Description: actual reliability of an object, taking into account the modes of operation, operating conditions and any preventive maintenance measures carried out; Name: reliability of operation
Description: Actual reliability of an item considering operating modes, operating conditions and possible preventive maintenance actions carried out ; Name: Operational reliability
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