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Coperion K-Tron Offers Twin-Screw Feeder For Powder Additives

Together with the ProFlow bulk solids activator the new twin screw feeder is a solution for feeding powder additives in plastics applications.

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Twin screw feeder
A ProRate Plus-MT twin-screw feeder is being added to Coperion K-Tron's product line.Image courtesy of Coperion K-Tron LLC

Coperion K-Tron announces the expansion of its original ProRate Plus feeder portfolio with more solutions for feeding powders. A ProRate Plus-MT twin-screw feeder is being added to the product line. Together with the recently introduced ProFlow bulk solids activator, the new twin-screw feeder is an efficient solution for feeding powder additives in plastics applications.

The original ProRate Plus continuous gravimetric feeder line featured three single screw feeders that are ideal for the feeding of pellets, granules, and other free-flowing bulk materials in secondary plastics applications.

For more difficult-to-handle materials, Coperion K-Tron is expanding the ProRate Plus product line with the new twin-screw feeder, the Plus-MT. This gravimetric feeder with its horizontal agitator ensures that the two screws are always optimally filled with material. The twin screw technology also has the advantage of reducing pulsations and the screws have a self-cleaning effect. Twin-screw feeders are ideal for difficult-to-handle powder additives such as talc, calcium carbonate, or carbon black. The steep design of the hopper walls allows poorly flowing bulk solids to be fed reliably without an additional vertical agitator. Should material bridging or ratholes still occur, one or more ProFlow bulk solids activators can be mounted on the hopper to promote material flow.

The new ProRate Plus-MT twin screw feeder can handle throughputs from 1.4 to 63.6 cu ft/hr, depending on bulk material characteristics. Together with the new ProFlow solution, the scope of the original ProRate Plus single-screw feeders has been expanded to include moderate flowing powders and flakes. The solution is available for all four models and can be installed on new equipment or as a “mounting kit” on existing feeders.

Coperion K-Tron LLC, Niederlenz, Switzerland +41 62 885 7171 www.coperion.com

About the Author(s)

Powder Bulk Solids Staff

Established in 1983, Powder & Bulk Solids (PBS) serves industries that process, handle, and package dry particulate matter, including the food, chemical, and pharmaceutical markets.

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