5500 Fire-Tite UL Fire Dampers 3 Hour Rated

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STANDARD SPECIFICATIONS

  • MINIMUM SIZE: 4" x 4"
  • MAXIMUM DUCT OPENING SINGLE SECTION VERTICAL: 60" x 48"

NOTES

  1. Sizes shown are for Type "A" construction. Consult factory for Type "B", Type "C" and Type "CR".
  2. SPECIAL TYPES: The 5500 Fire Door is rated by Underwriters' Laboratories for installation in ducts passing through Class A openings. It can also be installed as a fire damper where upgrading of the fire damper rating is desirable.
  3. MATERIALS: Standard construction- galvanized steel.
    Specifications for all material per Underwriters Laboratories Standard for Safety UL555.
  4. UNDERWRITERS LABORATORIES: Labelled for use in sizes no larger than shown in U.L. Building Materials List in a 4 hour fire partition
  5. Meets N.F.P.A. 90A Requirements.
  6. Optional 304 Stainless Steel Construction Available.
  7. Optional 212°F Fusible Link Available.
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