API 650 self-anchored tanks stressed components

When API 650 storage tank is designed, when the design pressure is small F2 kPa, the impact of air pressure on the API 650 self-anchored tanks tank wall thickness is not considered in the tank wall design.

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 650 self-anchored tanks), then no design or evaluation for ALE is required by these provisions for the inner or outer tank.

API 650 self-anchored tanks, floating roof tank is composed of vertical cylindrical tank wall and floating roof, which is floating on the surface of liquid storage. The volume of floating roof storage tank is generally large, and its bottom plate is arched edge plate. The difference between floating roof tank and other types of storage tank is that there is a floating top cover floating on the surface of liquid storage, and the top cover floats up and down with the rise and fall of liquid storage.

Company through its own API 650 self-anchored tanks website, multimedia, radio, newspapers, the group, the handbook of the corporate culture carrier, approved and publicity column, in-depth to carry out enterprise culture construction, also through photography, painting, calligraphy, cartoon, speech, and the songs of the enterprise design, various cultural and sports activities to carry out enterprise culture construction.

Accept the inquiry from the owner of the goods and the inquiry by sea: master the port and price from the port of shipment to all continents and routes, and the port and price that the owner often needs to serve; the shipping schedule information of the main shipping companies; when necessary, ask the owner of the inquiry for some category information, such as the name of the goods, the level of danger, etc. (water hazard code).

To provide customers with the most satisfactory service and realize the win-win of economic and social benefits, our company promises to provide excellent API 650 self-anchored tanks products in this bidding, and in line with the attitude of being serious and responsible to customers, before sending goods to users, the API 650 self-anchored tanks technical personnel shall confirm that there is no fault in the equipment before sending goods to users, and then send goods and products to users, and formulate the following service terms.