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Home / Pumps / Pressure Boosters / DEFU M Duplex Pressure Booster, Frequency-Controlled
DEFU M Duplex Pressure Booster, Frequency-Controlled
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Herco Wassertechnik GmbH
Neckar, Germany
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Stainless steel (1.4301) duplex pressure boosting system, fully automatic, frequency controlled, non-self-priming, for particle-free water. The system maintains a highly consistent operating pressure selection despite fluctuating flow requirements because of frequency adjustment. The sophisticated control system prevents pressure surges in the system, allowing for sustained partial load operation across a wide flow range. Compared to unregulated systems, the system runs considerably more silently and energy-efficiently. With the programming device (a communication adapter for Android and iOS devices) that is optional, the set pressure can be changed. The second pump automatically turns on to provide twice the nominal flow rate in the event that the water usage rises.

Target pressure 4.0 bar
Operating pressure 0 – 10 bar
Protection class lP 44
Operating temperature 2 – 40 °C
Ambient temperature 5 – 40 °C
Conditions of use Typically particle-free water, non-aggressive, or non-explosive media without abrasive or long-fibered components. The pumped medium must not attack the pump materials chemically.

Utilization of DEFU M Duplex Pressure Booster
  1. Can be installed upstream or downstream of water softening, reverse osmosis, or other water treatment facilities. 
  2. It raises the water supply pipe's pressure to a constant amount.

Advantages of DEFU M Duplex Pressure Booster

  1. A30% decrease in energy consumption and operational expenses when compared to unregulated systems.
  2. By preventing system pressure surges, lower maintenance costs and a longer unit service life are achieved.
  3. Because of the frequency regulation, very silent operation.
  4. Operating frequency and voltage that are appropriate for nearly all global networks.
  5. Temperature control of the media is included.
  6. Class IE5, Energy Efficiency.
  7. Maximum operating dependability is enabled by the redundancy of the pumps and sensors.





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