Backwash Valves

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Backwash Valves

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Backwash Valves

BERMAD backwash valves

The Bermad patented backwash valve has been especially designed for filter backwashing. The 3-2w principle has a unique diaphragm-actuated valve.

Due the short valve stroke, the direction of flow changes gradually. The inlet port closes before the drain port opens and vice versa the drain port closes before the water inlet opens again. Thus, the flushing water is kept separate from the water to be purified. The design of the valve makes it possible for it to be installed in different positions and provides for an optimal separation of flushing water and water to be filtered.