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Life Safety Dampers

Products tested and classified in accordance with UL 555, UL 555S, and UL555C.

Life safety dampers protect openings in walls, ceilings, floors and/or partitions to prevent the spread of fire and/or smoke. These products are tested and classified in accordance with UL. There are five types of life safety dampers:

Fire Dampers

Maintains required fire resistance ratings of walls, partitions, and floors when penetrated by air ducts and transfer openings. (UL 555 classified)

VIEW Fire Dampers
https://catalog-api.greenheck.com/api/category/en-us/140

Smoke Dampers

Prevents the spread of smoke in a building. Used in passive smoke control or part of an engineered smoke control system. (UL 555S classified)

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https://catalog-api.greenheck.com/api/category/en-us/152

Combination Fire Smoke Dampers

Performs the function of a fire damper and a smoke damper. (UL 555 and UL 555S classified)

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https://catalog-api.greenheck.com/api/category/en-us/137

Corridor Fire Smoke Dampers

Protects corridor/ceiling penetrations against fire and smoke. These dampers meet UL 555 and UL 555S to be classified as a corridor combination fire smoke damper.

VIEW Corridor Fire Smoke Dampers
https://catalog-api.greenheck.com/api/category/en-us/3

Ceiling Radiation Dampers

Protects penetrations through the ceiling membrane of fire-resistive floor ceiling and/or roof-ceiling assemblies. (UL 555C classified)

VIEW Ceiling Radiation Dampers
https://catalog-api.greenheck.com/api/category/en-us/149