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75 Series — 1.5 hour Series Horizontal Fire Damper

75 Series — 1.5 hour Series Horizontal Fire Damper

75 Series 1.5-Hour Fire Damper

  • Roll-formed 22-gauge galvanized frame
  • Roll-formed 22-gauge galvanized blades
  • Available in stainless steel
  • Stainless steel closure spring (horizontal models only)
  • Available in vertical (V) or horizontal (H) models
  • Available in both single and multiple unit sizes
  • Minimum width 6"
  • Maximum single unit size (damper)
    Vertical: 60" x 60" Horizontal: 60" x 60"
  • Maximum multiple unit size (damper) Vertical: 120" x 120" Horizontal: 102" x 60"
  • UL-listed, curtain-style fire damper for static systems
  • Tested to UL 555, File R16475
  • Meets NFPA 90A requirements
  • Listed with California State Fire Marshall, Listing 3225-1577:100