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: 165^oF (75^oC).
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

Product urlhttps://www.pottorff.com/product/details/69

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