The floating roofs can be either external i e with open top tanks or internal i e inside fixed roof tanks.
Floating roof system.
In principle this eliminates tank breathing loss and greatly reduces the evaporative loss of the stored liquid.
As opposed to a fixed roof tank there is no vapor space in the floating roof tank except for very low liquid level situations.
Floating roof systems floating roofs were designed more than 100 years ago as a safety precaution to keep explosive gasses from building up between the roof of a tank and its petroleum contents.
Our floating roofs are used by all major oil companies as well as oil storage and pipeline companies because they are safer more cost effective and more environmentally friendly than other floating roof systems.
Sandborn roofs manufactures the patented sandborn full contact internal floating roof system ifr.
Today the emphasis is on controlling atmospheric pollution as well as on safety.
It consists of an open topped cylindrical steel shell equipped with a roof that floats on the surface of the stored liquid.