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July 1, 2004

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Self-cleaning gravimetric batch blenders

Guardian Series gravimetric batch blenders have a self-cleaning feature that allows the blender to purge the previous recipe?s resin before entering into a new recipe setup?ideal on lines where a blender must handle frequent recipe changes. The feature is an option on all new Guardian blenders.

Resin is cleared from the weigh hopper and mixing chamber with the push of a button. A timer, configurable through software, sets the purge time depending on the type of material to be purged. The purge is finished when the weigh hopper gate closes, the mixer stops, and the mixing gate closes. Pneumatic solenoids cycle air through purge ports in the weigh hopper and mixing chamber, allowing for both to fully empty of any remaining resin.

Process Control Corp., Atlanta, GA
(770) 449-8810

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