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Which Product?

We are often asked which of our products is most suitable for a particular project.

Air-inflated rubber dams have the advantage of being quick to inflate and are often the most cost effective option. An air inflated rubber dam is generally operated in two positions: open or closed. Whilst small adjustments are possible, it does not give much further control over upstream water elevation. The maximum overtopping of an standard design air-inflated rubber dam is 20% greater than the height of the dam.

Water-filled dams are generally slower to fill than air inflated dams. They are better suited to situations where there is a tail water elevation and provide some control over upstream water levels. Overtopping of 50% of the dam height is achievable with a water-filled dam.

In situations where there is tail water, a combined air-water dam might also be suitable.

Spillway gates offer the benefits of a rubber dam but with the additional protection of an overlying steel gate panel. This can protect the inflated bladders against debris and vibration where there are strong currents. Spillway gates also allow full control over the upstream water elevation; they can operate in any position from fully open to fully closed.

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