API Std 650 self-anchored storage tanks restrictions on stiffening rings

Above the water level, all API Std 650 self-anchored storage tanks welded joints, all welds around openings, and all piping joints against which the pneumatic pressure is acting shall be checked with a solution film. A visual inspection may be substituted for the solution-film inspection if the welded joint has previously been checked with a vacuum box. The solution-film inspection shall still be made, above the water level, on all welds around openings, all piping joints, and the compression ring welds, including the attachment to the roof and shell.

We also specialize in internal and external floating roofs, cathodic protection, primary and secondary containment, and storage tank foundations. Our staff are skilled in producing API 650 petroleum storage tanks. If you need to replace or repair API Std 650 self-anchored storage tanks API 650 petroleum storage tanks, please contact us in time. Every API 650 petroleum storage tank we make emphasizes quality and safety.

We have built solid cooperation with Myanmar Navy since 2015, starting from a try order about 412 tons LR AH36 shipbuilding steel plates. Myanmar navy builds frigate every year and book shipbuilding steel materials from us regularly. This time, the Myanmar navy’s local representative visit us and put another order about 2025 tons LR grade A steel plates. According to clients requirements, we arranged API Std 650 self-anchored storage tanks SGS inspection for the LR grade A steel plates before shipping and send them inspection report.

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Atmospheric API Std 650 self-anchored storage tanks refer to storage tanks whose gas or vapor pressure is greater than -0.02MPa but less than 0.1MPa. Metal atmospheric storage tanks made of steel welded on the ground are often used to store petroleum, chemical and other similar liquids. Atmospheric API Std 650 self-anchored storage tanks usually have a connecting pipe directly connected to the atmosphere, so that the operating pressure in the storage tank does not exceed the design pressure at all times.

We should focus on the main problems to be solved and pay attention to efficiency. After receiving the user's quality objection report data, the possible causes, responsible units, compensation amount, etc. of the problem shall be judged based on experience. To have a clear service plan, to be clear about what your main problem is, what technical support is needed, these should be prepared.

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