Product Specifications:

Item Motorized Fire/Smoke Damper
Acma Leakage Class Class 2
Actual Damper Sz. Dia. 11 7/8"
Airflow Direction Horizontal, Vertical
Blade 14 ga.
Blade Material Galvanized Steel
Blade Material Thickness 14 ga.
Blade Seal Material Silicone
Blade Type Butterfly
Closure Pressure Rating 4 in. wc
Closure Type Motorized
Closure Velocity Rating 3000 FPM
Damper Application Fire and Smoke
Damper Shape Round
Damper Type Dynamic
Depth 15 5/8"
Finish Galvanized
Fire Rated 1.5 hrs.
For Air Type Emergency Smoke
For Duct Shape Round
For Nominal Duct Diameter 12"
Frame 20 ga.
Frame Less Flange 113 sq. in.
Frame Material Galvanized Steel
Frame Material Thickness 20 ga.
Frame Thickness 20 ga.
Free Area 93.5 sq. in.
Frequency 60 Hz
Fusible Link Temperature 350°F
Includes Factory Mounted Actuator
Material Steel
Max. Air Velocity 3000 FPM
Max. Temp. 350°F
Max. Velocity 3000 FPM
Maximum Pressure 4 in. wg
Motor Included Yes
Mounting Position Horizontal, Vertical
Mounting Type Horizontal/Vertical
Nameplate Voltage 120V AC
Nominal Duct Dia. 12"
Overall Dia. 11 7/8"
Overall Height 11 7/8"
Overall Length 16"
Overall Width 15 5/8"
Phase 1
Pressure Differential Max. 4 in. wg
Pressure Differential Max. 4" wg
Pressure Drop @ 1000 Fpm 0.023 in. wg
Rough Opening Dia. 12"
Rough Opening Shape Round
Rough Opening Width 12"
Seals Extruded Silicone Rubber Blade
Shape Round
Switch Action NC

Shipping Info:

Ship weight (kg) 10.22
Ship height (cm)30.16
Ship length (cm)40.64
Ship width (cm)39.69
HS code8481809050
Country of OriginUS

Product Details:

    • Actual Damper Sz. Dia. (11-7/8")
    • Nominal Duct Dia. (12")

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DAYTON 3HGL7 Damper, Motorized, 11 7/8 Inch Actual Damper Dia., 120V, Round
€812.45 /unit