Description: pump connection mode defines single, parallel or series operation; Name: mode_operation
Description: Specifies whether the pump is to be operated in single, parallel or series connection.; Name: Operating mode
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