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: extent of protection provided by an enclosure against access to hazardous parts, against ingress of solid foreign objects and/or ingress of water and verified by standardized test methods, expressed as a IP rating; Name: degree of protection