Description: static pressure (absolute) of the discharged mixture immediately downstream of the pressure port; Name: counter pressure
Description: absolute static pressure of the emerging mixture immediate downstream the pressure connection; Name: Counterpressure
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 %