Description: Measured flow rate passing through the volute outlet divided by the cross-section of the volute outlet.; Name: average velocity in the spiral housing outlet area
Description: measured rate of flow passing through the exit from the volute divided by the throat area; Name: mean velocity at throat
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