On-Line Catalog : UL Rated Fire, Smoke and Ceiling Radiation Dampers > Smoke Dampers > True Round > Round > SD-25R
Model SD-25R UL class 1 - smoke damper round blade
Application
The SD-25R combination fire smoke damper employs a single round blade for point-of-origin control of fire and smoke in static and dynamic smoke management systems. This unique damper comes standard with mounting plates for interface to round or square openings in masonry, metal stud, or wood stud assemblies and is ideal for all round duct applications.
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