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Dampers above 80 square inches free area will be provided with blade insulation
Performance Data
floors and partitions with fire resistance ratings of 2 hours or less (for ceiling application
PERFORMANCE DATA CB-T Series Engineering/Performance Data
18" or 24" lengths * Soft White Options * Standard Color or Designer Color Finish available on this product
4 1/4" Vertical Mount Fire Damper 2633-34X34 Smoke-Fire Damper Dampers above 80 square inchesh3. Standard Features * 2633 Square or rectangular out of airstream fire damper for vertical mount only. * 2634 Square or rectangular Spring actuated (6) out of airstream fire damper for horizontal or vertical mount. * UL and California State Fire Marshall approved * 4 1 4" standard frame style * Maximum dimension 60w, 52h * Interlocking steel roll formed blade (3) with roll formed frames (1) * Blade lock (5) * Damper manufactured from corrosion
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