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12" x 34" MODEL 151A DYNAMIC FIRE DAMPER - W/ 12" SLEEVE AND ANGLES
12" x 34" MODEL 151A DYNAMIC FIRE DAMPER - W/ 12" SLEEVE AND ANGLES
SKU: 151A1234L112A
PRODUCT TYPE: Fire Dampers
Features & Specifications
Features & Specifications
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 hour rating for use in fire barriers rated two hours or less.
Optional installed duct sleeves available.
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