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