Description: Design flow rate in the pump outlet nozzle divided by the outlet cross-section of the pump; Name: mean design speed in the outlet
Description: rated flow at pump outlet connection divided by the inlet area of the pump; Name: mean rated velocity at outlet
Description: Allocation of explosion-protected electrical operating media according to their maximum surface temperature for use in explosion-capable atmosphere in accordance with (IEC 50(426):1990; Name: Explosion protection temperature class of the electric motor