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The demand for a single crushing and screening unit capable of producing a controlled top size of finished product in closed circuit has led TEREX Pegson to design and manufacture the 4242SR plant.
The 4242SR is based around the acclaimed 428 Trakpactor and comprises a complete crushing, screening and stockpiling unit built onto one tracked chassis.
Suitable for primary and secondary applications in quarrying, contracting and recycling, the 4242SR has outstanding performance characteristics with capacities up to 360 tonnes per hour. Up to four products sizes, depending on the set-up, can be produced and stockpiled. Alternatively, oversize material can be recirculated back to the crusher via an on-board conveyor system to give a guaranteed finished top size.
The unit features a heavy duty vibrating grizzly feeder with two step grizzly, optional underscreen and side conveyor for stockpiling waste material or an additional product. Scalped material can also be fed on to the main product conveyor via a by-pass chute to increase overall capacity. An overband magnetic separator is available for removal of re-bar and steel when used in recycling applications before the crushed material is fed onto a 3.3 x 1.5 mm two deck screen for sizing. To reduce environmental impact, dust suppression sprays are also included as standard.
Our patented access system simplifies screen and conveyor maintenance by allowing the easy separation of the crusher and screen discharge conveyor.
It is fitted with a four bar rotor and two aprons for high reduction performance. An optional third apron or grinding path is also available for addition reduction capability on quarry applications.