The SPE 475S400-4 is a multi-stage, speed-regulated submersible pump used for raw water supply, groundwater lowering, and pressure boosting. It is designed to pump clean, thin, non-aggressive liquids that are free of solid particles or fibers. The pump is constructed entirely from Stainless steel (DIN W.-Nr. EN 1.4301) and features a built-in non-return valve. It is suitable for both horizontal and vertical installation. The motor is a 3-phase, high-efficiency synchronous permanent magnet submersible motor of the canned type. All motor surfaces in contact with the media are made of stainless steel. This IPM motor, which has embedded magnets in its metal-clad rotor, requires a frequency drive for both starting and speed regulation.
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