Double-Entry Drum Screens

Double entry drum screens are perfect for installation on large volume raw water intakes. They effectively remove floating and suspended solids from the intake water, and protects pumps, heat exchangers and other vital equipment. These drum screens may be installed either as a single unit or as part of a two or three stage system.

 

The double entry drum screens consist of a central steel shaft attached with a cast iron hub to which a series of radial arms are or spokes are fitted. The central shaft rotates within sealed roller bearings mounted on joints that span the entrances to the drum. The steel cross members are attached to the spokes to support the circular rims of the drum assembly. The rim forms the framework to which screening media is attached.

 

Water exits from the inside to the outside of the drum through mesh panels. The mesh panels are arranged around its periphery and these mesh panels are cleaned, with the assistance of gravity, by back washing at deck level.

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