This is the SPE 800S400-1, a multi-stage, speed-regulated submersible pump designed for raw water supply, groundwater lowering, and pressure boosting. It is intended for pumping clean, thin, non-aggressive liquids free of solid particles or fibers. The entire pump is constructed from stainless steel (DIN W.-Nr. EN 1.4301) and can be installed both horizontally and vertically. It features a built-in non-return valve. The motor is a 3-phase, high-efficiency synchronous permanent magnet submersible motor (canned type). All parts of the motor that contact the pumped liquid are made of stainless steel. This IPM (Internal Permanent Magnet) motor has embedded magnets in the metal-clad rotor and requires a frequency drive for starting and speed regulation.
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