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Grundfos Redi-Flo3 Cutaway

Grundfos Redi-Flo3 Cutaway - Submersible Pump

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Redi-Flo3 Brochure
Redi-Flo3 Brochure
(24pg, 518KB)

Grundfos Redi-Flo3; Rugged by Design

Check ValveReliable Check Valves
Grundfos SQE-NE pump shave reliable built-in spring loaded check valves let you operate the pump in any position from vertical to horizontal.

Check ValveSQE-NE Rugged Design
Grundfos uses environmentally tough composite materials in the Redi-Flo3 pump, construction to give excellant wear/resistance in harsh conditions.  The SQ/SQE pump design uses "floating" impellers. Each impeller has its own tungsten carbide/ceramic bearing. This design and the high quality of materials make the pump very wear resistant, especially in sandy conditions.

Rugged DesignPermanent-Magnet Motor
The SQE-NE motors are based on a permanent-magnet rotor which produces high efficiency output within a wide load range. The high and flat efficiency curve of the permanent-magnet motor allows us to cover a wide power range with the same motor, as compared to conventional AC motors. For SQE-NE pumps, this means three motors to cover the horsepower range from 1/3 to 1.5 Hp.

Advanced ElectronicsAdvanced Electronics
By combining advanced electronics, permanent-magnet motors, and Grundfos' own micro-frequency converter, we are now able to control and communicate with pumps in ways never before possible. A few of the features that come out of this combination are Constant Pressure Control, Soft-Start and integrated Dry-Run Protection.

SQE-NE Features:

  • Dry Run Protection
  • Soft Start
  • Overload Protection
  • Variable Speed
  • Hi/Low Voltage Protection
  • Over Temperature Protection