Fire Damper Properties
Blade Style
Fire Resistance Ratings
Air Performance Stats
Static Pressure
Air Velocity
Damper Sizing
Max Single Panel Size
Mount Orientation
Frame Type
Frame Shape
![](/tools\uss\Cesco Products\19 [Dynamic Fire Dampers]\01 [1.5 Hour Rated]\01 [15D]\thumb_Cesco - 15D.png)
Model: 15D
Frame Type: 4-7/8" x 22ga w/ Curtain Blade
Material: Galvanized Steel
Fire Resistance: 1.5 hrs
Max Velocity: 2000 fpm
4 in wg
Max Horizontal Panel Size: 24" x 24"
Max Vertical Panel Size: 36" x 36"
![](/tools\uss\Cesco Products\19 [Dynamic Fire Dampers]\01 [1.5 Hour Rated]\02 [15DF]\thumb_Cesco - 15DF.png)
Model: 15DF
Frame Type: 4-7/8" x 22ga w/ Thinline Curtain Blade
Material: Galvanized Steel
Fire Resistance: 1.5 hrs
Max Velocity: 2000 fpm
4 in wg
Max Horizontal Panel Size: N/A
Max Vertical Panel Size: 24" x 24"
![](/tools\uss\Cesco Products\19 [Dynamic Fire Dampers]\01 [1.5 Hour Rated]\03 [15DX]\thumb_Cesco - 15DX.png)
Model: 15DX
Frame Type: Integral 12" x 22ga w/ Curtain Blade
Material: Galvanized Steel
Fire Resistance: 1.5 hrs
Max Velocity: 2000 fpm
4 in wg
Max Horizontal Panel Size: 24" x 24"
Max Vertical Panel Size: 36" x 36"
![](/tools\uss\Cesco Products\19 [Dynamic Fire Dampers]\01 [1.5 Hour Rated]\04 [15MA]\thumb_Cesco - 15MA.png)
Model: 15MA
Frame Type: 5-1/2" x 16ga w/ Airfoil Blade
Material: Galvanized Steel
Fire Resistance: 1.5 hrs
Max Velocity: 2000 fpm
4 in wg
Max Horizontal Panel Size: 32" x 48"
Max Vertical Panel Size: 32" x 48"
![](/tools\uss\Cesco Products\19 [Dynamic Fire Dampers]\01 [1.5 Hour Rated]\05 [15MD]\thumb_Cesco - 15MD.png)
Model: 15MD
Frame Type: 5-1/2" x 16ga w/ Single Thickness (UVU) Blade
Material: Galvanized Steel
Fire Resistance: 1.5 hrs
Max Velocity: 2000 fpm
4 in wg
Max Horizontal Panel Size: 36" x 48"
Max Vertical Panel Size: 36" x 48"
![](/tools\uss\Cesco Products\19 [Dynamic Fire Dampers]\01 [1.5 Hour Rated]\06 [15MDSS]\thumb_Cesco - 15MDSS.png)
Model: 15MD(SS)
Frame Type: 5-1/2" x 16ga w/ Single Thickness (UVU) Blade
Material: Stainless Steel
Fire Resistance: 1.5 hrs
Max Velocity: 2000 fpm
4 in wg
Max Horizontal Panel Size: 24" x 24"
Max Vertical Panel Size: 36" x 32"
![](/tools\uss\Cesco Products\19 [Dynamic Fire Dampers]\02 [3 Hour Rated]\01 [30D]\thumb_Cesco - 30D.png)
Model: 30D
Frame Type: 4-7/8" x 22ga w/ Curtain Blade
Material: Galvanized Steel
Fire Resistance: 3.0 hrs
Max Velocity: 2000 fpm
4 in wg
Max Horizontal Panel Size: 24" x 24"
Max Vertical Panel Size: 36" x 36"
![](/tools\uss\Cesco Products\19 [Dynamic Fire Dampers]\02 [3 Hour Rated]\02 [30DX]\thumb_Cesco - 30DX.png)
Model: 30DX
Frame Type: Integral 12" x 22ga w/ Curtain Blade
Material: Galvanized Steel
Fire Resistance: 3.0 hrs
Max Velocity: 2000 fpm
4 in wg
Max Horizontal Panel Size: 24" x 24"
Max Vertical Panel Size: 36" x 36"
![](/tools\uss\Cesco Products\19 [Dynamic Fire Dampers]\02 [3 Hour Rated]\03 [30MA]\thumb_Cesco - 30MA.png)
Model: 30MA
Frame Type: 5-1/2" x 16ga w/ Airfoil Blade
Material: Galvanized Steel
Fire Resistance: 3.0 hrs
Max Velocity: 2000 fpm
4 in wg
Max Horizontal Panel Size: 30" x 48"
Max Vertical Panel Size: 60" x 36"
![](/tools\uss\Cesco Products\19 [Dynamic Fire Dampers]\02 [3 Hour Rated]\04 [30MD]\thumb_Cesco - 30MD.png)
Model: 30MD
Frame Type: 5-1/2" x 16ga w/ Single Thickness (UVU) Blade
Material: Galvanized Steel
Fire Resistance: 3.0 hrs
Max Velocity: 2000 fpm
4 in wg
Max Horizontal Panel Size: 30" x 48"
Max Vertical Panel Size: 36" x 48"
![](/tools\uss\Cesco Products\19 [Dynamic Fire Dampers]\01 [1.5 Hour Rated]\08 [R5]\thumb_Cesco - R5.png)
Model: R5
Frame Type: 16" x 20ga w/ True Round Single Thickness (UVU) Blade
Material: Galvanized Steel
Fire Resistance: 1.5 hrs
Max Velocity: 2000 fpm
4 in wg
Max Horizontal Panel Size: 24" dia.
Max Vertical Panel Size: 24" dia.
![](/tools\uss\Cesco Products\19 [Dynamic Fire Dampers]\01 [1.5 Hour Rated]\07 [S3]\thumb_Cesco - S3.png)
Model: S3
Frame Type: 4-1/2" x 20ga w/ True Round Curtain Blade
Material: Galvanized Steel
Fire Resistance: 1.5 hrs
Max Velocity: 3000 fpm
4 in wg
Max Horizontal Panel Size: 24" dia.
Max Vertical Panel Size: 24" dia.