API Std 650 storage tanks requirement

API 650 storage tank stipulates that if the thickness of the lower wall panel obtained by calculating the anti-overturning moment is greater than the thickness of the API Std 650 storage tanks hydrostatic pressure test (both do not include the corrosion allowance).

Usually, the wind load in the API Std 650 storage tanks construction area should be considered before the tank design and construction. The wind load in the API Std 650 storage tanks construction area has an impact on the stability and economy of the API Std 650 storage tanks. In the area with large wind load, it is safe to design the tank as "squat". When calculating the wind force, the influence of the thickness of the insulation layer of the API Std 650 storage tanks, the shape of the ladder, the platform, the pipeline and the top cover must be considered.

Uplift on Foundation
For API Standard 620 tanks with an internal design pressure less than 1 lbf/in.2 gauge, the uplift shall be taken as the smaller of the maximum uplift values computed under the following conditions:
a)The internal design pressure times 1.5 plus the design wind load on the shell and roof.
b)The internal design pressure plus 0.25 lbf/in.2 gauge plus the design wind load on the shell and roof.

Customer service center has provided after-sales service for many large-scale information systems, and has accumulated rich working experience in the process of API Std 650 storage tanks service for many years. It can provide accurate, timely and high-quality support and service for users, which is well received by users.

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