CSA G40.21 Gr 44WT plates API Std 650 flat-bottom tanks

Generally, the snow load in the API Std 650 flat-bottom tanks construction area should be considered before the design and construction of the tank. The snow load in the API Std 650 flat-bottom tanks construction area has an impact on the tank roof design and operation, especially in the area with large snow load, the roof load of large storage tank with large diameter increases. Anti freezing, heat preservation and waterproof measures shall be taken for the additional facilities of storage tanks, such as pumps, breathing valves, flame arresters, detection instruments and thermal insulation layers.

The API Std 650 standard published by the American Petroleum Institute (API) is designed to provide the petroleum industry with welded steel tanks for use in the API Std 650 flat-bottom tanks storage of petroleum products and other liquid products commonly handled and stored by the various branches of the petroleum industry.

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