Costant air-flow rate units

Back to Regulation

The AT-RPR Series units are CAV rectangular section air-flow rates regulation boxes. These components are employed to give a constant air-flow independent from the pressure change of the pipe.

Technical data

  • Base between 150 mm and 600 mm
  • Height between 150 mm and 300 mm
  • Base between the value of the height H and the value of its double, 2H. (H ≤ B ≤ 2H)
  • Casing made from galvanised sheet steel
  • 30 mm thermal and acoustic insulation available on request
  • Fixing using 4 screws on 30mm flange
  • Mechanical control, independent from external supply
  • Value of calibrated air flow may be modified on site
  • On request, the control mechanism may be electrical or pneumatic
  • Working temperature range: -30 °C to + 100 °C
  • Air speed between 3 m/s and 9 m/s


AT-RPR Series




Technical Catalog