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Damper, Roof Mount

  • Mfr # 4HX67

  • Zoro # G1847526

product price:  $95.79
/ea

Key Features

Type
Roof Mount, Exhaust
Damper Size (In.)
23 x 23
Overall Size (In.)
25 x 25
Use w/Dayton Ventilators
4HX85, 4HX86, 4HX96, 4HX97, 4HZ56, 4HZ57, 4YC50, 4YC51, 4YC76-77
Construction Material
Aluminum Blades, G-90 Galvanized Steel Frame, Nylon Bushings and Galvanized Steel Tie Rods., Stainless Steel Pivot Pins
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Specifications

Product Information

MFR #
4HX67
Zoro #
G1847526
UPC #
190735325919
Country of Origin
United States

Dimensions

Damper Size (In.)
23 x 23
Overall Size (In.)
25 x 25
Flange Width (In.)
1 in
Overall Width
25 in
Overall Length
4 1/2 in
Overall Height
25 in
Rough Opening Width
23.5 in
Frame Material Thickness
20 ga
Fits Fan Diameter
20 in
Flange Width
1 in
Rough Opening Diameter
23 1/2 in
Frame Depth
2 in
Rough Opening Length
22 1/2 in
Wire Rope Length
4 1/2 in

Details

Item
25"H-W 4.5"L Aluminum Backdraft Damper
Type
Roof Mount, Exhaust
Use w/Dayton Ventilators
4HX85, 4HX86, 4HX96, 4HX97, 4HZ56, 4HZ57, 4YC50, 4YC51, 4YC76-77
Construction Material
Aluminum Blades, G-90 Galvanized Steel Frame, Nylon Bushings and Galvanized Steel Tie Rods., Stainless Steel Pivot Pins
Max. Velocity (FPM)
2,250 fpm
Includes
Pre-Punched Conduit Hole Knock-Out; Felted Edges for Quiet Operation
Outside Flange (In.)
25 x 25
Blade Orientation
Parallel Blades
Damper Application
Backdraft
Free Area
2.9 sq ft
Single Acting/Double Acting
Single Acting
Maximum Ambient Temperature
180 Degrees F
Flange Type
Rear Flange
Bushing Material
Nylon
Damper Type
Static
Blade Material
Aluminum
Rough Opening Shape
Square
Frame Material
Galvanized Steel
For Duct Shape
Square
Blade Seal Material
Felt
Airflow Direction
Vertical
Closure Velocity Rating
2,250 fpm
Maximum Pressure
1 in wc
Maximum Air Velocity
2250 fpm
Closure Type
Gravity
Mounting Position
Horizontal
Blade Type
Flat Blade
Switch Action
Normally Closed
Counterbalanced
No
Number of Panels
1
Frame Less Flange
23

Description

25 In.H-W 4.5 In.L Aluminum Backdraft Damper, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Galvanized Steel, Number of Panels 1, Maximum Air Velocity 2250 fpm, Overall Height 25 in, Rough Opening Diameter 23 1/2 in, Rough Opening Shape Square, Fits Fan Diameter 20 in, For Duct Shape Square, Free Area 2.9 sq ft, Overall Width 25 in, Frame Material Thickness 20 ga, Overall Length 4 1/2 in, Frame Depth 2 in, Rough Opening Length 22 1/2 in

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