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Pleasant Prairie, WI 53158
United States
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CSO Deflection Screens
Prevent debris from entering receiving waters during storm events
The RSW and RSW-K Combined Sewer Overflow (CSO) Deflection Screens are continuous self-cleaning bar screens used to manage storm-related flows in combined sewer systems. They are designed to retain solids within the wastewater channel, ensuring they continue on to the treatment plant for proper removal and disposal, thereby preventing accidental discharge into natural waterways.
Technical Specs
The RSW and RSW-K screens are composed of horizontal bar modules that can be custom-fitted to the specific height and flow velocity of a channel. The screens are constructed from durable 304L or optional 316L stainless steel. A key feature is the absence of internal cross-bracing, which prevents materials from snagging. The screens act as a barrier, retaining solids while allowing excess water to pass through. All hydraulic and electrical controls are located outside the wet zone.
Function
Wastewater and stormwater flow into the channel, where the screen's horizontal bars capture debris. The screens feature a unique cleaning mechanism: a cleaning carriage with triangular combs moves through and between the screen bars to remove trapped debris. As the force of the water pushes debris onto the screen, the combs move the captured material forward toward the discharge. The RSW has a fixed weir at its midpoint to control velocity and activate overflow. The RSW-K design, in contrast, features a movable weir gate that automatically opens to release flow and maintain a consistent water level, preventing contaminants from entering the overflow.
Features
- Bar Spacing: 4 mm
- Cleaning Mechanism: Hydraulic cylinder-operated cleaning carriage with triangular combs
- Material: 304L SS (standard), 316L SS (optional)
- Design: No cross-bracing, all controls outside the wet zone
Benefits
- The screens are continuous self-cleaning, ensuring optimal performance even during high-flow storm events. The unique cleaning mechanism effectively removes debris and prevents clogging.
- Their rugged and corrosion-resistant construction guarantees a long service life with very low maintenance, as evidenced by the durable materials and simple design.
- The design with no cross-bracing eliminates snag points, ensuring a smooth flow of debris to the discharge point.
- The screens' ability to retain solids prevents pollution of lakes, rivers, and streams, which is crucial for environmental protection.
Download
Here below you will find all documents regarding this product. Click “Other Languages” for translated versions.
Language
Name
Issue
Latest edition
Code
Brochures
Language
Name
ROMAG Combined Sewwer Overflow Screens Brochure
Issue
Latest edition
01/2025
Code
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