unequal leaf flush panel steel insulated fire door

Product Description

Zhongwo unequal leaf flush panel steel insulated fire door is designed according to the national standard GB12955-2008. The door leaf adopts the process that high-quality 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. The door frame is made of 1.2mm thick galvanized steel sheet, beams are connected with mullions by 90°angle welding. At the point of fire bolt and fire door closer it is welded with 3mm thick heat-rolled galvanized steel sheet as reenforcement. The lap between door frame and door leaf covers more than 12mm, the gap 3mm at the position of fire hinges, upper gap 3mm and bottom gap 7mm, which are all far beyond the national standard.

Thanks to all the above mentioned our fire doors can be widely applied in all kinds of public fire -proof areas such as commercial shopping malls, residential buildings, industrial circumstances, hospitals, schools, power stations and so on.

Specification

Features

Tidy and Smooth Surface: The appearance is very beautiful and can integrate into surrounding circumstances.

Flexible Opening: Door leaf opening force of our double swing flush panel steel fire door is no more than 66N, which is much smaller than 80N according to GB12955-2008.

High Fire Integrity Performance: When fire test reaches 1.5 hours the flame on unexposed surface of our fire door sustained no longer than 10 seconds.

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℃.

Customized Products: Nearly all of our steel fire doors can be customized as your request.

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.

6. More than 20 years experience in fire door industry.

Packaging&Delivery

1. Matured packaging team consisting of professional and well-trained packaging staff with quality packaging materials.

2. Quick delivery within 35 days since transfer confirmed.
3. Reliable and professional logistics services which are all in long-term cooperation with us.
4. After-sale service: Any questions or problems after receiving the product, please feel free to contact us. Problems would be solved for you immediately.

Henan Zhongwo Fire Science and Technology Co., Ltd, founded in 1995, is a rapid expanding manufacturing company in fire door industry. After 24 years development Zhongwo has become a leading fire door manufacturer all over in Central China. We are always keeping good cooperation relationship with many high-end real estate builders such as Green Garden and Evergrand and many reaseach institutes such as The Architectural Design And Research Institute of Henan Province. And we have always been enjoying good reputation around our partners domestically and internationally.

Our factory concentrate on the production of all kinds of fire doors from different materials such as galvanized steel, pine wood, chinese fir wood, 201/304 stainless steel and also fire resistant floating glass. Steel fire door is our highlight product, with advanced surface treatment such as powder coating, heat transfer printing and copper wiredrawing we win great advantage for our steel fire doors of high wear tolerance,high decoration performance, anti-damp performance and anti-rusty character and so on. As far as wooden fire door is concerned, we have painting free wooden fire door series, baking paint wooden fire door series and refuge room wooden fire door series.Now we can supply more than 100,000 fire door sets a year in our more than 50000㎡ existing workshop. We also have a new factory under construction which covers a field of 30 arces in Minquan of Shangqiu City,which is 200km away from our existing factory. By then our annual production ability can reach 300,000 fire door sets.

Our production ranges also to fire roller shutters, fire windows and smoke curtains of various customized sizes, colors and materials.

Zhongwo attaches great importance to technical explore and development of new products and technik. We organize a specialized technical panel who all have more than 8 years of R&D experiences in fire door industry for development of new products and technik. Thanks to their hard work we can lauch more than 5 patents a year.

Zhongwo always adheres to the value system of “creating value for customers, building platform for employees and developing brand for Zhongwo”. Under such value system, Zhongwo keeps looking for excellent partners to influence ourselves to become better. We keep striving in order to be a fixed star in the development history of door industry.