Description: NPSH that results in a 3 % loss of head (first-stage head in a multistage pump) determined by the vendor by testing with water; Name: NPSH3
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 %
Description: suitable (normally rounded) value of a current for describing, designating or identifying a component, a device, an operating medium, an installation or equipment; Name: nominal current