A131 Gr A plates API standard 650 carbon steel storage tanks

In the petrochemical industry and other industries, large vertical API standard 650 carbon steel storage tanks are often used to store various production raw materials. Usually, the medium with high melting point and easy to crystallize at room temperature can be exported and used after heating, which involves the heating of large vertical storage tanks. The heating system is an auxiliary facility for heating of large vertical storage tank. It is often necessary to design external heating coil or internal heating coil system.

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For floating roof API 650 tanks, the net working capacity is the liquid volume contained between the API standard 650 carbon steel storage tanks maximum operating level (300 mm below rim for metallic type seals and 600 mm below rim for fabric type seals) and the minimum operating level (API 650 tanks roof supports clearing the tank bottom by 25 mm while set at the operating position).

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