Fixed roof tanks are cylindrical storage tanks designed for bulk liquid storage, which can be divided into cone/dome roofs.
These bulk storage tanks are designed with roofs permanently affixed to cylindrical shells. 

Newer-type storage tanks are typically fully welded and designed to be both liquid-tight & vapor-tight. These storage tanks are appropriate for the storage of products that have relatively low volatility and low flash points.

In DFC, storage tanks with diverse design can be customized according to customer's needs. 
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