Greystone Classifying Equipment

GreyStone Aggre-Spec sand classifying and re-blending systems from CB Con-Agg allow material producers to modify a natural sand blend into a high quality industry standard specification. Built for years of dependable, operator-friendly service life, GreyStone classifying tanks and system controls re-blend up to 2 standard spec products at one time. Trust your Pennsylvania GreyStone dealer: CB Con-Agg.

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Control Systems

GreyStone knows that in today's market conditions, out-of-spec product can cost producers thousands of dollars per day. That's why GreyStone offers a Windows®- based control system, which allows producers to make an unlimited number of recipes of two products. Aggre-Spec control systems hold to tight product specifications and warn operators of potential out-of-spec product conditions.

Stationary Classifiers

The GreyStone stationary Aggre-Spec product line from CB Con-Agg includes 10 classifier models ranging in size from 8 ft × 20 ft to 12 ft × 48 ft. Stationary structures offer from 6 to 11 classifying stations with 3 cells, capable of producing up to 3 products at one time.

Semi-Portable Classifiers

GreyStone semi-portable Aggre-Spec classifying systems from CB Con-Agg feature a modular, low-profile construction and stack-up design for quick installation. The line includes 18 classifier models ranging in size from 8 ft × 24 ft to 12 ft × 48 ft. Semi-portable structures offer from 7 to 11 classifying stations and produce up to 820 TPH.

Portable Classifiers

GreyStone fully portable Aggre-Spec classifying systems from CB Con-Agg feature a low-profile design for quick transport and installation. The line includes 8 classifier models ranging in size from 8 ft x 24 ft to 10 ft x 40 ft. Portable structures offer from 7 to 11 classifying stations and produce up to 350 TPH.