decades of applications experience allow us to offer a wide range of stock preparation process equipment. In addition, we have the installation, commissioning, and service expertise to add value to your mill over the entire life of the equipment.

Key equipment

Our engineers and specialists help to select and apply the key components for your stock preparation system. From bale and under-machine pulping through screening, cleaning, refining, thickening, deflaking, and fiber recovery – every stock preparation process step is covered.


  • Minimal equipment and storage volume
  • Low energy consumption
  • Effective protection of refiner and deflaker plates
  • Advanced control system
  • Reduced time for grade changes

System integration

When developing components for each process step, our decisions are based on an understanding of how individual pieces of equipment perform most efficiently in the entire stock preparation system. ANDRITZ is able to combine two process steps in a single unit via system integration. We suggest improvements and modifying equipment for each new stock preparation application.

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