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Boot Damper Assemblies
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Damper Group

Fire Dampers

Static Fire Dampers
Models MFD
Fire dampers covered under UL 555 are intended for installation in accordance with the NFPA 90A, “Standard for Installation of Air-Conditioning and Ventilating Systems”, the International Mechanical Code and the Uniform Mechanical Code.
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MFD

Static Fire Dampers

Model - MFD
Fire dampers covered under UL 555 are intended for installation in accordance with the NFPA 90A, “Standard for Installation of Air-Conditioning and Ventilating Systems”, the International Mechanical Code and the Uniform Mechanical Code.
 
Application
Intended for installation in ducts, air transfer openings and air distribution systems where walls, partitions, barriers or floors are penetrated.
Listings/Standards
UL 555
Construction
Frame:  22 gauge galvanized steel
Blades:  24 gauge galvanized steel
Transition: 20 gauge galvanized steel
Spring:  Stainless steel
Finish:  Mill galvanized
 

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