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