Pump body in cast iron and motor casing in die-cast aluminium. Technopolymer impeller and tempered stainless steel driving shaft mounted on graphite brushings lubricated by the pumped liquid itself. Flanged vents, (threaded series A), provided with threaded connectors for controlling gauges. Stainless steel protective rotor sleeve, stator sleeve and closing flange. Ceramic thrust bearing, E.P.D.M. “O” rings and brass air outlet cap. The two-pole asynchronous motor with wet rotors designed for three-speed operation, single-phase version, for two-speed operation, for three-phase version. Thermal overload protection incorporated in the single phase version. In the twin version an automatic clapet type valve and blank flange are provided.
Operating range: from 1 to 12 m3/h with head up to 8 metres.
Liquid temperature range: from -10°C to +110°C.
Pumped liquid characteristics:clean, free from solids and mineral oils, not viscous, chemically neutral, close to the characteristics of water (max 30% glycol).
Maximum working pressure: 10 bar (1000 kPa ).
Protection level: IP 44
Insulation class: F
Cable grommet: PG 11
Installation: with motor axis horizontal.