We have a high-quality elite team, with a wealth of steel products resources and business experience. The oil loss caused by the process of discharging oil vapor and inhaling air gas is called "small breathing" loss, which is also called static storage loss of oil tanks.
Under the condition of static storage without receiving and sending operation, the temperature of gas space, evaporation rate, depth and pressure of vapor in the api 650 pdf free download will change with the change of temperature and pressure in a day. Pressure relief and vacuum relief valves shall be checked by applying the design gas pressure to the outer tank, followed by evacuation of the outer space to the vacuum setting of the relief valve.
The api 650 pdf free download air pressure shall be released. Testing the Outer Tank: While the test pressure is being held, all welded seams and connections in the outer shell and roof shall be thoroughly inspected with a solution film unless they were previously checked with a vacuum box. A drawing index for each API 650 tank is required and shall be re-submitted each time drawings are revised and re-issued. Design calculations and drawings required api 650 pdf free download for the fabrication and erection of each API 650 tank.
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