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Fire Damper - 1-1/2 Hour - Round Blade - FD-125R
Pottorff

Fire Damper - 1-1/2 Hour - Round Blade - FD-125R

1-1/2 Hour - Fire Damper
Round Blade

The FD-125R fire damper employs a single round blade for point-of-origin control of fire in static and dynamic HVAC systems. This uniqye damper comes standard with mounting plates for interface to round or square openings in masonry, metal stud or wood stud assemblies and is ideal for all round duct applications. The FD-125R is qualified to 2,000 ft/min (10.2 m/s) and 4 in.wg. (1.0 kPa) and may be installed in vertical walls or partitions, or horizontally in floors or assemblies with fire resistance ratings up to 2 hours.

Specification

  • Standard Construction

    Sleeve/Frame: Integral 16" x 20 ga. (406 x 1.0) galvanized steel with reinforcing beads.

    Retaining Plates: Dual sided system suitable for round or square penetrations.

    Blade: 14 ga. (2.0) equivalent galvanized steel - round.

    Axles: 1/2" (13) diameter plated steel, D<8" (203), 3/4" (19), D≥8" (203).

    Linkage: In the air-stream.

    Bearings: Bronze oilite, sleeve-type.

    Fire Closure Device: Fusible link.

    Fire Closure Temperature: 165oF (75oC).

    Minimum Size: 6" Ø (152 Ø)

    Maximum Size: 24" Ø (610 Ø)


    Ratings

    UL 555 Fire Resistance Rating: 1-1/2 hour (vertical and horizontal)

    UL 555 Listing: R11767

    CSFM Listing: 3225-0368:112 and 3230-0368:113

    New York City MEA Listing: 295-98-E

    Meets NFPA Standards: 90A, 92A, 92B and 101

    Meets Building Code Standards: IBC, NBC, NFPA, SBC and UBC

Technical specification
  • Unique ref.Fire-Damper-1-1-2-Hour-Round-Blade-FD-125R
  • 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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