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Static
Static Curtain Fire Dampers are UL approved for use where local building codes require the protection of HVAC ductwork penetrations in walls, partitions or floors that have a fire resistance rating of up to 2 hours or 4 hours. Classified for use in static "fans off" systems where the HVAC system turns off in the event of a fire.
Nailor 0100, 0200, and 0300 Series 1 ½ hour rated Static Curtain Fire Dampers are UL approved for use where local building codes require the protection of HVAC ductwork penetrations in walls, partitions or floors that have a fire resistance rating of up to 2 hours. Classified for use in static "fans off" systems where the HVAC system turns off in the event of a fire.
Nailor 0500 Series 3 hour rated Static Curtain Fire Dampers are UL approved for use where local building codes require the protection of HVAC ductwork penetrations in walls, partitions or floors that have a fire resistance rating of up to 4 hours. Classified for use in static "fans off" systems where the HVAC system turns off in the event of a fire.