Model FSD-125R 1-½ hour • UL class 1 - combination fire smoke damper round blade

Application

The FSD-125R 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. The FSD-125R, standard construction, is qualified to 2000 fpm (10.2 m/s) and 4 in. wg. (1.0 kPa) at 250° F (121°C). Optional construction is qualified to 3000 fpm (15.3 m/s) and 4 in.wg. (1.0 kPa) at 350° F (177°C) and may be installed in vertical walls or partitions, or horizontally in floors or assemblies with fire resistance ratings up to 2 hours.

Documents

Product Sheets

FSD-125R

CSI Specifications

FSD-125R

CAD Drawings

FSD-125R-DWG
FSD-125R-PDF

Installation Instructions

Design I503
FSD-125R
Operation and Maintenance

Accessories

Auxiliary Switch Unit
DRS-30
HS-10
PI-50 - dual position indicator switch
RCP-1
RCP-1M
FSD-125R

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