Fire-Smoke Damper Properties
Blade Style
Fire Resistance Ratings
Temperature Ratings
Leakage Rating
Static Pressure
Air Velocity
Air Performance Stats
Damper Sizing
Max Single Panel Size
Mount Orientation
Actuator Closure Type
Frame Shape
![](/tools\uss\Air Balance\21 [Combination Fire-Smoke Dampers]\01 [1.5 Hour Rated]\11 [FA1]\thumb_Air Balance - FA1.png)
Model: FA1
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: 32" x 48"
Max Vertical Panel Size: 32" x 48"
![](/tools\uss\Air Balance\21 [Combination Fire-Smoke Dampers]\01 [1.5 Hour Rated]\14 [FA1GF]\thumb_Air Balance - FA1GF.png)
Model: FA1GF
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: 32" x 42"
Max Vertical Panel Size: 32" x 42"
![](/tools\uss\Air Balance\21 [Combination Fire-Smoke Dampers]\01 [1.5 Hour Rated]\12 [FA2]\thumb_Air Balance - FA2.png)
Model: FA2
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: 32" x 48"
Max Vertical Panel Size: 32" x 48"
![](/tools\uss\Air Balance\21 [Combination Fire-Smoke Dampers]\01 [1.5 Hour Rated]\15 [FA2GF]\thumb_Air Balance - FA2GF.png)
Model: FA2GF
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: 32" x 42"
Max Vertical Panel Size: 32" x 42"
![](/tools\uss\Air Balance\21 [Combination Fire-Smoke Dampers]\01 [1.5 Hour Rated]\13 [FA2M]\thumb_Air Balance - FA2M.png)
Model: FA2M
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: 24" x 24"
Max Vertical Panel Size: 24" x 24"
![](/tools\uss\Air Balance\21 [Combination Fire-Smoke Dampers]\01 [1.5 Hour Rated]\02 [FR1]\thumb_Air Balance - FR1.png)
Model: FR1
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\21 [Combination Fire-Smoke Dampers]\01 [1.5 Hour Rated]\03 [FR2]\thumb_Air Balance - FR2.png)
Model: FR2
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\21 [Combination Fire-Smoke Dampers]\01 [1.5 Hour Rated]\04 [FS1]\thumb_Air Balance - FS1.png)
Model: FS1
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\21 [Combination Fire-Smoke Dampers]\01 [1.5 Hour Rated]\06 [FS1SS]\thumb_Air Balance - FS1SS.png)
Model: FS1(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: 24" x 24"
Max Vertical Panel Size: 36" x 32"
![](/tools\uss\Air Balance\21 [Combination Fire-Smoke Dampers]\01 [1.5 Hour Rated]\09 [FS1GF]\thumb_Air Balance - FS1GF.png)
Model: FS1GF
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 42"
Max Vertical Panel Size: 36" x 42"
![](/tools\uss\Air Balance\21 [Combination Fire-Smoke Dampers]\01 [1.5 Hour Rated]\05 [FS2]\thumb_Air Balance - FS2.png)
Model: FS2
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\21 [Combination Fire-Smoke Dampers]\01 [1.5 Hour Rated]\07 [FS2SS]\thumb_Air Balance - FS2SS.png)
Model: FS2(SS)
Frame Type: 5-1/2" x 16ga w/ Single Thickness Blade
Material: Stainless Steel
Temperature Rating: 250°/350°
Max Velocity: 2000 fpm @
4 in wg
Max Horizontal Panel Size: 24" x 24"
Max Vertical Panel Size: 36" x 32"
![](/tools\uss\Air Balance\21 [Combination Fire-Smoke Dampers]\01 [1.5 Hour Rated]\08 [FS2C]\thumb_Air Balance - FS2C.png)
Model: FS2C
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: 24" x 24"
Max Vertical Panel Size: 24" x 24"
![](/tools\uss\Air Balance\21 [Combination Fire-Smoke Dampers]\01 [1.5 Hour Rated]\10 [FS2GF]\thumb_Air Balance - FS2GF.png)
Model: FS2GF
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: 32" x 42"
Max Vertical Panel Size: 32" x 42"
![](/tools\uss\Air Balance\21 [Combination Fire-Smoke Dampers]\02 [3 Hour Rated]\01 [FT1]\thumb_Air Balance - FT1.png)
Model: FT1
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: 30" x 48"
Max Vertical Panel Size: 36" x 48"
![](/tools\uss\Air Balance\21 [Combination Fire-Smoke Dampers]\02 [3 Hour Rated]\02 [FT2]\thumb_Air Balance - FT2.png)
Model: FT2
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: 30" x 48"
Max Vertical Panel Size: 36" x 48"
![](/tools\uss\Air Balance\21 [Combination Fire-Smoke Dampers]\01 [1.5 Hour Rated]\01 [RC]\thumb_Air Balance - RC.png)
Model: RC
Frame Type: 16" 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.
![](/tools\uss\Air Balance\21 [Combination Fire-Smoke Dampers]\02 [3 Hour Rated]\03 [TA1]\thumb_Air Balance - TA1.png)
Model: TA1
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: 30" x 48"
Max Vertical Panel Size: 30" x 48"
![](/tools\uss\Air Balance\21 [Combination Fire-Smoke Dampers]\02 [3 Hour Rated]\04 [TA2]\thumb_Air Balance - TA2.png)
Model: TA2
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: 30" x 48"
Max Vertical Panel Size: 30" x 48"
![](/tools\uss\Air Balance\21 [Combination Fire-Smoke Dampers]\02 [3 Hour Rated]\05 [TA2M]\thumb_Air Balance - TA2M.png)
Model: TA2M
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: 24" x 24"
Max Vertical Panel Size: 24" x 24"