Static 1 1/2 Hour Rated Dampers

Static 1.5 Hour Rated Dampers

UL 555 Classified 1陆 hour fire rating

Building codes require fire dampers to maintain the fire-resistance ratings of walls, partitions, barriers, and floors when penetrated by ducts or other transfer openings. Static-rated-fire dampers used in HVAC systems automatically shut down in the event of a fire emergency. These are UL classified to standard 555 with fire-resistance rating of 1陆 hours.

FD-110

This damper has a 2³/鈧佲倖 inch (56 mm) narrowline frame for vertical or horizontal installation and temperature up to 212°F (100°C).

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FD-150

This damper has a 3¹¹/鈧佲倖 inch (94 mm) frame for vertical or horizontal installation and temperature up to 212°F (100°C).

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FD-150x Series

Integral sleeve (12 or 16 inches [305 or 406 mm]) for vertical or horizontal installation and temperature up to 212°F (100°C).

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OFD-150

Out-of-wall damper for vertical or horizontal installation and temperature up to 212°F (100°C).

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SSFD-150

This damper has a 3¹¹/鈧佲倖 inch frame (94 mm) with 304 stainless steel construction for vertical or horizontal installations and temperature up to 212°F (100°C).

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