Until now, powders with uniform-sized particles were achievable only in the large nozzle towers. NARROWSPAN™, however, achieves this uniformity, creating a largely dust free, easily wettable product with a high flowability, from a rotary atomizer wheel. This reduces costs and allows the use of smaller buildings to house the plant equipment. The NARROWSPAN™ is suitable for new-build projects, or for retrofit to improve the efficiency of existing production plants.

  • The NARROWSPAN™ produces a low-dust product, which is important for explosion safety, personal health, and the environment.
  • The uniform particle size distribution means a controlled functionality of the final product.
  • A high bulk density can be achieved together with a free flowing product with large particle size.
  • The product does not break into fines, compared with agglomerates that are generally more brittle.
  • NARROWSPAN™ products are easier to disperse and wet in their respective solvents.
  • Large, uniform, free flowing particles allow easy handling and packing.
  • Variation in particle size from fine to coarse is possible while running the plant by controlling the rotation speed of the atomizer wheel.
  • Large particles can be produced in smaller diameter chambers.
  • Rebuilding of existing plants allows for the manufacture of added value products.
  • Low building height and hence investment costs, compared to nozzle towers.


These features are all proven in tests and have been working in industrial applications for the last decade.

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