Damper, Roof Mount - 4HX64
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Dayton
Damper, Roof Mount - 4HX64
14 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 2000 fpm, Overall Height 14 in, Rough Opening Diameter 12 1/2 in, Rough Opening Shape Square, Fits Fan Diameter 12 in, For Duct Shape Square, Free Area 0.7 sq ft, Overall Width 14 in, Frame Material Thickness 20 ga, Overall Length 4 1/2 in, Frame Depth 2 in, Rough Opening Length 11 1/2 in
- Country of Origin:
- United States
- Item:
- 14H-W 4.5"L Aluminum Backdraft Damper"
- Type:
- Roof Mount, Exhaust
- Damper Size (In.):
- 12 x 12
- Overall Size (In.):
- 14 x 14
- Outside Flange (In.):
- 14 x 14
- Flange Width (In.):
- 1 in
- Includes:
- Pre-Punched Conduit Hole Knock-Out; Felted Edges for Quiet Operation
- Max. Velocity (FPM):
- 2,000 fpm
- Use w/Dayton Ventilators:
- 4HZ32, 4HZ33, 4HZ36, 4HZ37, 4YC64-67, 4YC86
- Construction Material:
- Aluminum Blades, G-90 Galvanized Steel Frame, Nylon Bushings and Galvanized Steel Tie Rods., Stainless Steel Pivot Pins
- Overall Length:
- 4 1/2 in
- Overall Height:
- 14 in
- Overall Width:
- 14 in
- Frame Material:
- Galvanized Steel
- ACMA Leakage Class:
- Not Applicable
- Damper Type:
- Static
- Flange Type:
- Rear Flange
- Fusible Link Temperature:
- Not Applicable
- For Nominal Duct Diameter:
- Not Applicable
- Damper Application:
- Backdraft
- Number of Panels:
- 1
- Rough Opening Shape:
- Square
- Pressure Drop @ 1000 fpm (AMCA 5.2):
- Not Applicable
- Airflow Direction:
- Vertical
- Fits Fan Diameter:
- 12 in
- Flange Width:
- 1 in
- Free Area:
- 0.7 sq ft
- Counterbalanced:
- No
- Blade Orientation:
- Parallel Blades
- Frame Less Flange:
- 12
- Closure Velocity Rating:
- 2,000 fpm
- Switch Action:
- Normally Closed
- Frame Depth:
- 2 in
- Bushing Material:
- Nylon
- Single Acting/Double Acting:
- Single Acting
- Maximum Air Velocity:
- 2000 fpm
- Mounting Position:
- Horizontal
- Blade Type:
- Flat Blade
- Rough Opening Diameter:
- 12 1/2 in
- Overall Diameter:
- Not Applicable
- Blade Seal Material:
- Felt
- Frame Material Thickness:
- 20 ga
- Rough Opening Length:
- 11 1/2 in
- Blade Material:
- Aluminum
- Seal Material:
- Not Applicable
- Closure Type:
- Gravity
- Maximum Ambient Temperature:
- 180 Degrees F
- Rough Opening Width:
- 12.5 in
- For Fuel Type:
- Not Applicable
- Maximum Pressure:
- 1 in wc
- For Duct Shape:
- Square
- Package Quantity:
- 1
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Damper, Backdraft, Wall Mount, 19-3/4 In Sq - 5NKN4
Manufacturer: Dayton
MFR # 5NKN4
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