Floating Roofs

In today’s environmentally conscious world, the reduction of fugitive emissions is amongst the highest priorities. It can impact not only the cost of constructing and operating a tank, but can often determine if a tank can be permitted for use. One of the most effective methods of reducing these emissions is to eliminate the vented vapor space with the installation of a floating roof. PTC offers several types of steel internal and external floating roofs as shown below.

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Floating Roofs


Pan


Bulkhead Pan



Annular Pontoon


doubledeck

Size Limitation (Approximate Dia.) < 60 ft. < 180 ft. Unlimited Unlimited
External Design Capable No No Yes Yes
Self Buoyant No Limited Yes Yes
Double Seal Capable Limited Limited Yes Yes
Resistance from Turbulance Poor
Good Better Best
Cost Low Mid High Highest