Description: nominal value of total energy head at the outlet side of the pump unit at operation; Name: nom feed height
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
Description: total inlet pressure required to ensure there is sufficient margin to maintain the minimum instantaneous inlet pressure with adequate margin above the minimum liquid vapour pressure expected; Name: net positive inlet pressure required