Description: smallest total energy head at the outlet side of the pump unit at operation; Name: min feed height
Description: smallest total energy height at the outlet side of the pump aggregate to the total energy height of the admission side of the pump aggregate at operating point; Name: minimum feed height
Description: Speed that characterizes a pump in terms of its speed, flow rate per impeller eye, i.e. total flow for single-flow impeller, half flow for double-flow impeller, at the best efficiency point and head per stage at maximum impeller diameter ; Name: Specific speed