Static Systems
Static applications are where the HVAC systems fans are automatically shut down in the event of a fire and for use in air transfer openings in walls or partitions. The static-rated fire damper is only tested for use when there is no airflow present in the system.
UL10A – Blades in Airstream
1 1/2 Hour Fire Rating
Vertical Sizes: 4″ x 4″ to 60″ x 60″
Multi-selection up to: 120″ x 120″
Horizontal Sizes: 4″ x 4″ to 34″ x 60″
Multi-selection up to: 102″ x 60″
Multi-selection up to: 120″ x 120″
Horizontal Sizes: 4″ x 4″ to 34″ x 60″
Multi-selection up to: 102″ x 60″
3 Hour Fire Rating
Vertical Sizes: 4″ x 4″ to 48″ x 48″
Horizontal Sizes: 4″ x 4″ to 40″ x 40″
Multi-selection up to: 80″ x 40″
Horizontal Sizes: 4″ x 4″ to 40″ x 40″
Multi-selection up to: 80″ x 40″
UL10B – Blades Out Of Airstream
1 1/2 Hour Fire Rating
Vertical Sizes: 4″ x 3″ to 60″ x 60″
Multi-selection up to: 120″ x 120″
Horizontal Sizes: 4″ x 4″ to 34″ x 60″
Multi-selection up to: 102″ x 60″
100% Free Area
Multi-selection up to: 120″ x 120″
Horizontal Sizes: 4″ x 4″ to 34″ x 60″
Multi-selection up to: 102″ x 60″
100% Free Area
3 Hour Fire Rating
Vertical Sizes: 4″ x 4″ to 48″ x 48″
Horizontal Sizes: 4″ x 4″ to 40″ x 40″
Multi-selection up to: 80″ x 40″
100% Free Area
Horizontal Sizes: 4″ x 4″ to 40″ x 40″
Multi-selection up to: 80″ x 40″
100% Free Area
UL10C – Square Damper with Round Collars
1 1/2 Hour Fire Rating
Minimum Collar Size:
3″ Round, 5″ x 5″ Rectangular
Maximum Collar Size:
52″ Round, 58″ x 52″ Rectangular
100% Free Area
3″ Round, 5″ x 5″ Rectangular
Maximum Collar Size:
52″ Round, 58″ x 52″ Rectangular
100% Free Area
3 Hour Fire Rating
Minimum Collar Size:
3″ Round, 5″ x 5″ Rectangular
Maximum Collar Size:
52″ Round, 58″ x 52″ Rectangular
100% Free Area
3″ Round, 5″ x 5″ Rectangular
Maximum Collar Size:
52″ Round, 58″ x 52″ Rectangular
100% Free Area
UL10D – ThinLine – 2″ Deep
1 1/2 Hour Fire Rating
Vertical Sizes: 4″ x 4″ to 41″ x 36″
Horizontal Sizes: 4″ x 4″ to 41″ x 36″
Register Mounting Tabs Available
Horizontal Sizes: 4″ x 4″ to 41″ x 36″
Register Mounting Tabs Available
3 Hour Fire Rating
Vertical Sizes: 4″ x 4″ to 41″ x 36″
Horizontal Sizes: 4″x 4″ to 41″ x 36″
Register Mounting Tabs Available
Horizontal Sizes: 4″x 4″ to 41″ x 36″
Register Mounting Tabs Available
CERTIFICATIONS
DuroDyne Fire Dampers are UL 555 approved and approved by the Standards and Appeals for use in New York City. Cal. 291-80-SA. Meets National Fire Protection Association – NFPA 90A.
