External Floating Roof Tank Pontoon

Sketches are provided in the article depicting the pan type pontoon and double deck arrangement for external floating roof tanks.

External floating roof tank pontoon. For more than four decades advance tank has repaired and installed internal and external floating roofs that range from 15 to 300 in diameter. An external floating roof tank is a storage tank commonly used to store large quantities of petroleum products such as crude oil or condensate. Roof designs shown have been used in tanks as large as 345 ft. It consists of an open topped cylindrical steel shell equipped with a roof that floats on the surface of the stored liquid.

We offer two types of tank internal floating roofs ifr s manufactured by matrix applied technologies our heavy duty pontoon type internal floating roof and the full contact type internal floating roof each has been designed to overcome the many design problems that exist in other well known brands ifr s offering value for money through low cost of ownership and long term durability. Diameter to store crude oil. As opposed to a fixed roof tank there is no vapor space in the floating roof tank. In my humble opinion the double deck arrangement would be a more robust design but may cost extra and a detailed techno economic evaluation would be needed to arrive at the optimum option.

Our maintenance teams can replace damaged legs seal weld pontoons repair leaks replace your outer rim and more. The two preferred configurations for external floating roofs are the double deck and the low single deck with 30 minimum pontoon area. In principle this eliminates tank breathing loss and greatly reduces the evaporative lo. Beside ergil storagetech floating roof s economic benefits they also protect the environment by not releasing toxic gasses to the atmosphere.

Ergil storagetech internal floating roofs which minimize the evaporation losses of stored products such as jet fuels gasoline diesel and crude oil can be supplied as aluminium or stainless steel. The low single deck is the more efficient of the two for 30 to 170 foot diameter tanks. The pontoons in floating roof tanks play an essential role when it comes to performance in above ground storage tanks. The roof rises and falls with the liquid level in the tank.

Pontoon type floating roofs are the most economical type of floating roofs in the market.