This fire/smoke damper includes factory mounted actuator, stainless steel closure spring, UL fusible link, is made of galvanized steel, and it measures 18 inch width, 17¾ inch height, 16 inch length. This fire/smoke damper has one phase, and is 60 Hz.
Technical Specs
ItemFire/Smoke Damper
Number of Panels1
Overall Length16 in
For Duct ShapeSquare
Frame Material Thickness16 ga
Maximum Air Pressure4 in wg
Damper TypeDynamic
Nameplate Voltage24V DC
Closure Pressure Rating4 in wc
Closure Velocity Rating2,000 fpm
Free Area240.9 sq in
Switch ActionNormally Closed
Fusible Link Temperature350 Degrees F
Frame Less Flange324 sq in
Airflow DirectionHorizontal, Vertical
StandardsAMCA, CSFM, IBC, NFPA 80,90A,92,101 and 105, UL 555S
Maximum Temperature Rating350 Degrees F
For Air TypeEmergency Smoke
Blade Material Thickness16 ga
Frequency60 Hz
Damper ApplicationFire and Smoke
Overall Height17 3/4 in
Rough Opening ShapeSquare
Overall Width18 in
Blade MaterialGalvanized Steel
Rough Opening Width18 in
Maximum Air Velocity2,000 fpm
IncludesFactory Mounted Actuator, Stainless Steel Closure Spring, UL Fusible Link
Blade OrientationParallel Blades
Blade TypeV-Groove
Mounting PositionHorizontal, Vertical
ACMA Leakage Class2
Flange TypeHat Channel
Jamb Seal MaterialStainless Steel
Blade Seal MaterialSilicone
Phase1
Electrical ConnectionHardwired
Includes MotorMotor Included
Frame MaterialGalvanized Steel
Closure TypeMotorized
Country of OriginUnited States
(subject to change)