Description: Direction of movement (sense of rotation) of the pump during rotation, viewed from the drive onto the shaft; Name: Direction of rotation of the pump
Description: Motion direction (rotating direction) of the pumpe in the case of rotation seen from drive to shaft; Name: Rotational direction of the pump
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 %