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Hubert drum screen

Efficient and fish-friendly water intake for large flows.

The Hubert drum screen is a vertical, rotating water intake screen that provides fine and reliable filtration in seawater and freshwater intake systems, particularly for power plants and desalination facilities. With a capacity of up to 120,000 m³/h per screen, it offers a robust solution for protecting downstream processes from debris, dirt particles and coarse material.

Thanks to its unique structural design, the drum screen has an extremely rigid frame that prevents deformation and ensures a perfect fit within the inlet channels. This allows fine screening down to 2 mm, even under harsh conditions and tidal variations.

Features

The drum screen is designed for fine, continuous filtration of large water flows. The screen is typically installed in a concrete channel or inlet pit, directly behind a coarse front screen. Water flows radially through the rotating drum screen, where particles are captured by stainless-steel mesh panels with openings as small as 2 mm.

The drum rotates slowly on its horizontal axis, cyclically passing the contaminated filter panels beneath a set of high-pressure nozzles. These nozzles remove the accumulated debris from the mesh, after which the material is discharged via an integrated collection system, without the need for a separate pump.

The robust construction ensures high structural rigidity and minimal deformation, even at large diameters (up to 20 metres). This keeps the screen media tightly stretched and ensures consistent filtration performance.

For applications where ecological considerations are important, the screen can be equipped with a fish-friendly recovery system. This system safely guides fish entering with the intake flow towards a dedicated return chute.

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Advantages

Very large screening capacity
Low-maintenance design
Long service life
Resistant to abrasive particles

Fish-friendly design
Unique A-frame structure
No debris pump required
Water-lubricated bearings

Downloads

Brochure Hubert drum screen

Picture Of Drum E1597674587767

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