Description: Ratio of the amount of active power to the apparent power; Name: cos phi
Description: Relation of the amount of the active power to the false performance; Name: Power factor (cos phi)
Description: Speed that characterizes a pumps cavitation performance in terms of its speed, optimum rate of flow per impeller eye at best efficiency point and NPSH3 at best efficiency point for the first stage at maximum impeller diameter ; Name: Suction-specific speed