Smoke Damper Properties
Temperature Ratings
Leakage Rating
Actuator Closure Type
Frame Shape
Air Performance Stats
Static Pressure
Air Velocity
Damper Sizing
Max Single Panel Size
![](/tools\uss\Air Balance\22 [Smoke Dampers]\02 [Single Thickness Blade]\01 [S1]\thumb_Air Balance - S1.png)
Model: S1
Frame Type: 5-1/2" x 16ga w/ Single Thickness Blade
Material: Galvanized Steel
Temperature Rating: 250°
Max Velocity: 2000 fpm @
4 in wg
Max Horizontal Panel Size: 36" x 48"
Max Vertical Panel Size: 36" x 48"
![](/tools\uss\Air Balance\22 [Smoke Dampers]\02 [Single Thickness Blade]\02 [S1SS]\thumb_Air Balance - S1SS.png)
Model: S1(SS)
Frame Type: 5-1/2" x 16ga w/ Single Thickness Blade
Material: Stainless Steel
Temperature Rating: 250°
Max Velocity: 2000 fpm @
4 in wg
Max Horizontal Panel Size: 36" x 36"
Max Vertical Panel Size: 36" x 36"
![](/tools\uss\Air Balance\22 [Smoke Dampers]\02 [Single Thickness Blade]\03 [S2]\thumb_Air Balance - S2.png)
Model: S2
Frame Type: 5-1/2" x 16ga w/ Single Thickness Blade
Material: Galvanized Steel
Temperature Rating: 250°
Max Velocity: 2000 fpm @
4 in wg
Max Horizontal Panel Size: 36" x 48"
Max Vertical Panel Size: 36" x 48"
![](/tools\uss\Air Balance\22 [Smoke Dampers]\02 [Single Thickness Blade]\04 [S2SS]\thumb_Air Balance - S2SS.png)
Model: S2(SS)
Frame Type: 5-1/2" x 16ga w/ Single Thickness Blade
Material: Stainless Steel
Temperature Rating: 250°
Max Velocity: 2000 fpm @
4 in wg
Max Horizontal Panel Size: 36" x 36"
Max Vertical Panel Size: 36" x 36"
![](/tools\uss\Air Balance\22 [Smoke Dampers]\01 [Airfoil Blade]\01 [SA1]\thumb_Air Balance - SA1.png)
Model: SA1
Frame Type: 5-1/2" x 16ga w/ Airfoil Blade
Material: Galvanized Steel
Temperature Rating: 250°/350°
Max Velocity: 2000 fpm @
4 in wg
Max Horizontal Panel Size: 36" x 48"
Max Vertical Panel Size: 36" x 48"
![](/tools\uss\Air Balance\22 [Smoke Dampers]\01 [Airfoil Blade]\02 [SA2]\thumb_Air Balance - SA2.png)
Model: SA2
Frame Type: 5-1/2" x 16ga w/ Airfoil Blade
Material: Galvanized Steel
Temperature Rating: 250°/350°
Max Velocity: 2000 fpm @
4 in wg
Max Horizontal Panel Size: 36" x 48"
Max Vertical Panel Size: 36" x 48"
![](/tools\uss\Air Balance\22 [Smoke Dampers]\01 [Airfoil Blade]\03 [SA2M]\thumb_Air Balance - SA2M.png)
Model: SA2M
Frame Type: 5-1/2" x 16ga w/ Airfoil Blade
Material: Galvanized Steel
Temperature Rating: 250°
Max Velocity: 2000 fpm @
4 in wg
Max Horizontal Panel Size: 22" x 22"
Max Vertical Panel Size: 22" x 22"
![](/tools\uss\Air Balance\22 [Smoke Dampers]\02 [Single Thickness Blade]\05 [SR1]\thumb_Air Balance - SR1.png)
Model: SR1
Frame Type: 5-1/2" x 16ga w/ Single Thickness Blade
Material: Galvanized Steel
Temperature Rating: 250°/350°
Max Velocity: 2000 fpm @
4 in wg
Max Horizontal Panel Size: 24" x 24"
Max Vertical Panel Size: 24" x 24"
![](/tools\uss\Air Balance\22 [Smoke Dampers]\02 [Single Thickness Blade]\06 [SR2]\thumb_Air Balance - SR2.png)
Model: SR2
Frame Type: 5-1/2" x 16ga w/ Single Thickness Blade
Material: Galvanized Steel
Temperature Rating: 250°/350°
Max Velocity: 2000 fpm @
4 in wg
Max Horizontal Panel Size: 24" x 24"
Max Vertical Panel Size: 24" x 24"
![](/tools\uss\Air Balance\22 [Smoke Dampers]\03 [Round Blade]\01 [RS]\thumb_Air Balance - RS.png)
Model: RS
Frame Type: 18" x 20ga w/ True Round Blade
Material: Galvanized Steel
Temperature Rating: 250°/350°
Max Velocity: 2000 fpm @
4 in wg
Max Horizontal Panel Size: 24" dia.
Max Vertical Panel Size: 24" dia.