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The constant volume regulator is an element placed inside the duct in order to obtain a constant flow within a pressure range from 50 to 250 Pascals.

It is used in air conditioning or ventilation systems either in extraction or blowing mode.

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Unit of Measure
Items
80 Millimeter (mm) Diameter and 15 to 50 Cubic Meter Per Hour (m³/h) Constant Volume Regulator (CVR)

3 inch Diameter and 10 to 30 CFM Constant Volume Regulator (CVR)
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100 Millimeter (mm) Diameter and 15 to 50 Cubic Meter Per Hour (m³/h) Constant Volume Regulator (CVR)

4 inch Diameter and 10 to 30 Constant Volume Regulator (CVR)
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100 Millimeter (mm) Diameter and 50 to 100 Cubic Meter Per Hour (m³/h) Constant Volume Regulator (CVR)

4 inch Diameter and 30 to 60 Constant Volume Regulator (CVR)
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125 Millimeter (mm) Diameter and 15 to 50 Cubic Meter Per Hour (m³/h) Constant Volume Regulator (CVR)

5 inch Diameter and 10 to 30 CFM Constant Volume Regulator (CVR)
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125 Millimeter (mm) Diameter and 50 to 100 Cubic Meter Per Hour (m³/h) Constant Volume Regulator (CVR)

5 inch Diameter and 30 to 60 CFM Constant Volume Regulator (CVR)
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Description N/A

The constant volume regulator is an element placed inside the duct in order to obtain a constant flow within a pressure range from 50 to 250 Pascals.

It is used in air conditioning or ventilation systems either in extraction or blowing mode.
Regulator Diameter N/A 3 Inch N/A 4 Inch N/A 4 Inch N/A 5 Inch N/A 5 Inch
Setting N/A RDR Ø 80 N/A RDR Ø 80 + 1 cale N/A RDR Ø 100 N/A RDR Ø 80 + 2 cales N/A RDR Ø 100 + 1 cale
Flow Range N/A 10 to 30 cfm/W N/A 15 to 50 m³/h N/A 50 to 100 m³/h N/A 15 to 50 m³/h N/A 50 to 100 m³/h
Set Flow N/A 50 m³/h N/A 50 m³/h N/A 100 m³/h N/A 50 m³/h N/A 100 m³/h
Maximum Temperature N/A 60 ºC
Material N/A

