Zowor Door Industry Co., Ltd
Make Zhongwo a fixed star in the development history of the door industry.
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Zhongwo steel Fire door is widely used in all kinds of public Fire -proof areas because of its solid structure and simple shape. Inlaid with fire -proof expansion sealing pieces, the door frame is made of high quality galvanized steel strip, which is one-time rolled and formed through the special production line, without impact sound when closing. Beams are connected with mullions by 90° angle welding, and the large size door frame can be assembled with bolts. The door leaf adopts the process that high-quality cold-rolled galvanized steel sheet is bent by the bending machine precisely, and its interior is filled with green and perlite board which has characters of fireproof, heat & sound insulation and its surface adopts technology without welding spots, so that to get smooth appearance.
Technical Specification
Zhongwo steel fire doors are all tested in accordance with American or British Standard such as UL10(b) and UL10(c) and BS476:22 & EN1634:1. We can provide you with UL/WHI certificate or BS and EN certificates for various sizes and fire ratings.
Product Advantage
| Item | Steel Fire Safety Doors |
| 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. |
| Top Appearance Quality | Surface adopts technology without welding spots, so that to get smooth appearance. |
| Advanced Surface Treatment | We introduce the process of heat transfer printing instead of traditional painting process to ensure the decorative and environment-friendly performance of rosewood steel fire door. |
| Top Flexibility | All of our steel fire doors can smoothly open and close, definitely without the problem of jam or so. |
| Small Door Leaf Opening Force | Door leaf opening force of our rosewood steel fire door is no more than 66N, which is much smaller than 80N according to GB12955-2008. |
| Customized Products | Nearly all of our steel fire doors can be customized as your request. |
Material
Generally we see galvanized steel sheet with thickness of 20-18-16 Ga. for sashes; and 18-16-14 Ga. Galvanized steel sheet for frames. This kind of steel sheet is environment-friendly and green without any harm to people.
As Options we offer you also 304 and 301 stainless steel which are more beautiful in surface and more durable in performance.
Infilling
Standard infilling materials by us are fireproof perlite board with different densities in harmony with various fire ratings.
We have also mineral core, honeycomb paper and polyethylene foam for your options.
Sash Thickness
US Standard: 40/45 mm
BS Standard: 45/50/55/60/72 mm
Why Choose Us?
1. All of our fire doors are in top quality and at competitive prices.
2. Free pre-sales consult on any questions about fire doors.
3. Brand Advantage: We insist purchasing to be a reliable fire doors supplier for high-end real estate agents.
4. All fire doors can be customized as your request.
5. Good after-sale service.
More than 20 years experience in fire door industry.