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.

CAR3-S
Unit of Measure
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Item #

Pressure Range

Airflow Range

Direction

Nominal Duct Width

Nominal Duct Height

CAR3-H5-SE-1212 N/A High-Pressure (0.4-2.8 in. w.g.) N/A 35 to 180 CFM N/A Exhaust N/A 12 in N/A 12 in
CAR3-H5-SS-0606 N/A High-Pressure (0.4-2.8 in. w.g.) N/A 35 to 180 CFM N/A Supply N/A 6 in N/A 6 in
CAR3-H5-SS-0608 N/A High-Pressure (0.4-2.8 in. w.g.) N/A 35 to 180 CFM N/A Supply N/A 6 in N/A 8 in
CAR3-H5-SS-0610 N/A High-Pressure (0.4-2.8 in. w.g.) N/A 35 to 180 CFM N/A Supply N/A 6 in N/A 10 in
CAR3-H5-SS-0612 N/A High-Pressure (0.4-2.8 in. w.g.) N/A 35 to 180 CFM N/A Supply N/A 6 in N/A 12 in
CAR3-H5-SS-0806 N/A High-Pressure (0.4-2.8 in. w.g.) N/A 35 to 180 CFM N/A Supply N/A 8 in N/A 6 in
CAR3-H5-SS-0808 N/A High-Pressure (0.4-2.8 in. w.g.) N/A 35 to 180 CFM N/A Supply N/A 8 in N/A 8 in
CAR3-H5-SS-0810 N/A High-Pressure (0.4-2.8 in. w.g.) N/A 35 to 180 CFM N/A Supply N/A 8 in N/A 10 in
CAR3-H5-SS-0812 N/A High-Pressure (0.4-2.8 in. w.g.) N/A 35 to 180 CFM N/A Supply N/A 8 in N/A 12 in
CAR3-H5-SS-1006 N/A High-Pressure (0.4-2.8 in. w.g.) N/A 35 to 180 CFM N/A Supply N/A 10 in N/A 6 in
CAR3-H5-SS-1008 N/A High-Pressure (0.4-2.8 in. w.g.) N/A 35 to 180 CFM N/A Supply N/A 10 in N/A 8 in
CAR3-H5-SS-1010 N/A High-Pressure (0.4-2.8 in. w.g.) N/A 35 to 180 CFM N/A Supply N/A 10 in N/A 10 in
CAR3-H5-SS-1012 N/A High-Pressure (0.4-2.8 in. w.g.) N/A 35 to 180 CFM N/A Supply N/A 10 in N/A 12 in
CAR3-H5-SS-1206 N/A High-Pressure (0.4-2.8 in. w.g.) N/A 35 to 180 CFM N/A Supply N/A 12 in N/A 6 in
CAR3-H5-SS-1208 N/A High-Pressure (0.4-2.8 in. w.g.) N/A 35 to 180 CFM N/A Supply N/A 12 in N/A 8 in
CAR3-H5-SS-1210 N/A High-Pressure (0.4-2.8 in. w.g.) N/A 35 to 180 CFM N/A Supply N/A 12 in N/A 10 in
CAR3-H5-SS-1212 N/A High-Pressure (0.4-2.8 in. w.g.) N/A 35 to 180 CFM N/A Supply N/A 12 in N/A 12 in
CAR3-H6-SE-0606 N/A High-Pressure (0.4-2.8 in. w.g.) N/A 45 to 260 CFM N/A Exhaust N/A 6 in N/A 6 in
CAR3-H6-SE-0608 N/A High-Pressure (0.4-2.8 in. w.g.) N/A 45 to 260 CFM N/A Exhaust N/A 6 in N/A 8 in
CAR3-H6-SE-0610 N/A High-Pressure (0.4-2.8 in. w.g.) N/A 45 to 260 CFM N/A Exhaust N/A 6 in N/A 10 in
CAR3-H6-SE-0612 N/A High-Pressure (0.4-2.8 in. w.g.) N/A 45 to 260 CFM N/A Exhaust N/A 6 in N/A 12 in
CAR3-H6-SE-0806 N/A High-Pressure (0.4-2.8 in. w.g.) N/A 45 to 260 CFM N/A Exhaust N/A 8 in N/A 6 in
CAR3-H6-SE-0808 N/A High-Pressure (0.4-2.8 in. w.g.) N/A 45 to 260 CFM N/A Exhaust N/A 8 in N/A 8 in
CAR3-H6-SE-0810 N/A High-Pressure (0.4-2.8 in. w.g.) N/A 45 to 260 CFM N/A Exhaust N/A 8 in N/A 10 in
CAR3-H6-SE-0812 N/A High-Pressure (0.4-2.8 in. w.g.) N/A 45 to 260 CFM N/A Exhaust N/A 8 in N/A 12 in
Unit of Measure
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