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: A suitable, maximum (usually rounded) value of a frequency which is used for the description, designation or identification of a part, device, operating resource, facility or set of equipment; Name: Max. nominal frequency