Description: free cross-section of the inlet opening in the inlet nozzle of the pump; Name: Inlet cross section of the pump
Description: free cross-sectional area of the entry opening in the inlet connection of the pump; Name: inlet area of the pump
Description: norm describing the material. The material number is taken from this norm. Type and number of the norm with issue year and issue month must be given; Name: Reference norm material of the rotor