The SPE 475S250-1 is a multi-stage, speed-regulated submersible pump utilized 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 is suitable for both horizontal and vertical installation. It also includes a built-in non-return valve. Power is supplied by 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 (Internal Permanent Magnet) motor, with embedded magnets in its metal-clad rotor, requires a frequency drive for both starting and speed regulation.
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