Description: Greatest difference of the total energy head at the outlet side of the pump unit to the total energy head of the inlet side of the pump unit at the operating point.; Name: Max. head
Description: greatest difference between the total energy height at the outlet side of the pump aggregate and the total energy height of the intake side of the pump aggregate at operating point; Name: maximum 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