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Nystrom
SVG Series galvanized
steel vents are an automatic rooftop venting system, which releases
heat, smoke and noxious fumes during a fire. Each smoke vent
will open automatically when a fusible link inside the vent
reaches 165° F. Smoke vents are spring operated with shock
absorbers to slowly open against wind or snow load. Smoke vents
can be equipped to open electrically. The smoke vents are listed
by Underwriters Laboratories. |
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