Averaging Pitot Tube, Large, DF44

Deltaflow Averaging Pitot Tube from Systec for Gas, Steam and Liquids

The deltaflow flow meter from Systec is a high specification insertion Pitot Tube. Systec holds several patents on the deltaflow technology.

Due to the special probe profile, the deltaflow flow meter can ensure a high level of precision and excellent process viability, even in extreme conditions causing the lowest residual pressure loss. The deltaflow flow meter is installed in several thousand locations.

Product summary


  • Gas
  • Steam
  • Liquids

Operating conditions:

  • -200 < 550 °C
  • 0..160 bar pure to extremely contaminated, aggressive
  • media EEx ia TRD
  • Accuracy: better 1%
  • Bi-directional, Measurement Range > 1:30
  • Certifications: Ex / ATEX / 3.1 / 2.2 / PED97/23/EG

Certificates required/ acceptances:

  • Germany's 13th and 17th BImSchV Federal Emission-Control Ordinances for moist, condensed, contaminated, aggressive flue gases.
  • Tested according to TRD for high-pressure steam and boiler feed water
  • PtB-proved accuracy of more than 1% of the measured value
  • Manufactured according to DIN EN ISO 9000:2001
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