9m diameter API standard 650 open top welded storage tanks

The API 650 is the American standard for welded flat-bottomed vertical API standard 650 open top welded storage tanks storage tanks. This standard dictates tank design, manufacture, welding, inspection and installation requirements.

How to effectively increase the service life of API standard 650 open top welded storage tanks oil tanks? It is necessary to check and inspect the oil tank regularly in the process of use, and do a good job in the maintenance and cleaning of the oil tank. The oil tank should be inspected every 6 years. With the increase of service life, the inspection interval should be shortened. Daily maintenance and cleaning of the API standard 650 open top welded storage tanks can prolong the service life of the oil tank. The maintenance of the API standard 650 open top welded storage tanks mainly includes the anti-corrosion inspection of the oil tank, the maintenance of the accessories, and the cleaning of the sediment in the tank.

Aftershock Level Earthquake (ALE)
This design case shall be applicable only when regulations or project documents specifically require the tank system to be designed or evaluated for aftershocks.
If the outer tank is not designed as a secondary containment (i.e. it serves as vapor barrier and pressure boundary only and is not constructed of API 620 material suitable for the inner tank API standard 650 open top welded storage tanks), then no design or evaluation for ALE is required by these provisions for the inner or outer tank.

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