90 minute Fire Rated Steel Insulated Fire Door With Panic Bar/ Powder Coated Finish

Steel Insulated Fire Door

Hardware fittings:The famous high-grade fire lock, door closer, fire prevention hinge, sequencer, latch etc.with characteristics that flexible, safe, reliable, and so on. They are approved by the national recognized inspection authority, and the performance meet GB12955-2008 appendix A, B, C, D.

Product Description
Material: The door frame adopts cold rolled galvanized steel plate with thickness of no less than 1.2mm.
The door leaf adopts cold rolled galvanized steel plate with thickness of no less than 0.8mm.
Hardware fitting backboard adopts ordinary steel plate with thickness of no less than 3.0mm.

Fire Resistance Rating(FRR):

Grade A: 1.5 Hours

Grade B: 1.0 Hour

Grade C: 0.5 Hour

Door Leaf

Material options Galvanised Steel; Stainless Steel

Sheet thickness: 1.0 mm; 0.8 mm;

20 gauge 22 gauge

Infill : Magnesium Oxide Board;

Fireproof Perlite Board;

Honeycomb Kraft Paper;

Polyurethane Foam

Technical Data for door leaf

Single Leaf Double Leaf

Door thickness 45 mm —

Min. door opening width 400 mm 800 mm

Max. door opening width 1219 mm 2400 mm

Max. door opening height 2400 mm 2400 mm

Note: The sizes mentioned above are for the door leaf and do not include the frame.

Fire Resistance Rating Classification

Parameters

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.