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AT2

Class II, 3 Hour Single Thickness Blade Combination Fire-Smoke Damper
Horizontal or Vertical Mount, 250°F/350°F Rated, 3000 FPM Max Air Velocity, 4 in. w.g. Max Static Pressure

Quick Specs - Fire-Smoke Dampers

NameAT2
Specifier Name(s)AT2H250, AT2H350, AT2V250, AT2V350
AvaliabilityAvailable
Material OptionsGalvanized Steel
Fire Resistance Rating (hrs)3 hrs.
UL Leakage RatingUL Leakage Rating: Class II UL Leakage Rating: Class II
Blade TypeSingle Thickness Blade
Frame ShapeRectangular
Frame Construction5.5" Deep, x 16ga
Maximum Velocity (FPM)3000 fpm
Pressure Drop.06 in. w.g. @ 1000 fpm
Single Panel Product Max SizesW: 30"x H: 48", (Rectangular; Horizontal; 2000 FPM)
W: 36"x H: 30", (Rectangular 2; Horizontal; 2000 FPM)
Diameter: 28", (Round; Horizontal; 2000 FPM)
W: 28"x H: 46", (Oval; Horizontal; 2000 FPM)
W: 34"x H: 28", (Oval; Horizontal; 2000 FPM)
W: 36"x H: 48", (Rectangular; Vertical; 2000 FPM)
Diameter: 34", (Round; Vertical; 2000 FPM)
W: 34"x H: 46", (Oval; Vertical; 2000 FPM)
W: 36"x H: 36", (Rectangular; 3000 FPM)
Diameter: 34", (Round; 3000 FPM)
W: 34"x H: 34", (Oval; 3000 FPM)
Assembly Maximum Size(s)W: 60"x H: 48", (Rectangular; Horizontal; 2000 FPM)
Diameter: 47", (Round; Horizontal; 2000 FPM)
W: 58"x H: 47", (Oval; Horizontal; 2000 FPM)
W: 108"x H: 48", (Rectangular; Vertical; 2000 FPM)
Diameter: 46", (Round; Vertical; 2000 FPM)
W: 106"x H: 46", (Oval; Vertical; 2000 FPM)
W: 60"x H: 36", (Rectangular; Horizontal; 3000 FPM)
Diameter: 34", (Round; Horizontal; 3000 FPM)
W: 34"x H: 34", (Oval; Horizontal; 3000 FPM)
W: 108"x H: 36", (Rectangular; Vertical; 3000 FPM)
Diameter: 34", (Round; Vertical; 3000 FPM)
W: 106"x H: 34", (Oval; Vertical; 3000 FPM)

Detailed Specs

*For additional options/configurations see spec sheet or contact the factory.
*This info listed here is For Reference ONLY, Please Refer to the Submittal For Full Product Data

Product Submittal

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