API 650 SUG I tanks roof support legs sleeves
Tanks which are designed following rules and guidelines of API 650 are API 650 tanks. API 650 API 650 SUG I tanks is the governing code for Welded tanks for Oil storage normally operating in the atmospheric pressure range. The code API 650 provides guidelines for design, fabrication, material, erection, and inspection of welded vertical and cylindrical storage tanks. Such API 650 SUG I tanks Tanks must be above ground with a closed or open top.
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The opening pressure or vacuum of the pressure relief and API 650 SUG I tanks vacuum relief valves shall be checked by pumping air above the water level and releasing the pressure and then partially withdrawing water from the tank. After the tank has been emptied of water and is at atmospheric pressure, the anchorage, if provided, shall be rechecked for tightness against the hold-down brackets. Air pressure, equal to the design pressure, shall be applied to the empty tank, and the anchorage, if provided, and the foundation shall be checked for uplift.
Strictly control the welding groove forming of API 650 SUG I tanks: in order to ensure the geometric dimension of assembly and good welding of welding seam, before hoisting and laying, the edge of all metal vertical storage tank plate shall be polished by grinder, and the flatness of plate shall be ensured according to the design requirements. Strictly control the size of API 650 SUG I tanks weld assembly: measures must be taken to strictly control the assembly size of metal vertical tank bottom plate during assembly.
