Application Profile Model HSB Backstopping Clutches Water Treatment Plant Product Application P-7984-FC 5/19 A midwestern water treatment facility needed a reliable replacement clutch solution for use on a series of electric motor driven pumps connected to a common manifold. Backstopping clutches are installed on each pump to prevent backflow when one or more of the pumps is shut down. The backstops are fitted on the double extended shafts on the backend of the motors. Without the clutches, water backflow would drive the impeller and motor in the wrong direction, causing possible powertrain damage when the pumps are re-started. The problem was that the existing competitor backstopping clutches were wearing out too quickly, and the replacement lead time from the manufacturer wa

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