API standard 650 self-anchored flat-bottom steel tanks flanges

API 650 tank has the advantages of less load on the floating plate, simple and light structure, and can save the central drainage pipe and rotating floating ladder on the API standard 650 self-anchored flat-bottom steel tanks floating plate. The materials for easy construction and maintenance and sealing parts can avoid aging due to sunlight.

Above the water level, all API standard 650 self-anchored flat-bottom steel 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.

Tank cracks are common API standard 650 self-anchored flat-bottom steel tanks defects, mainly including tank wall cracks, internal cracks, weld zone cracks. The reason for these defects may be that the defects not exceeding the standard existed in the early stage of API standard 650 self-anchored flat-bottom steel tanks construction, which become obvious after the later use. Or in the process of using the API standard 650 self-anchored flat-bottom steel tanks, the tank body material generated new defects due to corrosion, pressure, wear and other reasons, and tank cracks.

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From the order to the delivery, there are three quality inspections to ensure that the qualified rate of finished products is more than 100%. We promise that every order will be tracked in a timely manner to ensure that customers can receive goods safely and constantly listen to their opinions and suggestions, reflect on our own problems, and let customers feel at ease. We have a large warehouse in Shanghai and Tianjin, which can provide customers with sufficient sources of supply.