Description: Allocation of explosion-protected electrical operating media according to the max. surface temperature for usage in explosion-capable atmosphere in accordance with (IEC 50(426):1990; Name: electric motor explosion protection temperature class
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
Description: NPSH-value required for a drop of 3 % in the total head of the first stage of the pump as a standard basis for use in performance curves; Name: Net positive suction head required for a drop of 3 %