Description: measure for the friction forces of a fluid divided by the fluid density; Name: kin viscosity
Description: ratio of the dynamic viscosity to the density of the pumped liquid; Name: Kinematic viscosity
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 %