Scirocco - Air Classifier for Fine Products

NETZSCH Ecutec´s Scirocco air classifiers have been developed for the production of fines from 6 -150 μm.

It belongs to the family of turbo classifiers with turbulent airflow, also called centrifugal classifiers. These classifiers achieve a very high yield at a low specific energy consumption. The solid design reflects NETZSCH Ecutec's philosophy of building machines that last a very long time.


For the separation process the product is introduced with the air from the bottom for optimum dispersion of the feed. Where coarser separations are required, it is possible to introduce feed from the top of the classifier and this configuration helps to reduce the energy consumption due to a reduction of the pressure drop.

The Scirocco can be supplied with a ceramic classifier wheel and the body lined with ceramics or polyurethane as wear protection for processing abrasive materials or to prevent iron contamination. The head of this machine is also available for existing Pendular Roller Mills to improve product quality and quantity.


  • Cut point down to d98 < 6 μm
  • Extremely reliable design
  • Low specific energy consumption
  • Low investment
  • Easy and quick maintenance resulting in low maintenance costs
  • For abrasive products: Ceramic rotor and ceramic lining / polyurethane lining


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