Description: this signal provides the total head at the inlet of the installation; Name: installationinlethead
Description: head observed at inlet area of the installation, corresponding to the sum of the height, pressure head and velocity head; Name: total head at inlet area of the installation
Description: NPSH-value required for a drop of 3 % in the total head of the first stage of the pump as a standard basis for use in performance curves; Name: Net positive suction head required for a drop of 3 %