The Grundfos SQ Flex range of 316 stainless steel submersible pumps is made up of 11 models from the 0.6-2N through to the 11A-3N.   The selection of the most appropriate pump is based on the actual pump duty (the volume required at the pressure or head required).    All pump are fitted with a Grundfos MSF3 1400w motor.   Common features include:

• Dry running protection built in,
• High efficiency MSF3 motor with permanent magnets,
• Over and Under voltage protection,
• Overload protection,
• Over temperature protection,
• Maximum power point tracking,
• 30 - 300 V DC or 90 - 240V AC.
• To download the pump curve - click here

Grundfos SQFlex series helical rotor pump in cut-away view showing internal components

   Dry running protection probe located on the cable

To download the complete tech book, click here.