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Witte - Model 400 -Vibrating Dryer/Cooler/Classifier for Plastic Pellets
The innovative Witte 400 combines the 200 or 700 series vibrating plastic pellet classifier with the vibrating fluid bed dryer/cooler to deliver drying, cooling and classifying in one, self-contained unit. This plastics processing system is capable of meeting the following objectives:
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- Air Classification – almost total removal of any minus 20 mesh “fines” including those statically held, plus the removal of any “ribbons,” “streamers” or “angel hairs”
- Cooling – plastic pellets can be quickly cooled from 220 degrees F to 120 degrees using 90 degree ambient air.
- Surface Drying – residual surface moisture up to 2% can be removed using ambient air if the pellet temperature is 200 degrees F or higher. Lower pellet temperatures may require heat. Note: These units are capable of drying nylon down to 0.05% immediately after pelletizing.
- Chip Removal – any remaining larger “fines” would be removed using a wire mesh screen.
- Oversize Removal – our traditional, perforated deck would, finally, remove any “oversize.”
In addition, Witte offers a combined 400 series Dewaterer/Dryer/Cooler/Classifier in a single unit. This is ideal for friable, glass filled resins or products that cannot be run on a spin dryer.
Ideal For:
- Nylon
- Polyethylene
- Polystyrene
- Polypropylene
- Polyvinyl chloride
- Polyesters
- Polyurethanes
- Friable, glass-filled and micropellets
- and other plastic resins
The Witte 400 integrated plastic pellet dryer classifier is guaranteed to work as specified