What is a round roof tank an example of?

A round roof tank is classified as a vertical cylindrical tank. It typically features a cylindrical body with a rounded or arched roof, designed to hold various liquids, particularly in industrial applications. The structure is efficient for maximizing storage and minimizing the amount of surface area exposed to atmospheric conditions; this also helps in managing vapor loss when handling volatile substances.

While it's understandable to think of it as a spherical tank, the key distinction is that spherical tanks have a uniform, three-dimensional shape that is entirely spherical. In contrast, a round roof tank maintains a cylindrical form, with a curved top but flat sides. This structural difference impacts the tank's design characteristics, pressure storage capabilities, and the types of materials that can be safely held within. Recognizing these nuances aids in better understanding the classifications and usage of storage tanks in hazardous materials management.