FIRE DAMPERS Fir e dampers are fire protection products
used in heating, ventilation, and air conditioning ducts to prevent the spread of fire inside the ductwork through fire-resistance-rated walls and floors. Building codes require fire dampers wherever ducts or air transfer openings penetrate fire-rated walls and floors to maintain compartment integrity. These dampers are available in dynamic models for systems where fans will remain on during a fire and static models when the fans. are shut down during a fire.
FD-120 Dynamic Fire Damper
• 1½ to 3 Hour UL 555 Rating • Meets NFPA Standards • CSFM Listing
FD4D Curtain-Style Blade Fire Damper
Fire dampers with curtain-style blades are a cost-saving solution to dynamic or static fire control.
SMOKE DAMPERS Smoke dampers provide a positive shutoff of HVAC ducts to help prevent the spread of smoke through an air control system. Building codes require smoke dampers where ducts and air transfer openings penetrate smoke-rated walls and floors.
• Class I, II, and III UL 555S Ratings • Horizontal and Vertical Blade Models • Meets NFPA Standards • CSFM Listing
SD-121 Triple-V Blade Smoke Damper
SD-25R True Round Smoke Damper
Made with FlippingBook. PDF to flipbook with ease