Designed for mechanical or digital control, you can rely on Grundfos diaphragm pumps to provide the accuracy, durability and reliability you need in dosing chemicals in general water treatment and industrial process applications. All models feature corrosion-resistant PVC for the pump bodies and dosing heads, EPDM diaphragms and ceramic valve ball. They are also supplied with complete installation kits including foot valve with strainer, injector valve, 2m PVC suction hose and 6m PE delivery hose.
KNOW MORE ABOUT GRUNDFOS DIAPHRAGM SERIES
Precise and easy setting
Unique dosing technology
Compact design saves money and space
Accessories enhance operation of the entire system
Smooth and low-pulsation dosing
Carefully selected materials for reliability and longevity
We customise pumps according to your specific application. Get in touch with us today to get a complete list of your options.
Grundfos diaphragm pumps are reliable positive displacement pumps which utilize two flexible diaphragms that reciprocate back and forth, creating a temporary chamber, which both draws in and expels fluid through the pump.
When the diaphragm flexes, the pressure inside the pump lowers, which draws in fluid. Depending on the model, the diaphragm uses different methods to flex. When the diaphragm is flexed back, the liquid is forced out of the pump the other way, and in so continues to draw in and expel the liquid being pumped. The diaphragms work as a separation wall between the air and the liquid. Many diaphragm pumps will include check valves to keep the liquid from flowing backwards in the pump.
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