round sound attenuttor

Designed to regulate and fine-tune airflow within round and spiral duct networks, our round volume dampers ensure efficient air balancing with minimal leakage and low operating resistance. Suitable for commercial, industrial, and residential applications, these dampers are manufactured with high-quality materials to provide long-term durability and corrosion resistance. Zamzam for Engineering Industries ensures precise fabrication, easy installation, and dependable airflow management in compliance with international HVAC standards—making our round volume dampers an essential component of effective ventilation systems.