Description: Greatest radial load on the pump rotor resulting from operation of the pump at any conditions within the permissible operating range.; Name: highest radial load 
Description: Greatest radial load of the pump rotor resulting from operating the pump at any condition within ist allowable operating range; Name: Maximum radial load
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 %