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Accurate dosing of chemicals is a crucial part of production processes in many different businesses.

From drinking water and wastewater treatment to industrial processing in the pharmaceutical, chemical, and food & beverage industries, dosing exactly the right amount of chemicals is important in order to reach process targets, and in order to lower operation costs while ensuring process safety and reliability.

Intelligent dosing pumps with high technology drive and adjustment mechanisms represent the ideal solution for increasingly complex dosing. They make life easier for users by keeping processes running precisely, reliably and cost-effectively.


  • The pumps are extremely easy to use thanks to the click wheel. The DDA and DDC models offer straightforward, intuitive navigation via a graphic LC display in more than 28 languages, allowing the user to set the required flow directly on the display in gph, ml/h, or l/h.
  • The large display indicates pump status by changing the back light color. This allows for quick and easy control of pump status.
  • The high turn down ratio significantly reduces the number of different models required.
  • All models have a universal mounting plate for all widespread mounting methods. The pump can quickly and easily be removed from the mounting plate.
  • The control cube can be mounted facing left, right, or straight ahead. Maximum flexibility is further ensured by a wide range of adjustment options and supply voltages (100-240 V, 50/60 Hz), and a hydraulic connection kit.
  • Optional E-box and CIU boxes enable SMART Digital pumps to be integrated – and even retrofitted – in common standard fieldbus networks.
  • The FlowControl system on the DDA prevents unwanted stoppages, even with variable process parameters such as fluctuations in system pressure.
  • The DDA provides an accurate diagnosis of the most common causes of faults that occur during dosing with diaphragm pumps. These faults are displayed in plain text in the alarm menu.
  • The AutoFlowAdapt feature ensures that the dosing process continues with the required flow, even when subject to external influences. When dosing degassing media, for example, motor control is automatically adjusted as soon as air bubbles are detected so that they can escape out of the dosing head. Fluctuating system backpressure no longer impacts the required flow, either – the stepper motor's speed regulation mechanism automatically compensates for deviations.
  • The integrated flow measurement feature of the DDA makes costly additional measuring equipment unnecessary. The currently measured flow is shown directly on the display and can be integrated in the control system via the analog output or bus protocol if necessary.


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