Description: NPSH available as determined by the conditions of the installation for a specified rate of flow; Name: npsha
Description: Minimum NPSH available at the inlet area of the pump as determined by the conditions of the installation for a specified rate of flow ; Name: Net positive suction head available
Description: head observed at outlet area of the installation, corresponding to the sum of the height, pressure head and velocity head; Name: total head at outlet area of the installation