Projects & Installations Grundfos SQFlex Solar Pumping System May 13, 2021 Posted by Web Admin 30 Jun Type: Borehole Brands:Â Grundfos, Grundfos Africa and Canadian Solar Inc. Mounting Structure: Pole Ground Mounted Structure Destination: Bergrivier Municipality, Western Cape Year: 2020 Total head of 65 meter and pumping 2500 liters per hour.