• Pump body, impeller, cap and suction grid in technopolymer
• Motor, rotor shaft and screws in stainless steel
• Triple O-ring seal interposed with an oil precombustion chamber
• Continuous duty submersible asynchronous motor
• Stator fitted in an airtight stainless steel casing
• Rotor mounted on overdimensioned, greased-for-life ball bearings
• Built-in thermal and current overload protection and a capacitor permanently on in the single-
phase version