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: net positive suction head (NPSH) from flow rate at best efficiency point for actual impeller (indication of the minimum inlet pressure in meters required for the pump to deliver according to the QH curve. related to the optimum duty point at the current impeller diameter); Name: net positive suction head for Q opt at actual impeller size