Description: Role or task of the pump within multi-pump management; Name: role of pump
Description: role respectively task of the pump within the multi pump management; Name: pump role
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