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700MA Series Engineering/Performance Data
round collar only) * 830 OR - factory installed opposed radial damper (sizes 6"-14") * 830 FR - U
Heavy Duty Construction (1 1/2" frame depth utilized)
Standard Features * Heavy duty honeycomb construction * Blades run parallel to longest dimension given * Gym Grade - includes welded core and extra supports for heavy duty application * Mounting holes for sidewall and ceiling application * Recessed screwdriver operated opposed blade damper to control air volume for positive balance of system * Soft White Options * No mounting holes * Tamper Proof Screws * Standard Color
57% free area * 1307: 13/16" lattice opening
2" Vertical Mount Fire Damper 2501-16X6 past 12 months 700MA Series Engineering/Performance Datah3. Standard Features * 2501 Square or rectangular for vertical mount only. Maximum dimension 48w, 49h. * 2502 Square or rectangular spring actuated (6) for horizontal or vertical mount. Maximum dimension 41w, 36h. * UL and California State Fire Marshall approved * 2" thinline frame * Interlocking steel roll formed blade (3) with roll formed frames (1) * Blade lock (5) * Damper manufactured from corrosion tested galvanized mild steel (G 90) * Self
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