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Sturtevant Air Classifier is Ultra High Frequency

Sturtevant Inc. announced the sale of its 5,000th air classifier, more than any other air classifier manufacturer, according to the company. Sturtevant Inc. announced the sale of its 5,000th air classifier, more than any other air classifier manufacturer, according to the company. Air Classifier Number One was sold to Reynolds Tobacco Co. of Winston-Salem, N.C., and shipped on Sept. 18, 1919. This early design still has features recognizable today in Sturtevant’s Whirlwind Air Classifier including an internal fan.

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Great Lakes Aggregates Seeks Wear Life, Increased Throughput

A screen deck at Great Lakes Aggregates screening limestone.Great Lakes Aggregates Inc. produces approximately 1 million tpy of limestone at its Sylvania Minerals Quarry located in South Rockwood, Mich. As the quarry increased the number of saleable products that it produced, it encountered screening challenges along the way such as limited open area, screen breakage and severe blinding.

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