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The Orbinox model RB weir gate is designed for downward opening applications where more accurate flow control is required. The water flows over the top of the slide permitting a constant upstream water elevation. The RB model weir gate is available from sizes 6”x6” (150mm x 150mm) up to 80”x80” (2000mm x 2000mm).
The sealing system is incorporated on 3 sides (both laterals and bottom), resulting in a perfect seal without the need of wedges on the gate. This unique design allows to achieve watertight performance on seating and unseating pressure conditions (bi-directional). In addition, a 4 side sealing system is available.
The leakage rate on the model RB is lower than the maximum allowable recommended by AWWA (C513-05) under normal conditions. Orbinox can also design and manufacture the RB weir gate model in larger sizes, higher service conditions, and maintain a leakage rate below the allowable standard from AWWA. For larger sizes please contact us.
More than 50 years' experience designing, manufacturing and marketing knife gate valves, penstocks, dampers, and valves for hydraulic work. With 6 Manufacturing Plants in Europe, the Americas and Asia, 12 Sales Companies and an extensive network of Distributors worldwide, ORBINOX is currently present in over 70 countries across the five continents.