Description: A designation consisting of one or more words that is permanently assigned to a class within a classification system; Name: class description
Description: description comprising one or more words allocated to a class within a class system; Name: description of class
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