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The L. B. Bohle Maschinen + Verfahren GmbH product range of proven fluid bed systems extends from the smallest Bohle Fluid Bed System BFS 3 through to the “flag ship“ BFS 480. At this year’s ACHEMA, the granulation and coating specialists will be presenting the further development of the “bestseller” in the medium range – the BFS 240.
Like the small and big systems of the BFS series, the optimised granulation and drying system offer numerous advantages and various options in pharmaceutical production. Thanks to the tangential spray system, the BFS 240 is a highly efficient machine. In addition to highly efficient drying, the system is equipped with eight tangential spray nozzles and is suitable for granulation and pellet-coating. This decisive advantage eliminates the need of retrofitting the system when changing from granulation to coating. Through the tangential-spray technology, this new processing design is much more robust than traditional Wurster technology. Moreover, fewer components ensure long service life.
In addition to the reduced overall height and the tangential-spray technology, exterior access to the spray nozzles is ensured at any time during granulation and coating. This allows the operator to interfere quickly if one of the nozzles is not working correctly. The special spray nozzles in the BFS 240 have been designed for direct injection to the product bed near the distributor bottom. This prevents caking at the spray head and enables homogenous and fine spraying of the product. The airflow also keeps the product at a distance to the nozzle exit, allowing optimum fluid distributioon.