Dual Flow Perforated Plate Belt Screen FRS-DF - Outside In Flow
This high‑capture screen is the inverse of a centre‑flow design. In the FSM Dual Flow, screening occurs from the outside in. Debris is retained on the exterior of the continuous U‑shaped screen belt. The screen frame sits in the channel with its screening surfaces facing the channel walls. Wastewater is directed towards the channel sides, passes through the screen panels, and the cleaned flow moves into the frame interior and exits at the rear.
Screen panels are offered in stainless steel mesh for water intake duties or as perforated media. A dedicated sealing arrangement prevents carry‑over to the downstream side of the channel. A spray bar at the apex of the screen belt delivers primary cleaning, with an optional brush available for heavy debris loads.
Did you know?
- Lifting tines along the screen belt remove coarse solids.
- The screen has no lower sprocket or bearings, and no brush seal.
- Robust construction makes the screen highly reliable with low maintenance needs.
- The design adapts easily to changing operating conditions.
- Suitable for both indoor and outdoor installations.
- Optional fish trays are available for water intake applications

A 3D render of the Dual Flow Perforated Plate Belt Screen.

A picture of the Dual Flow Perforated Plate Belt Screen standing up.

A picture of the top of the Dual Flow Screen with the brush and motor.
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