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  11. Square Fire/Smoke Damper, 7-3/4 In. H
Dayton Square Fire/Smoke Damper, 7-3/4 In. H 3HGJ3 - main

Square Fire/Smoke Damper, 7-3/4 In. H

  • Mfr # 3HGJ3

  • Zoro # G0690024

product price: $584.99
/ea
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Key Features

Mounting Type
Vertical/Horizontal
Actual Width
7 3/4 in
Includes
Factory Mounted Actuator; Stainless Steel Closure Spring; UL Fusible Link
Voltage
24 V
Depth
21 in
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Specifications

Product Information

MFR #
3HGJ3
Zoro #
G0690024
UPC #
190735289105
Country of Origin
Mexico

Dimensions

Actual Width
7 3/4 in
Depth
21 in
Actual Height
7 3/4 in
Nominal Duct Width
8 in
Nominal Duct Height
8 in
Rough Opening Width
8 in
Overall Width
8 in
Overall Height
7 3/4 in
Overall Length
21 in
Blade Material Thickness
16 ga
Frame Material Thickness
16 ga

Details

Item
7.75"H 21"L 8"W Motrzd Fire/Smoke Damper
Mounting Type
Vertical/Horizontal
Includes
Factory Mounted Actuator; Stainless Steel Closure Spring; UL Fusible Link
Voltage
24 V
Material
Galvanized Steel
Seals
Extruded Silicone Rubber Blade
Blade
16 ga
Damper Item
Motorized Fire/Smoke Damper
Fire Rated
1 1/2 hr
Free Area
35.3 sq in
Frame
16 ga
Damper Shape
Square
Pressure Differential Max.
4 in wg
Standards
AMCA; CSFM; IBC; NFPA 80,90A,92,101 and 105; UL 555S
Hz
60
Recommended Retaining Angle
Mfr. No. 2TGG5
Max. Velocity
2,000 fpm
Max. Temp.
350 Degrees F
Phase
1
Jamb Seal Material
Stainless Steel
Frequency
60 Hz
Airflow Direction
Horizontal; Vertical
Blade Material
Galvanized Steel
Switch Action
Normally Closed
Frame Less Flange
64 sq in
Number of Panels
1
Damper Application
Fire and Smoke
Blade Seal Material
Silicone
For Air Type
Emergency Smoke
Frame Material
Galvanized Steel
Blade Orientation
Parallel Blades
Closure Velocity Rating
2,000 fpm
Electrical Connection
Hardwired
Maximum Air Velocity
2000 fpm
ACMA Leakage Class
2
Closure Pressure Rating
4 in wc
For Duct Shape
Square
Flange Type
Hat Channel
Nameplate Voltage
24V AC
Includes Motor
Yes
Maximum Air Pressure
4 in wg
Blade Type
V-Groove
Closure Type
Motorized
Mounting Position
Horizontal; Vertical
Rough Opening Shape
Square
Maximum Temperature Rating
350 Degrees F
Fusible Link Temperature
350 Degrees F
Damper Type
Dynamic

Description

7.75 In.H 21 In.L 8 In.W Motrzd Fire/Smoke Damper, For Nominal Duct Diameter Not Applicable, Damper Application Fire and Smoke, Number of Panels 1, Overall Height 7 3/4 in, Overall Length 21 in, Rough Opening Shape Square, For Duct Shape Square, Overall Width 8 in, Frame Material Thickness 16 ga, Blade Material Galvanized Steel, Maximum Air Pressure 4 in wg, Overall Diameter Not Applicable, Rough Opening Width 8 in, Damper Type Dynamic, Maximum Air Velocity 2000 fpm, Nameplate Voltage 24V AC

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