Description: Ratio of the conveying power to the power absorbed by the drive; Name: Overall efficiency (of the pump unit)
Description: proportion of the driver power input, pmot, delivered as pump power output, pu; Name: overall efficiency
Description: a specific design within the context of a type, which is generally characterized by its dimensions. A construction can comprise several design (variants), which generally vary in terms of mechanical details; Name: Construction form of the seal surface, connection, muff A1