Description: Nominal speed (nN) is a suitable, rounded speed value for classifying the speed range; Name: nominal speed
Description: Number of revolutions of the pump in a given time required to meet the rated conditions ; Name: Rated speed
Description: A suitable, maximum (usually rounded) value of a frequency which is used for the description, designation or identification of a part, device, operating resource, facility or set of equipment; Name: Max. nominal frequency