The 634 Series FireKing® fire-rated rolling service door offers superior protection wherever a listed fire door is required for a larger size door opening (max. width 41’2”’; max. height 25’4”).The 634 Series rolling steel fire door is designed for 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. The 634 Series fire door is available with a UL 4 hour label or UL oversized door label.
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.