Equipment Type

Extec Triple Deck Doublescreen

Designed for the aggregate producer who requires large throughput, true mobility, and four clean gradings, Extec has developed the S-7 based around the Doublescreen concept, but with a triple deck screen arrangement. With a Triple deck Doublescreen Box, the screener can incorporate such mould breaking features as independent screen-box slope; independent screen-box vibration; independent screen...

March 15, 2008

Designed for the aggregate producer who requires large throughput, true mobility, and four clean gradings, Extec has developed the S-7 based around the Doublescreen concept, but with a triple deck screen arrangement. With a Triple deck Doublescreen Box, the screener can incorporate such mould breaking features as independent screen-box slope; independent screen-box vibration; independent screen-box amplitude; and independent screen-box speed.

The box allows for individual changes to the drive, angling, vibration and meshes of each screen box as two 10 foot by 5 foot triple deck screen boxes offer a high level of separation on most materials, at very high rates of production.

The screen boxespossess the same advantages asfound on theS-Series, but the S-7 has the added benefit of being able to adjust the amplitude of the box depending on what type of screening is required.This can be changed on either of the two boxes providing the option to run the primary at higher amplitude to the secondary, or vice versa.

The S-7 possesses extended stockpiling conveyors, with faster running belts, to enable even greater productivity. In order to support the longer conveyors, and cope with increasingly strenuous demands aggregate producers now place on plants, the unit utilizes a purpose-built chassis designed around the four-way split design, which, together with longer tracks, ensures that it provides excellent stability and durability.

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