18 Inch Anti-Vortex PVC Plate Assembly height_4 1/2 Feet These couplings are made of

These couplings are made of the highest quality plastic resins and are designed for years or problem free use

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VGB and ANSI compliant

At a normal pressure level the valve should close again

For installations on fixed concrete piers where bottom support for ladder is not possible

18 Inch Anti-Vortex PVC Plate Assembly height_4 1/2 Feet These couplings are made ofThis 18 inch anti vortex plate prevents the formation of a vortex and subsequently air entrapment into the pump by forcing any emerging vortex to go around a plate and then into the suction pipe. The swirling motion cannot be maintained and the vortex dissipates and cannot form if the path is too long and contorted. This schedule 80 PVC Anti Vortex plate is a simple, effective product that controls velocity on your suction line and avoids cavitation.