Centrifugal, single impeller electric pumps with pump body built according to EN 733 Stardards, connected to the motor through a support unit, suitable for pumping clean water and chemically and mechanically non aggressive liquids. It can be installed in any position excluding the one with inlet up-words and this, along with its special design, makes it use easier and more convienent in most fields: civil, industrial, agricultural. Standards supply with counter-flange.