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The Aldes CAR3-S Constant Airflow Regulator is a pressure independent balancing damper that automatically regulates airflow in duct systems to constant levels. The CAR3-S requires no electric or pneumatic power or sensors, and works solely off system pressure.

Unlike traditional manual dampers, the CAR3-S compensates for changes in duct pressure caused by stack effect, operable windows and doors, wind, loading filters, etc. The CAR3-S provides a low-cost solution to maintaining the correct airflow balance of ventilation systems, improving system performance and indoor air quality, which can provide significant savings on annual operating costs.
Unit of Measure

Specifications

Type

 Constant Airflow Regulator

Airflow Regulator Size

 4 in

Pressure Range

 Low-Pressure (0.12-1.2 in. w.g.)

Airflow Range

 15 to 85 cfm

Direction

 Supply

Dimensions

Nominal Duct Width

 12 in

Nominal Duct Height

 4 in

Length

 4.5 in

Features

N/A

  • Dual-side airflow adjustment dial and CFM indicator allows you to set or change the airflow quickly, in supply or exhaust applications, without removing the CAR3 from the duct.
  • Resin is enhanced with antimicrobial, anti-static, and flame retardant additives for increased safety and durability.
  • Each mounting plate is designed specifically to install the CAR3 in square or rectangular duct and features Aldes exclusive twistlock feature to secure CAR3 without use of gasket or adhesive.

Applications

N/A

  • Automatic balancing of square or rectangular duct.
  • Balance supply or exhaust/return duct in high-rise building.
  • Sized to fit inside standard square ducting, take-offs, and more.
  • New construction or retrofit.

Other Information

N/A

    Construction
    • CAR3 constructed of amorphous thermoplastic resin enhanced with antimicrobial, anti-static, and flame retardant additives to improve material performance, reduce need for maintenance, and increase safety.
    • CAR3 is UL 2043 safety classified and labeled for flame and smoke generation (File No. R39897).
    • Galvanized steel mounting plate with Aldes twistlock design.
    Maintenance

    The CAR3-S needs no maintenance when used in normal conditions. The addition of antimicrobial and anti-static additives in the material increases the longevity and reliability of the CAR3. There is no risk of dust deposit or obstruction because the CAR3 has no airways subject to clogging. If the intended application includes air heavily loaded with dust or grease, access to the CAR3 will be possible through the terminal device or with an access panel or door.

    Warranty

    Guaranteed for 7 years, from date of shipment, against all defects in material or workmanship, provided that the material has been installed and used under normal conditions. This warranty is limited to the repair or replacement of the material.