WebThe VFD-10D-B is qualified to 4,000 ft/min (20.3 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. Standard Construction Frame: 22 ga. (0.85) galvanized steel. Blades: 24 ga. (0.7) galvanized steel - curtain style. WebThis installation instruction applies to Fire Dampers and Com-bination Fire/Smoke Dampers mounted outside the plane of an UL approved fire partition. Combination Fire /Smoke Dampers are approved for use in Static or Dynamic Systems. The dampers are designed for operation in the vertical or horizontal position with blades running horizontal.
GFSD-211, R12, August 2024 - Greenheck-USA
WebNov 11, 2024 · Installation of Fire Smoke Damper Within Wall Opening Duct-to-Sleeve Connections When dampers require a duct-to-sleeve connection, UL allows a rigid or breakaway connection. A rigid … WebThe F/S-AFM-OB-I & F/S-AFM-OB-3-I modulating fire/smoke dampers are UL listed for 1-1/2 hour and 3 hour ratings respectively. Class I leakage and the ability to double as a volume control damper as well as a fire/smoke damper make this a versatile, time and money saving product. peter brooks obituary
System Sensor 2D51 Manual Download fire alarm documents
WebFeb 18, 2010 · Securely Install the Damper into Wall or Ceiling. Using metal screws, secure the damper to the sleeve. If you have wood stud type construction you will need to make … WebModel GFSD-211 meets the requirements for fire dampers, smoke dampers and combination fire smoke dampers established by: National Fire Protection Association NFPA Standards 80, 90A, 92, 101, & 105 IBC International Building Codes CSFM California State Fire Marshal Fire Damper Listing (#3225-0981:0103) Leakage (Smoke) Damper … Web3. Clearance between the damper sleeve and the round or square wall opening shall be a minimum of 1/2” (13 mm) and a maximum of 1” (25 mm). 4. Damper will be factory supplied with one retaining plate secured to the damper sleeve on the operator side of the damper. 5. A minimum of 4 equally spaced 20 gauge starhunter season 3