631 series

fire-rated-door-631-600

FireKing® Model 631

Fire-rated service door model 631 is a smaller fire door with UL/ULC ratings. The FireKing®Model 631 rolling fire-rated service door offers superior protection wherever a small UL listed fire door is required.

​Additional safety and protection features are available, including: Fire Sentinel® time-delay release device, FireLite® vision lites, smoke detectors, horns and strobes. ​​

​​Fire-Rated Door 631 Mounting Chart

fire door mounting chart ​

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Slat selection and finishes

Fire door slats are available in curved or flat profile in either galvanized steel. Galvanized slats are finished with a rust-inhibitive, roll-coating process that incorporates baked-on prime paint, and a baked-on polyester top coat of gray, tan, white or brown.

Features

Standard max width 
14' (4267 mm)

Standard max height 
12' (3658 mm)

Curtain
Painted galvanized
Standard baked-on paint finish available in gray, tan, white or brown

Guides 
Three structural steel angles
PowderGuard® Weathered finish with black powder coat.

Labels available for masonry or non-masonry applications
UL/ULC 1-1/2 hr
UL/ULC 3 hr
UL oversized door

Mechanical auto resettable hoist (non-motorized) 
Enables easy drop test and reset of fire door in seconds​

Fusible link for added safety
Separates at 165°F (74°C) to automatically close the door in case of 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 performance

Warranty
2-year material and workmanship

Fire doors are in compliance with
National Fire Protection Association (NFPA-80)
Underwriters Laboratories (UL & ULC)
New York City (MEA)
State of California (CSFM)​

Door Options
Documents