Product Details
Steel Insulated Fire Door
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.
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.
The Maximum Opening size is 2100(W)*2300(H) (mm)
Fire Resistance Rating(FRR):
Grade A: 1.5 Hours
Grade B: 1.0 Hour
Grade C: 0.5 Hour
Application
Large-scale shopping malls, high-grade office buildings, top-three
hospitals, office buildings, schools, hotels, libraries, museums,
business centers and other high-rise buildings and fire exit in
public places
Fire Resistance Rating Classification
Name | Fire Resistance Performance | Code |
Fully Heat Insulated Doorsets(Class A)
| Fire Insulation ≥0.50h Fire Integrity ≥0.50h | A0.50 (Grade C) |
Fire Insulation ≥1.00h Fire Integrity ≥1.00h | A1.00 (Grade B) |
Fire Insulation ≥1.50h Fire Integrity ≥1.50h | A1.50 (Grade A) |
Fire Insulation ≥2.00h Fire Integrity ≥2.00h | A2.00 |
Fire Insulation ≥3.00h Fire Integrity ≥3.00h | A3.00 |
Partially Heat Insulated Doorsets(Class B)
|
Fire Insulation ≥0.50h | Fire Integrity ≥1.00h | B1.00 |
Fire Integrity ≥1.50h | B1.50 |
Fire Integrity ≥2.00h | B2.00 |
Fire Integrity ≥3.00h | B3.00 |
No Heat Insulated Doorsets(Class C)
| Fire Integrity ≥1.00h | C1.00 |
Fire Integrity ≥1.50h | C1.50 |
Fire Integrity ≥2.00h | C2.00 |
Fire Integrity ≥3.00h | C3.00 |
Technical Parameters
Items | Grade A Steel Insulated Fire Door |
Fire Protection Time (H) | 1.5 |
Code | A1.50 |
Thickness of Door Leaf (mm) | 55 |
Thickness of Door Frame (mm) | 120 |
Thickness of Steel plate for Door Leaf (mm) | 0.8 |
Thickness of Steel plate for Door Frame (mm) | 1.2 |
Fire Prevention Board | Available |
Filled Material | Perlite Fireproof Board |
Door Leaf | 2 |
Fire Closer | 2 |
Fire Sequence | 1 |
Door Frames
Material options: Galvanised Steel
Stainless Steel
Sheet thickness: 2.0 mm 1.6 mm 1.2 mm
14 gauge 16 gauge 18 gauge
Technical Data for standard frames (D x H)
Size of double rebate frame 120 x 65 mm
Size of single rebate frame 115 x 55 mm
Frame assembly
Plug-in
Welded
* Other sizes are available. Max depth for Zhongwo steel doors can
be 160 mm.
Standard heights (Wall openings)
2100 mm 2200 mm 2400 mm 3000 mm
Vision lite
Door leaf can be provided with vision lite for visibility.
• The sizes mentioned are for 60min,90 min and 120 min
labeled doors
• Labeled doors with 45 min rating can have glass of
1296 sq. inches/ Vision Lite
• Max width/height is 54’’ for Vision Lite of size 1296 sq. inches.
• Max width for 100 sq. inches is 12’’ and max height in 33’’
Company Profile
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.