| Property | Value |
|---|---|
| Item | 23 |
| Shutter Mounting Position | Vertical |
| Shutter Mounting Location | Wall |
| Shutter Construction Material | Stainless Steel Frame and Tie Rods |
| Shutter Free Area | 2.281 sq ft |
| Shutter Opening Required | 20-1/2 in x 20-1/2 in |
| Shutter Overall Size | 23 in x 23 in |
| Fits Fan Dia. | 20 in |
| Blade Material | Stainless Steel |
| Max. Velocity | 2500 FPM |
| Mounting Hole Size | Prepunched |
| Frame Opening A | 20 in |
| Flange Width | 1 1/2 in |
| Open Depth | 5 3/4 in |
| Frame Opening B | 20 in |
| Shutter Item | Backdraft Damper / Wall Shutter |
| Frame Depth | 2 in |
| Shutter Overall Square | 23 |
| Number of Panels | 1 |
| For Use With | Vertical Mounted Exhaust Fans |
| Includes | Stainless Steel Frame; Louvers and Hardware For Superior Corrosion Resistance |
| Mounting Position | Vertical |
| Free Area | 2.4 sq ft |
| For Nominal Duct Diameter | Not Applicable |
| Bushing Material | Stainless Steel |
| Maximum Air Velocity | 2500 fpm |
| Blade Orientation | Parallel Blades |
| Frame Opening Height | 20 in |
| ACMA Leakage Class | Not Applicable |
| Maximum Ambient Temperature | 180 Degrees F |
| Frame Opening Width | 20 in |
| Fusible Link Temperature | Not Applicable |
| Airflow Direction | Horizontal |
| Switch Action | Normally Closed |
| Fits Fan Diameter | 20 in |
| Rough Opening Shape | Square |
| Frame Material Thickness | 0 in |
| Flange Type | Rear Flange |
| Frame Material | Stainless Steel |
| Frame Less Flange | 20 |
| For Duct Shape | Not Applicable |
| Rough Opening Width | 20.5 in |
| Counterbalanced | No |
| Single Acting/Double Acting | Single Acting |
| Maximum Pressure | 1 in wc |
| Rough Opening Length | 20 1/2 in |
| Rough Opening Diameter | 20 1/2 in |
| Damper Type | Static |
| Overall Height | 23 in |
| Damper Application | Backdraft |
| Overall Length | 5 1/4 in |
| Overall Diameter | 23 in |
| Blade Material Thickness | 0 ga |
| For Fuel Type | Not Applicable |
| Overall Width | 23 in |
| Tie-Rod Material | Stainless Steel Frame and Tie Rods |
| Connection Type | Not Applicable |
| Blade Seal Material | Felt |
| Blade Type | Flat Blade |
| Seal Material | Not Applicable |
| Closure Velocity Rating | 2,500 fpm |
| Pressure Drop @ 1000 fpm (AMCA 5.2) | Not Applicable |
| Closure Type | Gravity |
| Country of Origin (subject to change) | United States |
| Package Quantity | 1 |
20 in Backdraft Damper / Wall Shutter, 20-1/2 in x 20-1/2 in, Dayton, Mfr#: 4FZJ7
$211,14
Free shipping will be applied on orders over $50
23 In.H-W 5 1/4 In.L SS Backdraft Dampr, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Stainless Steel, Number of Panels 1, Maximum Air Velocity 2500 fpm, Overall Height 23 in, Rough Opening Diameter 20 1/2 in, Rough Opening Shape Square, Fits Fan Diameter 20 in, For Duct Shape Not Applicable, Free Area 2.4 sq ft, Overall Width 23 in, Frame Material Thickness 0 in, Overall Length 5 1/4 in, Connection Type Not Applicable, Frame Depth 2 in
9999 in stock
Must order in multiples of 1
Subtotal:
$211.14
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