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Triangle brand Optional Back Draft Damper for Agricultural Exhuast Fans (Bolt On)
IWS SERIES AUTOMATIC SHUTTERS
◆ May be used with belt or direct drive fans
◆ Opens automatically when fan is turned on and closes when air flow stops
◆ Frames are heavy-gauge galvanized steel with powder coat finish
◆ Extruded aluminum shutter blades attach with bronze bushings and steel fasteners.
This eliminates rust and corrosion, permitting continuous, smooth operation without lubrication
◆ Available for all PFG fans, Standard on SLW series fans
◆ Available for all PFG fans, Standard on SLW series fans
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INDUSTRIAL WALL SHUTTERS | |||||
|---|---|---|---|---|---|
| Model No. | For Fan Size | Outside Dimension | Inside Dimension | Depth | Ship Wt. |
| IWS 36 | 36" | 42⅜ X 42⅜ | 40" X 40" | 4" | 39 |
| IWS 42 | 42" | 48⅜ X 48⅜ | 46" X 46" | 4" | 44 |
| IWS 45 | 48" | 51⅜ X 51⅜ | 49" X 49" | 4" | 49 |
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