Solid Structure Fireproof Entry Doors Environment Friendly 90 Minute Fire Grade

 

The Fire and anti-theft door of Zhongwo Company has excellent anti-theft performance and super Fire performance. Because of its solid structure and simple shape, it is widely used in high-rise residential buildings. The door frame which is made of high quality galvanized steel strip is rolled forming at one tiem thtough the special production line. 

 

Technical Parameters

 

Door Closer	1
Door Frame	1.2mm Cold Rolled Galvanized Steel Sheet
Door Frame Type	Binding
Sideboard Width	120mm 140mm(with earing)
Door Leaf	1 70mm
Door Mirror	1
Fire Lock	1
Fire Hinge	3
Fire Intumescent Seals	15*2 +12*2 (W*T mm)
Perlite Fire Door Core Board	1 (450±45)kg/m³
Door Leaf Panel	2 0.8mm Cold Rolled Galvanized Steel Sheet
Pattern of Panel	6 Square Block
Class	A
Grade	A
Fire Resistance Rating	1.5 Hour
Name	Fire-Proof Anti-Thief Door
Dimension	1000*2100 (mm)
Standards	GB12955-2008

 

 

Technical Specification

1. It’s designed based on GB12955-2008 Standards.

2. There is 3mm stiffening plate on the connection of Door Closer, Fire Hinge, Door Leaf and Door Frame.

3. There is C type skeleton with 1.8mm cold rolled galvanized steel sheet inside of the door leaf:

Skeleton 1 67mm*20mm Skeleton 2 67mm*15mm

4. There is Lock box on Fire Lock inside of the Door Leaf: 5mm Fire proof board(110mm*300mm).

 

Besides, the door frame is also equipped with inlayed Fire expansion strips and installed with Fire seals.By closing there is no impact sound to hear.And thirdly the crossbeam and mullion are welded in 45 degree. The door fan made of high quality cold rolled galvanized steel plate is bent accurately through bending machine, inside of which it is filled with green environment friendly perlite plates which are key to its Fire funktion,and charackters of heat insulation and sound insulation. As to the surface treatment man introduces the process technology without welding spots, thus flat appearance.