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MA19 1-1/2 Hr Rated Non-Motorized Dynamic Fire Damper

Product Name: MA19

1-1/2 Hr Rated Non-Motorized Dynamic Fire Damper

MA19 - 1½ Hour Rated Non-Motorized Airfoil Blade Fire Damper

Quick Specs:

  • Depth: 5½"
  • UL Classified: 1½ Hour Fire Resistance
  • Certifications: Underwriters Laboratories, Inc.: 555
  • National Fire Protection Association: 80 & 90A
  • ICC's International Building Code
  • Orientation: Vertical or Horizontal
  • Frame Material: 16 ga. Galvanized Steel
  • Frame Type: Hat Channel
  • Blade Material: 20 ga. Double-Skinned Galvanized Steel (equal to 14 ga.)
  • Blade Action: Parallel
  • Axles: Square, Plated Solid Steel Stub
  • Bearings: Oil Impregnated Bronze
  • Linkage: Jamb
  • Stops: 18 ga. Galvanized Steel at Head and Sill
  • Jamb Seals: Stainless Steel
  • Actuator: Non-Motorized Spring Closure Mechanism
  • Fusible Link: 165°F
  • Finish: Mill
  • Maximum Differential Pressure: 4 in. w.g.
  • Maximum Velocity: 2000 fpm (4000fpm through 32"W x 36"H)

*Dampers smaller than minimum frame size require transitions.

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