Russell Finex, Feltham, UK, has introduced the Gated OutletTM which has been designed to ensure that screening of product is achieved more efficiently. The company reports that in some instances, particularly with high-capacity check screening or grading applications, material can be discharged from the mesh before it has time to be fully screened, resulting sometimes in good quality product being ejected prematurely through the oversize discharge outlet. One way to overcome this problem has been to decrease the feed rate, but this reduces the throughput rate. The Russell Gated Outlet has been designed to eliminate the need to reduce feed rate thus ensuring that product is sieved effectively.
The new device operates via a pneumatically controlled gate, which fits neatly inside the oversize discharge outlet to control the flow of material. The gate can be automatically opened and closed providing complete control of product discharge. While the gated outlet is closed the product remains on the mesh to ensure it has been screened fully before opening the discharge gate. The outlet can be applied to the company’s entire range of sieves and separators, and can be easily retrofitted to any existing models. It is available in FDA-approved natural rubber, neoprene or polyurethane to comply with the needs of a wide range of industries including food, pharmaceuticals and chemicals. www.russellfinex.com
 

Russell Gated Outlet system and (right) showing the gate in the inflated/closed position

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