Zowor Door Industry Co., Ltd
Make Zhongwo a fixed star in the development history of the door industry.
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304 Stainless Steel Fire Rated Door/ 1.6 mm Pre Gal. Steel/ 90-120 min Fire Rating/45 mm Thick
Stainless Steel Self Closing Fire Rated Door
Zhongwo steel fire doors meet the requirement for up to 180 mins(20/30/60/90/150/180mins) fire rating as American standard doors. And fire rating up to 120 mins(30/60/90mins) as British standard fire doors.
Size
For pair doors popular sizes by us are 6’X7’ and max. 8’X8’.
For single doors popular sizes by us are 3’X7’ and max. 4’X8’.
Customization is also acceptable.
Sash Thickness
US Standard: 40/45 mm
BS Standard: 45/50/55/60/72 mm
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.
Specification
| Product Name | Zhongwo Fire Rated Steel Doors |
| Fire Rating | 20/30/60/90/120/180mins |
| Standard | NFPA,ANSI/UL 10B,UL10C BS476-22, EN1634-1:2008 |
| Material of Door Leaf | Galvanized Steel Sheet |
| Material of Door Frame | Galvanized Steel Sheet |
| Thickness of Steel Sheet of Door Leaf | 20-18-16 Ga. (1.0/1.2/1.6 mm) |
| Thickness of Steel Sheet of Door Frame | 18-16-14 Ga. (1.2/1.6/2.0mm) |
| Thickness of Door Leaf | US Standard Door: 40/45 mm BS Standard Door: 45/50/55/64 mm |
| Frame Depth | 120/130/160 mm |
| Weight | 25-35Kg/㎡ |
| Size | Single Door: 3’X7’; 4’X8’ Double Door: 6’X7’; 8’X8’ Or customized |
| Open Style | Swing Open |
| Infilling Material | Standard: Fireproof Perlite Board Options: Honeycomb Paper, Mineral Wool, Polyethylene Foam |
| Surface Treatment | Prime Paint(UV/PU), Powder Coating, Wood Grain |
| Color | Milk White, Matte Orange, Dark Gray, Cold Gray White or as Request |
| Glass | Standard: American or British Standard Tested Clear or Wired Glass Or Customized As Request |
| Fireproof Seal Strip | FPJ-B-20X 2 FPJ-A-15X 2 Or Customized |
| Warranty | 2 years |
| Package | PE Paper+Double Layer Strong Carton or wooden pallet |
| Delivery Time | 45Days After Payment Received |
Product Advantage
| Item | Zhongwo Steel Fire Rated Door |
| Top Quality and Eco-friendly& Healthy Infilling Material | All of our fireproof perlite board must reach level A1 of the combustion performance standard according to GB8624-2006 and level ZA2 of toxicity standard according to GB/T20285-2006. Besides, the density of our fireproof perlite board is in top quality, originally it reaches 472.6kg/m3, by drying treatment it still remains457.3kg/m3, which are both great higher than the standard of 420kg/m3. |
| Top Appearance Quality | Surface adopts technology without welding spots, so that to get smooth appearance. |
| Top Fire Insulation Performance | Average temperature rise of unexposed surface reaches 94.2℃, highest temperature rise at single point reaches 148.6℃, both are far away lower than the standard of not beyond 140℃ and 180℃. And the highest temperature point on door frame reaches 140.8℃, also much lower than the standard of not beyond 360℃. |