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: net positive suction head (NPSH) from flow rate at best efficiency point for actual impeller (indication of the minimum inlet pressure in meters required for the pump to deliver according to the QH curve. related to the optimum duty point at the current impeller diameter); Name: net positive suction head for Q opt at actual impeller size