Description: free cross-section of the discharge opening in the discharge nozzle of the pump; Name: Outlet cross section of the pump
Description: free cross-sectional area of the orifice in the outlet connection of the pump; Name: outlet area of the pump
Description: Determined total head at the inlet area of the installation, which corresponds to the sum of geodetic head, pressure head and velocity head; Name: Total head at inlet area of the installation