Gravity takes the water from the roof tank down into the building as needed.
Roof tank system.
There will always be a vapor space between the liquid surface and the roof.
An external floating roof tank is a storage tank commonly used to store large quantities of petroleum products such as crude oil or condensate.
Various businesses need roof tanks to store their products such as oil gas petroleum water and other non organic liquids.
Roof tanks are essential components of the oil and gas industry.
Specifically it is an environment friendly and economical storage tank or oil tank installed a floating roof under the vault of the tank usually made of aluminum stainless steel or other material to prevent the liquid from volatilize.
Roof tanks work based upon two fundamental forces.
Electricity in the form of an electric pump in the basement and sometimes an additional sensor within the tank itself ensures that the water level in the tank stays high enough.
The roof of a fixed roof tank is part of the structure fig.
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It consists of an open topped cylindrical steel shell equipped with a roof that floats on the surface of the stored liquid.
The roof rises and falls with the liquid level in the tank.