4 1/4" Vertical Mount Fire Damper 2633-36X18 past 12 months 1550 Series Submittal

1550 Series Submittal

1x1 T-Bar (10" x 10" duct)

Performance Data With Opposed Blade Damper

91 Series Submittal

055 T6 extruded aluminum surface mount supply diffuser * Four air patterns: CB10 - one way

4 1/4" Vertical Mount Fire Damper 2633-36X18 past 12 months 1550 Series Submittalh3. 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