Description: rated flow rate divided by the inlet area of the plant ; Name: Average nominal velocity in the inlet area of the plant
Description: Rated flow at the inlet area of the installation divided by the inlet area of the installation; Name: Mean rated velocity at inlet area of the installation
Description: difference between the total energy height on the outlet side of the pump aggregate and the total energy height of the intake side of the pump aggregate ruling at operating point; Name: nominal feed height