Curtain Type Fire Damper IBD2

The IBD2A is a UL555 1-1/2 Hour Rated Classified Curtain Type Fire Damper. It features:

Meets all UL and NFPA criteria for primary fire dampers in static (fans off during alarm) HVAC systems
Fusible link included standard
Galvanized steel construction

사양

Ruskin Model IBD2 1 1/2 hour UL classified static (fans off) curtain style fire damper for use in HVAC systems that shut down during a fire event. Fire dampers used for the protection of openings in walls, partitions, or masonry floors with fire resistance ratings of less than 3 hours and shall have a 1 1/2 hour fire protection rating. The IBD2 can be installed vertically in walls or horizontally in masonry floors and is rated for airflow in either direction.

기술 사양