Single stage pumps with fittings (sometimes with flange) with suction / discharge In-line, same nominal diameter. Online asynchronous, single-phase, glandless motors, low energy consumption over the class C, low noise levels. Impeller bearing composite material containing 30% glass fiber, for high resistance to high temperatures, the ceramic shaft to prevent slagging, corrosion and electrolysis, as well as one piece (not welded - not pressed) stainless stator sleeve. Wide range of maintenance-free!