Miami Tech

Miami Tech - 151A4821L112A - 48" x 21" Dynamic Fire Damper Type A Plain

Item: MIA151A4821L112A
MFG: 151A4821L112A
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48" x 21" Dynamic Fire Damper Type A Plain


Model 151A - Curtain Type Fire Damper

  • Designed with constant force springs in the horizontal configurations to ensure closure
    under airflow conditions.
  • Meets all UL and NFPA requirements for Primary Fire Dampers, and carries a UL555
    classified fire damper label. Approved for use where ducts penetrate partitions with fire resistance ratings of two hours or less.
  • 1-1/2 hours for use in fire barriers rated two hours or less.
  • Optional installed duct sleeves available
  • UL File No. 10250

California residents: see Proposition 65 Warning

Features and Specification

Comments/Notes CUSTOM
Gauge 22 GA
Galvanized Yes
Flanged No
Fire Rating 1 1/2 Hour
Dimensional Weight 88.0000
Cubic Measurement 6.8806
Composition Steel
Height 20.7500
Brand Miami Tech
Adjustable No
Insulated No
Width 47.7500
Size 48" x 21"
R-Value Not Insulated
Package Width 20.7500
Package Weight 25.0000
Package Length 12.0000
Package Height 47.7500
Mounting Horizontal/Vertical
Length 12.0000
Weight 25.0000


picture_as_pdf specification sheet

picture_as_pdf submittal sheet