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Fire Damper - 3 Hour - Static - Round Butterfly Blade - VFD-35R
Pottorff

Fire Damper - 3 Hour - Static - Round Butterfly Blade - VFD-35R

3 Hour - Static Fire Damper
Round Butterfly Blade

The VFD-35R fire damper employs round butterfly blades for point-of-origin control of fire in static HVAC systems. The VFD-35R may be installed in vertical walls or partitions with fire resistance ratings up to 4 hours.

Specification

  • Standard Construction

    Frame: 22 ga. (0.85) galvanized steel.

    Blades: 22 ga. (0.85) galvanized steel - round butterfly.

    Fire Closure Device: Fusible link.

    Fire Closure Temperature: 165oF (75oC)

    Minimum Size: 6" Ø (152 Ø)

    Maximum Size: 20" Ø (508 Ø)


    Ratings

    UL 555 Fire Resistance Rating: 3 hour (vertical)

    UL HNLN: Ventilation Duct Assemblies

Technical specification
  • Unique ref.Fire-Damper-3-Hour-Static-Round-Butterfly-Blade-VFD-35R
  • Product familyHVAC
  • Product groupFire-Smoke Dampers
  • TypeObject (single object)
  • Date of publishing2024-07-16
  • Edition number1
Links
Classification
  • BIMobject CategoryHVAC - Ductwork
  • Uniclass 2015 CodePr_65_65_24_29
  • Uniclass 2015 DescriptionFire and smoke dampers
  • CSI MasterFormat 2014 Code23 33 13.16
  • CSI MasterFormat 2014 TitleFire Dampers
  • OmniClass Number23-33 29 23
  • OmniClass TitleFire Dampers

Region availability

North America
Anguilla
Antigua and Barbuda
Aruba
Barbados
Belize
Bermuda
British Virgin Islands
Canada
Caribbean Netherlands
Cayman Islands
Collectivity of Saint Martin
Costa Rica
Cuba
Curaçao
Dominica
Dominican Republic
El Salvador
Greenland
Grenada
Guadeloupe
Guatemala
Haiti
Honduras
Jamaica
Martinique
Mexico
Montserrat
Nicaragua
Panama
Puerto Rico
Saint Kitts and Nevis
Saint Lucia
Saint Pierre and Miquelon
Saint Vincent and the Grenadines
Saint-Barthélemy
Sint Maarten
The Bahamas
Trinidad and Tobago
Turks and Caicos Islands
U.S. Virgin Islands
United States

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