Bladder-type CAV Damper is a mechanical constant airflow control device for HVAC ventilation systems. Relying on an integrated elastic bladder pressure compensation structure, it requires no external electric control power. It automatically stabilizes duct airflow under fluctuating static pressure. As a basic automatic control fitting for air dampers, its valve body is integrally fabricated from galvanized steel sheet. Available in round and square versions for ductwork, it suits general factories, laboratories, fume hoods and auxiliary clean ventilation. It provides a low-cost, power-free constant air volume solution.
Product Details
Product Advantages
1. The combined force of bladder and spring plate adjusts the blade opening angle to maintain constant airflow.
2. Available in square and round types.
3. Generally applied in HVAC buildings for scenarios with moderate air volume requirements.
Product Parameters

