Equipment Type

GreyStone New Self-Erecting Screen Tower

GreyStone, Inc., Columbus, NE, now offers a fully portable Self-Erecting Screen Tower as an alternative to permanent and stackable screen ...

September 22, 2008

GreyStone, Inc., Columbus, NE, now offers a fully portable Self-Erecting Screen Tower as an alternative to permanent and stackable screen supports for sand, gravel and aggregate producers that move classifying equipment from site to site at least once per year.

It uses a winch-driven system with pulleys to move the tower up and down, takes less than two days to tear down and set up and can easily be moved via semi-tractor. Custom screen sizes are available up to 6- by 20-feet; heights range from less than 14 feet in the low position up to a maximum height customized to each specific operation. It is constructed of ASTM A36 certified structural steel with walkways along both sides for safety.

The new tower can act as a primary screen for operations that screen 6-inch minus material or as a secondary or tertiary screen for plants that screen larger material. Fed by either a dredge or conveyor, it feeds material 3/16-inch minus into a classifying tank, uses a horizontal, vibrating three-deck wet screen, and stockpiles up to three material sizes from the three decks for further processing.

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