Description: energy level in the outlet cross-section of the pump, which corresponds to the sum of geodetic level, pressure level and velocity level; Name: total energy level at the outlet cross-section of the pump
Description: head observed at outlet area of the pump, corresponding to the sum of the height, pressure head and velocity head; Name: total head at outlet area of the pump
Description: amount of the absolute value of the total head above the head, equivalent to the vapour pressure of the liquid at the particular temperature, with reference to the NPSH datum plane; Name: net positive suction head