PRIVATE WATER SYSTEMS - Pumping Installation - Storage - Gravity Tanks

Gravity Tanks

Gravity Storage Tanks A gravity tank is a large water storage tank located well above the level of the buildings. For every 2.3 feet in elevation that the water level in the storage tank is raised, 1 pound of pressure is added. Therefore, to supply a minimum of 20 pounds of pressure, the tank would need to be 46 feet (20 x 2.3) higher than the water outlets. Unlike other types of storage, the pressure in gravity tanks is not derived by how much water is in the tank, but by the elevation above the water outlets
Gravity Storage Tanks

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