Plastic (Classified M1)
Dimension D1 N/A 76 mm N/A 96 mm N/A 96 mm N/A 120 mm N/A 120 mm
Dimension D2 N/A 76 mm N/A 93 mm N/A 93 mm N/A 117 mm N/A 117 mm
Dimension L N/A 55 mm N/A 70 mm N/A 70 mm N/A 86 mm N/A 86 mm
Components N/A Air Flow Setting Cale (According to the Air Flow) Piece of Regulation Regulator Casing Screw to Fix the Air Flow Sleave with Lip Seal
Intermediary Step N/A 2.5 m³/h N/A 5 m³/h N/A 5 m³/h N/A 5 m³/h N/A 5 m³/h
Sound Power Level at 15 Cubic Meter Per Hour (m³/h) Flow and 50 Pascal (Pa) Pressure N/A 25 dBA N/A 25 dBA N/A N/A 25 dBA N/A
Sound Power Level at 15 Cubic Meter Per Hour (m³/h) Flow and 100 Pascal (Pa) Pressure N/A 29 dBA N/A 29 dBA N/A N/A 29 dBA N/A
Sound Power Level at 15 Cubic Meter Per Hour (m³/h) Flow and 150 Pascal (Pa) Pressure N/A 32 dBA N/A 32 dBA N/A N/A 32 dBA N/A
Sound Power Level at 15 Cubic Meter Per Hour (m³/h) Flow and 200 Pascal (Pa) Pressure N/A 35 dBA N/A 35 dBA N/A N/A 35 dBA N/A
Sound Power Level at 30 Cubic Meter Per Hour (m³/h) Flow and 50 Pascal (Pa) Pressure N/A 26 dBA N/A 26 dBA N/A N/A 26 dBA N/A
Sound Power Level at 30 Cubic Meter Per Hour (m³/h) Flow and 100 Pascal (Pa) Pressure N/A 31 dBA N/A 31 dBA N/A N/A 31 dBA N/A
Sound Power Level at 30 Cubic Meter Per Hour (m³/h) Flow and 150 Pascal (Pa) Pressure N/A 35 dBA N/A 35 dBA N/A N/A 35 dBA N/A
Sound Power Level at 30 Cubic Meter Per Hour (m³/h) Flow and 200 Pascal (Pa) Pressure N/A 38 dBA N/A 38 dBA N/A N/A 38 dBA N/A
Sound Power Level at 45 Cubic Meter Per Hour (m³/h) Flow and 50 Pascal (Pa) Pressure N/A 27 dBA N/A 27 dBA N/A N/A 27 dBA N/A
Sound Power Level at 45 Cubic Meter Per Hour (m³/h) Flow and 100 Pascal (Pa) Pressure N/A 33 dBA N/A 33 dBA N/A N/A 33 dBA N/A
Sound Power Level at 45 Cubic Meter Per Hour (m³/h) Flow and 150 Pascal (Pa) Pressure N/A 36 dBA N/A 36 dBA N/A N/A 36 dBA N/A
Sound Power Level at 45 Cubic Meter Per Hour (m³/h) Flow and 200 Pascal (Pa) Pressure N/A 39 dBA N/A 39 dBA N/A N/A 39 dBA N/A
Sound Power Level at 50 Cubic Meter Per Hour (m³/h) Flow and 50 Pascal (Pa) Pressure N/A 32 dBA N/A 32 dBA N/A N/A 32 dBA N/A
Sound Power Level at 50 Cubic Meter Per Hour (m³/h) Flow and 100 Pascal (Pa) Pressure N/A 37 dBA N/A 37 dBA N/A N/A 37 dBA N/A
Sound Power Level at 50 Cubic Meter Per Hour (m³/h) Flow and 150 Pascal (Pa) Pressure N/A 39 dBA N/A 39 dBA N/A N/A 39 dBA N/A
Sound Power Level at 50 Cubic Meter Per Hour (m³/h) Flow and 200 Pascal (Pa) Pressure N/A 42 dBA N/A 42 dBA N/A N/A 42 dBA N/A
Sound Power Level at 60 Cubic Meter Per Hour (m³/h) Flow and 50 Pascal (Pa) Pressure N/A N/A N/A 32 dBA N/A N/A 32 dBA
Sound Power Level at 60 Cubic Meter Per Hour (m³/h) Flow and 100 Pascal (Pa) Pressure N/A N/A N/A 37 dBA N/A N/A 37 dBA
Sound Power Level at 60 Cubic Meter Per Hour (m³/h) Flow and 150 Pascal (Pa) Pressure N/A N/A N/A 39 dBA N/A N/A 39 dBA
Sound Power Level at 60 Cubic Meter Per Hour (m³/h) Flow and 200 Pascal (Pa) Pressure N/A N/A N/A 42 dBA N/A N/A 42 dBA
Sound Power Level at 75 Cubic Meter Per Hour (m³/h) Flow and 50 Pascal (Pa) Pressure N/A N/A N/A 32 dBA N/A N/A 32 dBA
Sound Power Level at 75 Cubic Meter Per Hour (m³/h) Flow and 100 Pascal (Pa) Pressure N/A N/A N/A 37 dBA N/A N/A 37 dBA
Sound Power Level at 75 Cubic Meter Per Hour (m³/h) Flow and 150 Pascal (Pa) Pressure N/A N/A N/A 40 dBA N/A N/A 40 dBA
Sound Power Level at 75 Cubic Meter Per Hour (m³/h) Flow and 200 Pascal (Pa) Pressure N/A N/A N/A 42 dBA N/A N/A 42 dBA
Sound Power Level at 90 Cubic Meter Per Hour (m³/h) Flow and 50 Pascal (Pa) Pressure N/A N/A N/A 32 dBA N/A N/A 32 dBA
Sound Power Level at 90 Cubic Meter Per Hour (m³/h) Flow and 100 Pascal (Pa) Pressure N/A N/A N/A 38 dBA N/A N/A 38 dBA
Sound Power Level at 90 Cubic Meter Per Hour (m³/h) Flow and 150 Pascal (Pa) Pressure N/A N/A N/A 41 dBA N/A N/A 41 dBA
Sound Power Level at 90 Cubic Meter Per Hour (m³/h) Flow and 200 Pascal (Pa) Pressure N/A N/A N/A 44 dBA N/A N/A 44 dBA
Sound Power Level at 120 Cubic Meter Per Hour (m³/h) Flow and 50 Pascal (Pa) Pressure N/A
Sound Power Level at 120 Cubic Meter Per Hour (m³/h) Flow and 100 Pascal (Pa) Pressure N/A
