Description: type of the device according to the principle of operation and fluid which is pumped; Name: type of device
Description: device type according to functional principle and pumped fluid; Name: device type
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