Atmospheric storage tank design pressure
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In project work, it is common to see that the design pressure for atmospheric storage tanks is 0.0056 MPa or 0.056 Bar. I would like to ask how this number was derived Does anyone know?~
It was provided by the process engineers; generally, there seems to be a slight positive pressure for liquid inlet and a slight negative pressure for liquid outlet.
This should be related to the operating conditions.
It might be the breathing pressure of the breather valve