Kason Exhibit at 2012 Powder Show Tour the Kason Corporation booth at the 2012 Powder Show to see a wide selection of screening and processing equipment. Featured equipment includes the Vibrobed® fluid bed processor, screener with bag dump station, Centri-Sifter® centrifugal screener and Mini Centri-Sifter, Vibroscreen® sanitary batch sifter, and Vibro-Air™ Size/Density Separator.