Description: lowest thermal flow under which the pump can operate without damage; Name: lowest permissible thermal flow
Description: Lowest flow at which the pump can operate without its operation being impaired by the temperature rise of the pumped liquid ; Name: Minimum allowable thermal flow
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