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Constant Air Volumes Collection

(3 Products)
CAV - Rectangular

CAV - Rectangular

Constant Air Volume Damper for rectangular duct mounting are designed to facilitate balancing of ventilation s...

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CAV – Circular

CAV – Circular

Constant Air Volume Damper for circular duct mounting are designed to facilitate balancing of ventilation syst...

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CAV – Motorised

CAV – Motorised

Constant Air Volume Damper with Differential Pressure Flow Grid Sensor fixed with modulating actuator to provi...

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Faqs?

Frequently Asked Questions

Everything you need to know about Constant Air Volumes.

A CAV damper automatically adjusts its blade position as duct pressure changes, helping maintain the preset airflow without continuous manual balancing.

Filter loading, duct changes, wind conditions, system modifications and pressure variations can affect airflow. A CAV damper compensates for these changes to keep airflow more consistent.

No. Air Master’s standard rectangular and circular CAV dampers operate mechanically using spring force and do not require an external power source.

The desired airflow is set using an adjustment knob with a graduated scale, allowing installers to select the required flow during commissioning.

A Motorised CAV is suitable when more precise airflow control, remote operation, monitoring or integration with building automation is required.

Yes. The motorised model can support 0–10 V controls and optional DDC controls with built-in BACnet for BMS integration.

Yes. Motorised CAV units can be factory calibrated according to the airflow requirements specified for the project.

The multi-point differential pressure sensor helps measure airflow accurately so the actuator can continuously regulate the damper and maintain the required air volume.

Yes. Thermal and acoustic insulation can be provided for rectangular and circular CAV dampers where additional temperature or noise control is required.

Rectangular CAVs are designed for rectangular ducts, Circular CAVs for round ducts, and Motorised CAVs for projects requiring automatic control, sensing or BMS integration.
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