SWEDESBORO, NJ — The Comber Pressofiltro PF series Nutsche filter-dryer is a versatile unit designed for multipurpose pharmaceutical & chemical production facilities, to meet the demanding requirements for filtration-separation & drying used in these manufacturing applications, these units are designed to meet a wide range of stringent cGMP and FDA guidelines.
These units are built with CIP systems to achieve good cleaning and to permit optimal inspection after the cleaning process; all product contact wetted surfaces are designed without dead areas, with smooth transitions of internals and without any bolted connections. For good access to the filter internals for cleaning and inspection purposes the filters are equipped with an opening filter base. The overall attention to design details allows for simplified validation of the units.
The agitator is supported from the top, with the agitator drive, the bearings and the shaft seal are installed externally. Shaft sealing is with a double mechanical seal and a convoluted bellows. The agitator arms with specially designed bottom teeth smooth and press the cake when rotated counterclockwise, and mix and agitate the cake when rotated clockwise. Simultaneous rotational and vertical agitator motions result in a very efficient and even mixing of the entire product mass for mixing and drying. The agitator arms are S-shaped for improved product discharge.
All product wetted surfaces are heated to obtain the largest possible heat exchange area for short drying times and a low attainable final moisture levels.
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