Description: the actual head at the inlet of the pump; Name: pump inlet head
Description: head observed at inlet area of the pump, corresponding to the sum of the height, pressure head and velocity head; Name: Total head at inlet area of the pump
Description: Allocation of the devices according to deployment site and cause of the hazard. NOTE: The Group II operating media are further subdivided into explosion groups and temperature classes; Name: Explosion protection device group of the electric motor