Description: actual total head of the pump; Name: total head pump
Description: Difference between the total head at the outlet side of the pump and the total head at the inlet side of the pump ; Name: Pump total 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