Keraflo valves control water to huge tanks in shopping centre

Keraflo

The water supply to two large water tanks — the larger is 108 m3 — in the Westfield London Shopping centre (pictured) is controlled by fast-acting Keraflo float valves. Another tank storing water for the adiabatic cooling system also uses a Keraflo float valve.

Services consultants Silcock Dawson & Partners designed the systems.

The main arrangement for storing water consists of two huge sectional cisterns mounted piggy-back style so that the upper tank of nearly 80 m3 replenishes the lower 108 m3 tank to ensure that good circulation is maintained at all times.

A Keraflo KP valve selected to provide very rapid fill at peak times is controlled by a KB pilot float-valve arrangement to serve the upper tank.

The water supply to the lower cistern is regulated by a dual-feed KB float valve.

These valves were selected because they perform well with a low operating pressure. The 12 m3 adiabatic storage cistern uses a standard KB float-valve arrangement.

For more information on this story, click here: July 09, 133
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