Sound Power Level at 120 Cubic Meter Per Hour (m³/h) Flow and 150 Pascal (Pa) Pressure N/A
Sound Power Level at 120 Cubic Meter Per Hour (m³/h) Flow and 200 Pascal (Pa) Pressure N/A
Sound Power Level at 150 Cubic Meter Per Hour (m³/h) Flow and 50 Pascal (Pa) Pressure N/A
Sound Power Level at 150 Cubic Meter Per Hour (m³/h) Flow and 100 Pascal (Pa) Pressure N/A
Sound Power Level at 150 Cubic Meter Per Hour (m³/h) Flow and 150 Pascal (Pa) Pressure N/A
Sound Power Level at 150 Cubic Meter Per Hour (m³/h) Flow and 200 Pascal (Pa) Pressure N/A
Sound Power Level at 180 Cubic Meter Per Hour (m³/h) Flow and 50 Pascal (Pa) Pressure N/A
Sound Power Level at 180 Cubic Meter Per Hour (m³/h) Flow and 100 Pascal (Pa) Pressure N/A
Sound Power Level at 180 Cubic Meter Per Hour (m³/h) Flow and 150 Pascal (Pa) Pressure N/A
Sound Power Level at 180 Cubic Meter Per Hour (m³/h) Flow and 200 Pascal (Pa) Pressure N/A
Sound Power Level at 210 Cubic Meter Per Hour (m³/h) Flow and 50 Pascal (Pa) Pressure N/A
Sound Power Level at 210 Cubic Meter Per Hour (m³/h) Flow and 100 Pascal (Pa) Pressure N/A
Sound Power Level at 210 Cubic Meter Per Hour (m³/h) Flow and 150 Pascal (Pa) Pressure N/A
Sound Power Level at 210 Cubic Meter Per Hour (m³/h) Flow and 200 Pascal (Pa) Pressure N/A
Sound Power Level at 240 Cubic Meter Per Hour (m³/h) Flow and 50 Pascal (Pa) Pressure N/A
Sound Power Level at 240 Cubic Meter Per Hour (m³/h) Flow and 100 Pascal (Pa) Pressure N/A
Sound Power Level at 240 Cubic Meter Per Hour (m³/h) Flow and 150 Pascal (Pa) Pressure N/A
Sound Power Level at 240 Cubic Meter Per Hour (m³/h) Flow and 200 Pascal (Pa) Pressure N/A
Sound Power Level at 270 Cubic Meter Per Hour (m³/h) Flow and 50 Pascal (Pa) Pressure N/A
Sound Power Level at 270 Cubic Meter Per Hour (m³/h) Flow and 100 Pascal (Pa) Pressure N/A
Sound Power Level at 270 Cubic Meter Per Hour (m³/h) Flow and 150 Pascal (Pa) Pressure N/A
Sound Power Level at 270 Cubic Meter Per Hour (m³/h) Flow and 200 Pascal (Pa) Pressure N/A
Sound Power Level at 300 Cubic Meter Per Hour (m³/h) Flow and 50 Pascal (Pa) Pressure N/A
Sound Power Level at 300 Cubic Meter Per Hour (m³/h) Flow and 100 Pascal (Pa) Pressure N/A
Sound Power Level at 300 Cubic Meter Per Hour (m³/h) Flow and 150 Pascal (Pa) Pressure N/A
Sound Power Level at 300 Cubic Meter Per Hour (m³/h) Flow and 200 Pascal (Pa) Pressure N/A
Sound Power Level at 350 Cubic Meter Per Hour (m³/h) Flow and 50 Pascal (Pa) Pressure N/A
Sound Power Level at 350 Cubic Meter Per Hour (m³/h) Flow and 100 Pascal (Pa) Pressure N/A
Sound Power Level at 350 Cubic Meter Per Hour (m³/h) Flow and 150 Pascal (Pa) Pressure N/A
Sound Power Level at 350 Cubic Meter Per Hour (m³/h) Flow and 200 Pascal (Pa) Pressure N/A
Sound Power Level at 400 Cubic Meter Per Hour (m³/h) Flow and 50 Pascal (Pa) Pressure N/A
Sound Power Level at 400 Cubic Meter Per Hour (m³/h) Flow and 100 Pascal (Pa) Pressure N/A
Sound Power Level at 400 Cubic Meter Per Hour (m³/h) Flow and 150 Pascal (Pa) Pressure N/A
Sound Power Level at 400 Cubic Meter Per Hour (m³/h) Flow and 200 Pascal (Pa) Pressure N/A
Sound Power Level at 450 Cubic Meter Per Hour (m³/h) Flow and 50 Pascal (Pa) Pressure N/A
Sound Power Level at 450 Cubic Meter Per Hour (m³/h) Flow and 100 Pascal (Pa) Pressure N/A
Sound Power Level at 450 Cubic Meter Per Hour (m³/h) Flow and 150 Pascal (Pa) Pressure N/A
Sound Power Level at 450 Cubic Meter Per Hour (m³/h) Flow and 200 Pascal (Pa) Pressure N/A
Sound Power Level at 500 Cubic Meter Per Hour (m³/h) Flow and 50 Pascal (Pa) Pressure N/A
Sound Power Level at 500 Cubic Meter Per Hour (m³/h) Flow and 100 Pascal (Pa) Pressure N/A
Sound Power Level at 500 Cubic Meter Per Hour (m³/h) Flow and 150 Pascal (Pa) Pressure N/A
Sound Power Level at 500 Cubic Meter Per Hour (m³/h) Flow and 200 Pascal (Pa) Pressure N/A
Important N/A
  • Self-adjusting on the pressure range 50 to 250 Pa
  • Easy adjustment
  • The requested air flow is fixed by a screwdriver
  • Made in plastic material (classified Ml) and in galvanized steel for sleeves in 160 to 250 mm
  • Use with a maximum temperature of 60 °C
Presentation N/A

