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Sunday, 11 August 2019

Aylesbury Float Valve

Two 1500 litre cold water storage tanks in the basement of a commercial building were previously controlled by old part 1, 1 1/2" type ball valves {on left}. These have now been replaced with Aylesbury delayed action float valves {on right}.

Here is the first one fitted. It won't open to refill until the level has dropped to a preset point. This prevents constant refilling every time a draw off is made and lessens refill noise.

Here it is in action. It is designed to cause turbulence in the tank which prevents any stagnation.

And it has quickly reached level and closed off again.