API 650 floating-roof tank design

External floating-roof tank design per API 650 — shell, pontoon, buoyancy and freeboard.

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  • Erecting the shell courses of an oil storage tank at the project site

    Oil Storage Tank Construction Steps to API 650

    A large oil tank is built at the project site. The construction steps from the foundation and bottom plates to erecting the shell, a fixed or floating roof, and the hydrotest with settlement monitoring.

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  • Exterior of a floating roof storage tank built by Behineh Ab

    Floating roof storage tank

    For volatile petroleum products and lower evaporation losses

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  • Vacuum box with a clear window on a storage tank bottom plate weld

    Vacuum Box Test: Checking Storage Tank Bottoms for Leaks

    A tank bottom sits on the foundation and cannot be seen from below. The vacuum box finds leaks in the bottom plate welds from above, before filling.

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  • Pressure vessel under hydrostatic test with a pressure gauge in the Behineh Ab workshop

    Tank Hydrostatic Test, Step by Step

    The hydrotest is a tank's final exam before delivery, and we carry it out in our own factory. The test pressure, the work before filling, and the mistake that can ruin a tank while it is being drained.

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