Zowor Door Industry Co., Ltd
Make Zhongwo a fixed star in the development history of the door industry.
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Fire-Rated steel doors play a vital role in keeping people safe and minimizing property damage during a fire. Labeled fire doors control the spread of fire and smoke for up to 3 hours.
Regulations & Fire Levels
Zhongwo steel fire resistant doors are under test according to NFPA252, CAN / ULC S104, UL10 (b) and UL10 (c). And our fire doors hold themselves against fire in different levels such as 20mins, half hour, 45mins, 1 hour, 1.5 hours, 2 hours and 3 hours.
Door Specification
| Product Name | Zhongwo Fire Rated Steel Doors |
| Fire Rating | 20/30/60/90/150/180mins |
| Standard | NFPA,ANSI/UL 10B,UL10C |
| Door | 0.8 mm Galvanized Steel Sheet |
| Door Thickness | 45 mm |
| Weight | 35-40Kg/m2 |
| Dimension(structural opening) | Single Door: Max. 1200 X 2400 mm Pair Door: 2100 X 2400 mm or customized |
| Open Style | Swing Open |
| Infilling Material | 43mm thick Magnesium Oxide Board; Density: (350±35)Kg/m3 Options: Fireproof Perlite Board; Honeycomb Paper, Mineral Wool, Polyethylene Foam |
| Surface Treatment | Powder Coating, Wood Grain, Stainless Steel or Customized |
| Color | RAL system |
| Fireproof Seal Strip | FPJ-B-20X 2;0.8mm Galvanized Steel |
| Delivery Time | 45Days After Payment Received |
Reinforcements
· Top and bottom of doors shall be reinforced with continuous 16-gauge steel channels, spot welded to both sides of doors.
· Hinge reinforcements shall be 11-gauge steel angle, 12" long
· Cylindrical lock reinforcement shall be 16-gauge with 11-gauge thread depth. Other lock and closer reinforcements shall be 12-gauge.
· Doors shall be reinforced for all surface type hardware. Drilling and tapping of surface hardware to be done in the field by the erector.
· Edges of door shall be continuously seam welded, ground, and filled to ensure a smooth finish.
Hardware
Zowor steel fire exit doorsets match normally single point push bar, unequal leaf and double pair doorsets also with a 2 point push bar to the passive leaf. As options we can add any type of locks to this type of doorset.
As standard it will be fitted with 4 stainless steel ball bearing butt hinges to each leaf; As the leaf deminsion and weight changes, continuous butt hinges may also be available.
Door closers can be fitted to this type of doorset dependent on the door leaf size and weight, As standard there will be one closer for each leaf, for passive leaf of leaf & half or double doorsets closers may also be omitted.