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
Model: LA1
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"
Model: LA2
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"
Model: LA2M
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"
Model: MA1
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"
Model: MA1GF
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"
Model: MA2
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"
Model: MA2GF
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"
Model: MA2M
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"
Model: MR1
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"
Model: MR2
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"
Model: MS1
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"
Model: MS1(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"
Model: MS1GF
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"
Model: MS2
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"
Model: MS2(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"
Model: MS2C
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"
Model: MS2GF
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"
Model: MT1
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"
Model: MT2
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"
Model: RM
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.