Product Specifications:

Item Motorized Fire/Smoke Damper
Actual Height 7 3/4"
Actual Width 7 3/4"
Blade 16 ga.
Blade Material Thickness 16 ga.
Blade Orientation Parallel Blades
Blade Seal Material Silicone
Closure Type Motorized
Damper Shape Square
Damper Type Dynamic
Depth 21"
Finish Galvanized
Fire Rated 1.5 hrs.
Flange Type Hat Channel
For Air Type Emergency Smoke
For Duct Shape Square
Frame 16 ga.
Frame Material Thickness 16 ga.
Frame Thickness 16 ga.
Free Area 35.28 sq. in.
Includes Factory Mounted Actuator
Jamb Seal Material Stainless Steel
Material Steel
Max. Air Velocity 2000 FPM
Max. Temp. 350°F
Max. Velocity 2000 FPM
Motor Included Yes
Mounting Type Horizontal/Vertical
Nominal Duct Height 8"
Nominal Duct Width 8"
Overall Height 7 3/4"
Overall Length 21"
Overall Width 8"
Phase 1
Pressure Differential Max. 4" wg
Pressure Differential Max. 4 in. wg
Recommended Retaining Angle Mfr. No. 2TGG5
Rough Opening Shape Square
Rough Opening Width 8"
Seals Extruded Silicone Rubber Blade
Shape Square

Shipping Info:

Ship weight (kg) 11.63
Ship height (cm)19.69
Ship length (cm)53.34
Ship width (cm)20.32
HS code8481809050
Country of OriginUS

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DAYTON 3HGJ9 Square Fire/smoke Damper 7-3/4 Inch Width
€694.03 /unit