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Rotary Distributor Mechanism

Used in industrial, municipal, and mining clarification and thickening

The DBS Rotary Distributor, or trickling filter centre mechanisms, are available in 2, 3, 4, or 6 arm configurations as a rotary reaction type (hydraulically driven) or motorized type (motor driven). They can be constructed using steel, stainless steel, or aluminium

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The DBS Rotary Distributor, or trickling filter centre mechanisms, are available in 2, 3, 4, or 6 arm configurations as a rotary reaction type (hydraulically driven) or motorized type (motor driven). They can be constructed using steel, stainless steel, or aluminium

DBS Rotary Distributors are designed for all standard influent pipe sizes from 200 mm to 1200 mm. Standard models are made from steel pipe and plate and are hot dip galvanized. DBS Rotary Distributors are also available in aluminium and stainless steel construction.

The centre mechanism’s state-of-the-art design provides exceptional reliability and simplicity. One specially designed precision bearing supports the entire rotating mechanism. The bearing is top running and is safely away from damaging water and moisture. Bearings come with a 5-year warranty.

The centre mechanism is also seal-less, reducing maintenance and breakdowns. If the arms clog and flow backs up into the rotary distributor, the overflow simply discharges between the distribution manifold and influent column. High-low flow splitter baffles and access ports allow for easy maintenance and cleaning.

The motorized rotary distributor turns at a controlled speed regardless of flow. This allows the operator to control the dousing rate. A shear pin mechanism or a slip clutch device protects the entire motorized rotary distributor in the event binding occurs. Additionally, motorized rotary distributors can be reversed and back-driven, which is particularly useful during start-up and installation.

The trickling filter mechanism is often used in flocculation, suspension, homogenization, and subsurface aeration. The system has rectangular cross-section arms made from HDG carbon steel, stainless steel, or aluminium. A water spreader plate runs continuously along the length of the arm. Each arm has a flushgate at the end for easy cleaning.

The tapered outer section maintains uniform water velocity while minimizing weight for longer rotary distributor bearing life. An easily removable UV-resistant nozzle grommets of different sizes allow for precise flow distribution to evenly dose the trickling filter media.

DBS Rotary Distributors are often used in the mineral processing, power, pulp and paper, and water and wastewater industries.

Talk to our experienced team about your specific processing requirements