External And Internal Floating Roof Tank

The roof rises and falls with the liquid level in the tank.

External and internal floating roof tank.

External floating roof and internal floating roof. It consists of an open topped cylindrical steel shell equipped with a roof that floats on the surface of the stored liquid. So far perfect designed internal floating roof tank is the best and the least investment method to control volatilization loss from the fixed roof tank. An external floating roof tank is a storage tank commonly used to store large quantities of petroleum products such as crude oil or condensate.

Domed external floating roof tanks have the heavier type of deck used in external floating roof tanks as well as a fixed roof at the top of the shell like internal floating roof tanks. Domed external floating roof tanks usually result from retrofitting an external floating roof tank with a fixed roof. The floating roofs can be either external i e with open top tanks or internal i e inside fixed roof tanks. Compared with external floating roof tank internal floating roof tank is a promising tank with more advantages also its applications are wider and wider.