Discover our range of Grundfos DDA digital diaphragm dosing pumps—designed for reliable chemical injection in water treatment, industrial processes, and municipal systems. At Pump‑Stop.com, we offer popular models like the DDA 30‑4, 60‑10, 120‑7, and 200‑4, featuring variable-speed stepper motors, full-stroke dosing heads, integrated deaeration valves, and intuitive LC displays for easy setup. These pumps deliver smooth, continuous chemical feed and include advanced intelligence such as FlowControl, pulse and batch dosing, plus analog and fieldbus controls. Compatible OEM accessories—like check valves, pulsation dampeners, calibration cylinders, and signal cables—are also available to complete your system. Built for accuracy, low maintenance, and durability, these DDA units handle viscous or degassing media with ease. Not sure which model fits your needs? Our expert team is standing by to help. Enjoy fast U.S. shipping and secure checkout with every order.
