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Interlocking steel roll-formed blades
450 Series Engineering/Performance Data
Fractional
1600 Series Submittal
855 Series Engineering/Performance Data
2" Round Vertical Mount Fire Damper 2549-26 Smoke-Fire Damper Interlocking steel roll-formed bladesh3. Standard Features * 1 1 2 hour rated fire damper * 2549 Round damper for vertical mount only. Available 4" thru 40" round. * 2550 Round Spring actuated (6) damper for vertical or horizontal mount. Available 4" thru 28" round. * UL and California State Fire Marshall approved * 2" thinline frame * Interlocking steel roll formed blade (3) with roll formed frames (1) * Blade lock (5) * Damper manufactured from corrosion tested galvanized mild steel (G
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