Case Studies

Grundfos® Redi-Flo4®
Variable and Fixed Performance Pumps


Redi-Flo4 Variable Performance Pump

This is a rugged, heavy-duty pump designed to handle continuous operation in contaminated environments. When coupled with the Grundfos VFD controller, this pump makes an excellent sampling device.


  • 4" and up well diameter
  • Up to 524 foot head
  • 100 ml/min - 25 gal/min flow rates

Redi-Flo4 Fixed Performance Pump

This robust, heavy-duty pump comes in a wide variety of configurations to meet a range of remediation and pump out needs. No need for an external controller - simply install in well and attach power.


  • 4" and up well diameter
  • Up to 650 foot head
  • 5 - 25 gal/min flow rates
  • 1/2 - 2 h.p. motors available
  • 110/220/460 volt AC