Description: Time specification for the average duration of an outage; Name: average downtime
Description: Timescale for the mean downtime; Name: mean downtime
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