Steel plate for roofs of API 650 ground supported liquid storage tanks

The cleanliness of the API 650 ground supported liquid storage tanks has a great influence on the safety of the tank and the quality of the oil stored. Keeping the API 650 ground supported liquid storage tanks clean can slow down the corrosion of the tank wall and reduce the pollution to the oil. If the inside of the API 650 ground supported liquid storage tanks is not cleaned all the year round, a lot of rust and metal impurities will be produced in the tank These impurities will cause the oil to slowly oxidize and deteriorate The impurities mixed into the oil will also block the filter and oil circuit, causing oil supply failure

Changes in Tank ShapeIf in any of the foregoing tests there is an excessive rise of the bottom of the tank around the boundary of contact with grade, or off its foundations, or if any of the specified conditions of test loading cause other appreciable changes in the shape of the tank, the design shall be reviewed and means shall be provided in the tank for holding the shape within permissible limits under all conditions of loading,API 650 ground supported liquid storage tanks. Additional TestsThe tests prescribed in API 620 tank 7.18 are believed to be sufficient for most tanks constructed according to these rules; if, in the opinion of the designer, additional tests are needed to investigate the safety of a tank under certain other conditions of loading, as determined from the design computations, these tests shall be made on the tank involved in addition to the tests specified in this standard.

The welded steel API 650 storage tank API 650 ground supported liquid storage tanks is designed, manufactured and installed on the surface according to the API standard system classification. API 650, API620 and API 12D belong to the API standards for professional construction.