Description: Difference in total energy height between the outlet side and the inlet side of the installation.; Name: Total height energy difference of the plant
Description: Determined difference between the total head at the oulet side of the installation and the total head at the inlet side of the installation; Name: Installation total head
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 %