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Butterfly Dampers. Operations of a damper can be manual by a hand cord or electric by a motor. Allows for easy control of air quantity for balancing and airflow adjustment.
Vertical Discharge Cowl Jet Cap Read more. Its frame shape is a handicap in power plant work however where much ducting is rectangular. Specification Range Butterfly Damper Specification.
125mm Backdraft Damper.
Get In Touch Or Request A Quote. The fabricated range of Rotolok Butterfly Dampers are used extensively in the air and dust handling industries generally in fan systems. EFM butterfly dampers are available with simple blades structural blades thermally compensating blades and profiled blades. A special tight seal is obtained through the use of a damper ring which can minimise the passage of air when the damper is closed.