Grundfos DDE (S)-PR Speed Controlled Diaphragm Dosing Pump

Product Code: N/A

Grundfos DDE (S)-PR Speed Controlled Diaphragm Dosing Pump

The smart digital DDE dosing pump from Grundfos has a variable speed drive ( Stepper motor) and intelligent electronics with minimum energy consumption. Control modes include manual and pulse with a remote on/off and an alarm output & low level warning output

The DDE is the cost-effective entry-level model with all the benefits of Digital Dosing such as a maximum turn-down ratio of 1:1000 and smooth, continuous dosing. This one model can replace a whole host of existing models with dosing rates ranging from 0.006 to 6 l/h. The rate is set using a logarithmic scale that runs from 0.1-100 %. The model’s straightforward pulse control, external stop function and empty level signal are ideal for basic OEM applications.

Smart Digital speed controlled dosing pumps:

  • 0.1 – 100% control adjustment scale knob
  • 1000:1 turndown ration
  • 100 – 240 V 50 / 60 Hz 1 phase 17 W motor IP65
  • Controls include: Manual & pulse with remote on / off
  • Click mounting plate for easy attachment
  • Empty & pre-empty chemical level input
  • Alarm output & low level warning output


  • Drinking water treatment
  • Waste water treatment
  • Pulp and paper industry
  • Textile industry
  • Cleaning water treatment
  • Food & Beverage industry, dairies
  • Cooling tower water treatment
  • Low-pressure boiler feed water treatment

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