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DFD-110 : Dynamic Rated Fire Damper

DFD-110 : Dynamic Rated Fire Damper

Model DFD-110 is a dynamic-rated fire damper designed for installation in walls, floors, and partitions with fire-resistance ratings up to less than three hours. Featuring a 2-3/16 in. (56 mm) frame depth, it offers a compact profile for integration into tight wall assemblies. As a dynamic-rated damper, it is qualified for HVAC systems that remain operational during a fire event, providing reliable closure under airflow conditions and supporting code-compliant life safety performance.

Product Highlights

Application
Traditional In-Wall
Closure Rating
Dynamic
Fire Resistance Rating
1-1/2 Hour
Material
Galvanized Steel
Maximum Velocity (fpm)
4,000
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Features

Blades Closure Device Frame
Standard
Optional

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Product Details

Blade Type

Curtain

Certifications

UL 555 (Listing #R13317)

California State Fire Marshal (CSFM) Listing #3225-0981:0102

CAN/ULC S112 Classified Fire Damper

Closure Temperature Options (F)

165°F

212°F

286°F

Codes

International Building Code (IBC)

National Fire Protection Association (NFPA 80, 90A, and 101)

Maximum Velocity (fpm)

4,000

Documents

Drawings

Static Model File Type Action Type
Revit icon Revit .RFA eMail icon Request Drawing
3D CAD 3D CAD .DWG eMail icon Request Drawing
3D CAD 2D CAD .DWG

Drawing Supplements

Media

Horizontal Fire Smoke Damper in a Non-Concrete Barrier

Life Safety Damper Installation

UL 555 Damper Fire Test

UL 555 Duct Impact Test

UL 555 Three-Sided Retaining Angle Installation

UL Floor/Ceiling Design I503