Pump for hot water circulation in hot water domestic system of the closed and pressurised or open tank type. Also suitable for solar power system. Single body formed of the bronze hydraulic unit. Die-cast aluminium motor casing. Technopolymer impeller. Ceramic driving shaft mounted on graphite bearings lubricated by the pumped liquid itself. Stainless steel protective rotor sleeve and closing flange. Ceramic thrust bearing, E.P.D.M. "O" rings. The two-pole or four-pole asynchronous motor with wet rotor is self-protected for resistance. No overload protection required.
Pump for hot water circulation in hot water domestic system of the closed |