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SD52 Submittal Drawing
For damper free area chart A click here * 2663 - Out-of-Airstream fire door
Adjustable aluminum airfoil blades oriented for 1 or 2 way airflow pattern
listed Fire-Resistance Diffuser * TVB - Thermal Vapor Blanket * Square collar Additional Drawings * 825 MA
Options * MAR - Mounting Angle Ring (sold in pairs - 2 needed
4" Horizontal/Vertical Mount Fire Damper 2634-6X6 T-Bar SD52 Submittal Drawingh3. 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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