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| Item | Backdraft Damper/Wall Shutter |
|---|---|
| Action | Single Acting |
| Air Flow Direction | Horizontal |
| Blade Material | Aluminum |
| Blade Material Thickness | 26 ga. |
| Blade Orientation | Parallel Blades |
| Blade Seal Material | Felt |
| Blade Type | Flat Blade |
| Bushing Material | Stainless Steel |
| Closure Type | Gravity |
| Closure Velocity Rating | 2500 FPM |
| Counterbalanced | Yes |
| Damper Application | Backdraft |
| Damper Finish | Mill Finish |
| Damper Type | Static |
| Fits Fan Dia. | 18" |
| Flange Type | Rear Flange |
| Flange Width | 1 1/2" |
| For Use With | Vertical Mounted Exhaust Fans |
| Frame Depth | 2 1/2" |
| Frame Less Flange | 18 |
| Frame Material | Galvanized Steel |
| Frame Material Thickness | 20 ga. |
| Frame Opening A | 18" |
| Frame Opening B | 18" |
| Frame Opening Height | 18" |
| Frame Opening Width | 18" |
| Free Area | 2 sq. ft. |
| Includes | Prepunched Mounting Holes |
| Max. Velocity | 2500 FPM |
| Maximum Air Velocity | 2500 FPM |
|---|---|
| Maximum Ambient Temperature | 180°F |
| Maximum Pressure | 1 in. wc |
| Mounting Hole Di. | 1/4" |
| Mounting Hole Diameter | 1/4" |
| Mounting Hole Size | 9/32" x 1/2" |
| Mounting Location | Wall |
| Mounting Position | Vertical |
| Number Of Panels | 1 |
| Open Depth | 5 3/4" |
| Opening Required | 18 1/2" x 18 1/2" |
| Opening Type | Gravity |
| Overall Dia. | 21" |
| Overall Height | 21" |
| Overall Length | 5 3/4" |
| Overall Square | 21" |
| Overall Width | 21" |
| Rough Opening Diameter | 18 1/2" |
| Rough Opening Length | 18 1/2" |
| Rough Opening Shape | Square |
| Rough Opening Width | 18 1/2" |
| Series | 556 Series |
| Shutter Mounting Location | Wall |
| Shutter Mounting Position | Vertical |
| Shutter Opening Required | 18 1/2" x 18 1/2" |
| Shutter Overall Size | 21" x 21" |
| Single Acting/double Acting | Single Acting |
| Switch Action | NC |
| Tie-rod Material | Galvanized Steel Frame And Tie Rods |
| Type | Gravity Operated Single Panel |
| Height (cm) | 53.34 |
|---|---|
| Length (cm) | 14.6 |
| Width (cm) | 53.34 |
| HS Code | 8414901080 |
|---|---|
| Country Of Origin | US |
| Weight (kg) | 3.33 |
| Style | Model | Type | Blade Material | Mounting Location | Frame Depth | Max. Velocity | Number Of Panels | Opening Required | Fits Fan Dia. | Price (ex. VAT) | Cart |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | 1C055 | Gravity Operated Single Panel | Aluminum | Wall | 2 1/2" | 2500 FPM | 1 | 30 1/2" x 30 1/2" | 30" | $172.70 | |
| B | 1C209 | Double Panel Gravity Operated | Aluminum | Wall | 2 1/2" | 2500 FPM | 2 | 36 1/2" x 36 1/2" | 36" | $290.15 | |
| B | 1C210 | Double Panel Gravity Operated | Aluminum | Wall | 2 1/2" | 2500 FPM | 2 | 42 1/2" x 42 1/2" | 42" | $332.60 | |
| B | 1C211 | Double Panel Gravity Operated | Aluminum | Wall | 2 1/2" | 2500 FPM | 2 | 48 1/2" x 48 1/2" | 48" | $447.64 | |
| C | 1C742 | Gravity Operated Single Panel | Aluminum | Wall | 2 1/2" | 2500 FPM | 1 | 12 1/2" x 12 1/2" | 12" | $90.57 | |
| A | 1C743 | Gravity Operated Single Panel | Aluminum | - | 2 1/2" | 2500 FPM | 1 | 16 1/2" x 16 1/2" | 16" | $99.99 | |
| A | 1C745 | Gravity Operated Single Panel | Aluminum | - | 2 1/2" | 2500 FPM | 1 | 20 1/2" x 20 1/2" | 20" | $120.14 |
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