Smoke Leakage Class II Galvanized Steel Fire/Smoke Damper

This damper automatically closes upon loss of power, and is controlled by a smoke detection system.
Construction & Performance Requirements Met Underwriters Laboratories, Inc. (UL): Standard 555S, National Fire Protection Association Standards 80 and 90A, ICC's International Building Code, California State Fire Marshall Listing #3225-1328:119
Quick SpecsDepth: 5�"
  • Orientation: Vertical or Horizontal
  • Frame Material: 16 ga. Galvanized Steel
  • Frame Type: Hat Channel
  • Blade Material: 16 ga. Galvanized Steel
  • Blade Action: Parallel
  • Blade Seals: Silicone
  • Jamb Seals: Stainless Steel
  • Actuator: EHRD/PHRD
  • UL Classified: 1� Hour Fire Resistance
  • Smoke Leakage Resistance Class II
  • 250�F or 350�F
  • Approved for Dual Direction Airflow
  • Approved for Dynamic Conditions
  • AMCA: Tested and Certified to standard 511
  • Max Differential Pressure: 4 in. wg.
  • Max Velocity: 2000/3000 FPM



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