Plastic Pellet Dryer-Cooler-Classifier Keeps Condensation Away


Witte 400 vibrating fluid bed dryer-cooler-classifier removes residual moisture that may condense during packaging by reducing the temperature of plastic pellets from 100 degrees C to 50 degrees C at up to 5,000 lbs/hr. using ambient air.

Integrating drying, cooling, de-dusting and classifying into a single, compact unit, the Witte 400 separates minus 20 mesh “fines” to pass the “hand test”, removes minus 10 mesh chips and then removes “oversize” material, yielding consistently on-spec pellets for clog-free bag filling and packaging.


  • Lowers pellet temperature by 100º C to 50º C at up to 5,000 lb/hr
  • Processing nylons, polyesters, polyurethanes, polystyrene, polyethylene, polypropylene, polyvinyl chloride, and other commodity and engineering resins
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