The MBD series are galvanized steel dampers designed and built to provide a cost effective and reliable damper for reduced volume control. The MBD series is not intended for positive shut off or automatic operation; an ACD or SCD series control damper would be the appropriate choice in those applications.
Galvanized steel construction
Available in rectangular and true round models
Available with manual locking quadrants.
Single Blade Balancing Dampers in rectangular (PBD-20) & true-round (PBD-20RS)