Description: Overpressure of the gaseous state that is in thermodynamic equilibrium at a given temperature.; Name: Vapor pressure (overpressure)
Description: gauge pressure of the gaseous state of a substance which is in thermodynamic equilibrium with the liquid or solid phase of the substance at a given temperature; Name: vapor pressure (gauge)
Description: NPSH-value required for a drop of 3 % in the total head of the first stage of the pump as a standard basis for use in performance curves; Name: Net positive suction head required for a drop of 3 %