The 631 Series rolling steel fire door is designed for both masonry and non-masonry mounted applications including: facilities with paint booths, file rooms, material storage locations, warehouses, shared walls between businesses, public record storage, and public buildings such as libraries. Customized fire doors are available for conveyor openings.
These doors feature a mechanical auto resettable hoist (non-motorized) that enables easy drop test and reset of the fire door in just seconds. Fusible links are mounted on both sides of the wall that separate to automatically close the door in case of fire. Additional safety and protection features are available, including: Fire Sentinel® time-delay release device, FireLite® vision lites, smoke detectors, horns, and strobes.
14’ (4267 mm)
12’ (3658 mm)
Galvanized steel, 24 gauge
Slat profile available in curved or flat
Standard finish available in gray, tan, white or brown
Labels available for masonry or non-masonry applications
UL 1-1/2 hr
UL/ULC 3 hr
UL oversized door
NFPA-80, New York City and state of California (CSFM) compliant
Mechanical auto resettable hoist (non-motorized)
Enables easy drop test and reset of fire door in seconds
Fusible link for added safety
Fusible link separates at 165°F (74°C) to automatically close the door in case of fire
Controlled rate of descent for added safety
Governor controls rate of door descent during a fire
Viscous governor technology
Controls rate of door descent during a fire while reducing noise and vibration for quieter door operation.
Innovative planetary gear design
Ensures years of reliable service and drop-out performanceback to Commercial Rolling Steel Doors