Description: actual reliability of a component under real operating conditions; Name: operating reliability
Description: Actual reliability of an item considering operating modes, operating conditions and possible preventive maintenance actions carried out ; Name: Operational reliability
Description: Speed that characterizes a pump in terms of its speed, flow rate per impeller eye, i.e. total flow for single-flow impeller, half flow for double-flow impeller, at the best efficiency point and head per stage at maximum impeller diameter ; Name: Specific speed