5052 aluminum tube API 650 aboveground welded storage tanks

Before pressure testing, thoroughly flush the API 650 tank floating roof primary drain hose system. Supply API 650 aboveground welded storage tanks blind flanges, gaskets, and bolting (for other types of blanking covers as may be required) necessary for testing.

API 620 crude oil tank piping materials made according to ASTM A333 and A350 may be used at API 650 aboveground welded storage tanks design metal temperatures no lower than the impact test temperature required by the ASTM specification for the applicable material grade without additional impact tests. For temperatures below those allowed by the ASTM specification, the following paragraph shall apply.

Atmospheric API 650 aboveground welded storage tanks refer to storage tanks whose gas or vapor pressure is greater than -0.02MPa but less than 0.1MPa. Metal atmospheric storage tanks made of steel welded on the ground are often used to store petroleum, chemical and other similar liquids. Atmospheric API 650 aboveground welded storage tanks usually have a connecting pipe directly connected to the atmosphere, so that the operating pressure in the storage tank does not exceed the design pressure at all times.

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