Description: Character string identifying additional properties that cannot be expressed by structured manufacturer part numbers; Name: Manufacturer Product Order Supplement
Description: By the manufacturer awarded string for the identification of additional attributes, not by a structured manufacturer item number may be expressed; Name: Manufacturer product order suffix
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