Description: Measured residual force acting perpendicular to the shaft line and derived from hydraulic forces; Name: radial force on pump shaft
Description: measured residual force acting at right angles to the line of the shaft and derived from hydraulic forces; Name: radial load of pump rotor
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 %