5456 aluminum shapes API Std 650 aluminum tanks
The main contents of safety inspection for atmospheric storage tank, API Std 650 aluminum tanks are to see whether the tank foundation is sunk, whether the tank is corroded, whether there are cracks in the tank body and bottom, whether there is concave convex phenomenon on the top and wall of the tank, whether the accessories of the storage tank are in good condition, etc. After the API Std 650 aluminum tanks safety inspection and detection, the defects found in the tank should be handled according to the inspection rules in time to ensure the normal and safe use of the storage tank in the later stage.
Testing the Outer Tank: While the test pressure is being held, all welded seams and connections in the outer shell and roof shall be thoroughly inspected with a solution film unless they were previously checked with a vacuum box. The API Std 650 aluminum tanks air pressure shall be released. Pressure relief and vacuum relief valves shall be checked by applying the design gas pressure to the outer tank, followed by evacuation of the outer space to the vacuum setting of the relief valve.
The internal floating plate of internal floating roof tank of API 650 tank is different from that of open floating plate of API Std 650 aluminum tanks External floating roof tank of API 650 tank, so it is impossible to have rain and snow load.
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