The PumpRight is a BLUEFLEX diaphragm system pump that has a hydraulic motor drive and a PWM variable speed control valve. The BLUEFLEX system has been designed and tested to achieve optimal performance, durability, and working life. It provides positive displacement that results in predictable output. The entire working range of the pump has a smooth, consistent output, is self-priming, run-dry, and has a maximum hydraulic oil use of 10 GPM with less than 600 PSI drop. It comes in four sizes; 15, 25, 35, and 55 GPM output.