Description: relationship between the npshr and the rate of flow at given operating/rated conditions of speed and liquid; Name: pump npsh curve
Description: Relationship between the net positive suction head required and the rate of flow at given operating conditions of speed and liquid ; Name: Pump NPSH curve
Description: The largest radial measurement for a round object, measured as a distance through the centre line between two points in the outer circumference; Name: External diameter of the travel wheel