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With this control, you can eliminate the bypass flow when the water is required for the descale system. These valves are located at the pump discharge.

Hunt Valve’s pump bypass valve protection system offers an extremely reliable, cost-effective method of protecting centrifugal pumps against overheating from a lack of proper cooling flow.

Our experience with field application problems associated with the fully mechanical protection valves of other manufacturers has led us to adapt and customize our poppet and plunger style descale product range to fit the most critical centrifugal pump applications.


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