Description: is the ratio of the amount of active power P to apparent power S in electrical AC technology; Name: cosinus phi
Description: Determined power factor of the motor; Name: Power factor
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