Hydrogen Circulation Pump DQ20


  • Hydrogen circulation pump designed for 150-200 kW fuel cell system
  • Small volume
  • Large flow
  • High voltage rise
  • Stable performance
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Hydrogen Circulation Pump DQ20 – key features

  • Directional development of impeller flow channel, higher efficiency, can achieve greater voltage rise.
  • Controller integrated design, compact structure, compact size.
  • 24V design, reduce control requirements.
  • Large flow, low noise.
  • Electric machine potting enhances heat dissipation and sealing effect.
  • Impeller clearance is flexible and adjustable, and the flow rate is stable.
  • Bearings and other key components are oriented to match working conditions

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  • We have the right circulation pump for you. Fill out the contact vendor form to contact us.
Dimensions14 × 14 × 12.5 cm
Max Power (in kW)

Max Ambient Temperature (in °C)

Min Ambient Temperature (in °C)

Max Rotational Speed (in rpm)

Ingress Protection Rating

Max Operating Altitude (in m)

Max Volume Flow (in lpm)

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      Dongde Industrial Co., Ltd is a leading Chinese supplier for the hydrogen energy sector, heavily invested in R&D and a state of the art manufacturing facility for the production of Diaphragm Compressors and Hydrogen Fuel Cell BOP such as Hydrogen Circulation Pumps, Air Compressors for Hydrogen Fuel Cells.
      Dongde has more than 300 Chinese patents, thanks to the crew of engineers with 5 holding doctorate degrees, who have been working very closely with global leading players in the hydrogen energy sector.

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