Type B Fire Damper Detail at Broderick Jefferies blog

Type B Fire Damper Detail. Refer to figures1, 2 and 3 for details of. the fire damper models shown on this sheet are marked with a 11/2hour fire damper label and are approved for use in fire walls or. to dynamic curtain type fire dampers mounted in the plane of an ul approved fire rated wall/partition or floor. dampers are ordered by nominal duct size. Actual damper dimension will be 1⁄4” (6) undersized on both height and width. fire dampers are ul555 tested and labeled devices installed in ducts and air transfer openings or air distribution systems,. 1) masonry, block, or stud. •meets all the requirements of ul and nfpa 80, 90a and 101 for fire dampers in dynamic hvac systems, as well as ibc and nbc. installation instructions for fire dampers. these instructions apply to 11⁄2 and 3 hour rated fire dampers mounted in:

Dampers UL Marking and Application Guide UL Solutions Code Authorities
from code-authorities.ul.com

Actual damper dimension will be 1⁄4” (6) undersized on both height and width. dampers are ordered by nominal duct size. these instructions apply to 11⁄2 and 3 hour rated fire dampers mounted in: to dynamic curtain type fire dampers mounted in the plane of an ul approved fire rated wall/partition or floor. Refer to figures1, 2 and 3 for details of. the fire damper models shown on this sheet are marked with a 11/2hour fire damper label and are approved for use in fire walls or. •meets all the requirements of ul and nfpa 80, 90a and 101 for fire dampers in dynamic hvac systems, as well as ibc and nbc. installation instructions for fire dampers. 1) masonry, block, or stud. fire dampers are ul555 tested and labeled devices installed in ducts and air transfer openings or air distribution systems,.

Dampers UL Marking and Application Guide UL Solutions Code Authorities

Type B Fire Damper Detail these instructions apply to 11⁄2 and 3 hour rated fire dampers mounted in: •meets all the requirements of ul and nfpa 80, 90a and 101 for fire dampers in dynamic hvac systems, as well as ibc and nbc. to dynamic curtain type fire dampers mounted in the plane of an ul approved fire rated wall/partition or floor. fire dampers are ul555 tested and labeled devices installed in ducts and air transfer openings or air distribution systems,. Actual damper dimension will be 1⁄4” (6) undersized on both height and width. these instructions apply to 11⁄2 and 3 hour rated fire dampers mounted in: dampers are ordered by nominal duct size. Refer to figures1, 2 and 3 for details of. 1) masonry, block, or stud. installation instructions for fire dampers. the fire damper models shown on this sheet are marked with a 11/2hour fire damper label and are approved for use in fire walls or.

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