DDE

Discover our lineup of Grundfos DDE digital dosing pumps—advanced diaphragm units engineered for reliable chemical injection in water treatment, industrial processing, and municipal systems. At Pump‑Stop.com, we offer models such as the DDE 75‑6, 150‑4, 240‑2, and 375‑2, featuring variable-speed stepper motors, full-stroke diaphragm heads, and integrated deaeration and anti-cavitation protection. These pumps deliver precise flow control, support batch and pulse dosing, and include user-friendly LED displays and remote signal inputs for seamless integration. Ideal for applications like chlorination, pH adjustment, enzyme dosing, and scale prevention, DDE pumps combine durability with flexible operation. We also carry OEM accessories—check valves, pulsation dampeners, tubing, calibration cylinders, and signal cables—to ensure a complete dosing solution. Not sure which model or accessory matches your system? Our expert team is here to help guide you. Enjoy fast U.S. shipping and secure checkout with every order.