Below are downloadable Rotoflo™ Curve cut sheets showing the TDH and GPM at set RPMs. Self-priming, valveless positive displacement pump – perfect for groundwater applications, including wellpoint dewatering. The Rotoflo™ simply is the best combination of reliability, low operating cost, rapid onsite repairs, flexibility and performance of any wellpoint pump on the market. Please note – All curves shown are water horsepower curves. Consult MWI for details.