Description: this feature describes the optimum head of a component at the point of highest efficiency; Name: head at best efficiency
Description: Total head developed by the pump at a rate of flow corresponding to the best efficiency; Name: Optimum head
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