Description: Measurement of the construction; Name: size of construction
Description: subgroup of a construction type, whose differentiating features are generally the dimensions; Name: construction size
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