The self-adjusting flow regulator RDR can be adjusted on sites according to the requested air flow.

The marks on the sides of the opening indicate the settings.
Adjustment N/A

Before setting the regulator, it's necessary to calibrate the flow:

  • Unscrew of 1/4 tour with a screwdriver
  • Adjust the mark to the requested flow
  • Screw according to the air flow
Installation N/A

The flow regulators are simply fitted into vertical or horizontal ducts. On the horizontal duct, respect the mention «DOWN» indicated at the front of the product. A leap seal ensures the airtightness.

When the flow regulator is associated with a diffuser, the minimum distance between the diffuser and the regulator is at least one Ø in extraction mode and 3 Ø in blowing mode.

When installing, do not touch the piece of regulation.
Maintenance N/A

The flow regulator must remain accessible to permit its maintenance.
Characteristics N/A

The curves show the flow variations in m³/h of RDR Ø 150, 160 and 200 mm in extraction according to the difference of pressure in Pascal (pressure range of 50 to 250 Pa). The values given are averages which may vary of:

  • + or - 3 m³/h for Air Flow < 50 m³/h
  • + or - 5 % for Air Flow > 50 m³/h

Flow regulators are characterized by their noise level in dB(A).
Flow Range N/A 10-30 CFM N/A 10-30 CFM N/A 30-60 CFM N/A 10-30 CFM N/A 30-60 CFM
Set Flow N/A 30 CFM N/A 30 CFM N/A 60 CFM N/A 30 CFM N/A 60 CFM