Steel Tank Types and Comparison

PTC can construct multiple types of steel tanks. Specific operational requirements are key in determining the type of tank that will provide you the most cost efficient and long term service. Below is a comparison chart of some common roof types to help in your selection. Our experienced sales team will gladly assist you in selecting and configuring a tank to meet your specific needs.

Steel Tanks
	Self supporting cone	self supporting umbrella	self supporting dome roof	supported cone (No ifr)	External Floating Roof	Internal Floating Roof
Size Limitation (Approximate Dia.)	< 40 ft.	<90 ft.	<100 ft.	>20 ft.	>30 ft.	>30 ft.
Internal Pressure	Good	Better	Best	Limited	N/A	Limited
Corrosive Products	Best	Best	Best	Limited	Limited	Limited
Emissions Control (No Gas Blanket)	Good	Good	Good	Good	Better	Best
Emissions Control (Gas Blanket)	Good	Better	Best	Good	N/A	Best
Storm Resistance (Rain, Wind, Snow)	Better	Best	Best	Better	Good	Best
Capacity	Best	Best	Best	Better	Limited	Limited
Cost	Low	Low	High	Mid	Higher	Highest