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Zinc plated steel closure spring
Standard Features * Stamped curved blades * Field adjustable for positive throws and control of face velocities * Provides uniform air distribution across ceiling or walls * Eight air patterns * All component parts
REVIT FILES Spiral Diffuser Radius Flush Mount Diffuser Single Deflection
Extruded aluminum frame with steel roll formed blades and steel multi-shutter damper
4 1/4" Vertical Mount Fire Damper 2633-36X14 Step Down Ceiling Diffuser Zinc plated steel closure springh3. 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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