Customized fire door of equipment room in power distribution room_ Wholesale customization of steel fire doors_ Lu'an fire door police shield direct sales

Customization of fire doors in the equipment room of the power distribution room, customization and wholesale of steel fire doors, and direct sales of Lu'an fire door guard shield
Direct sales Tel
: 157 15690119
Introduction to steel fire door
  The door frame, door leaf panel and its reinforcement of steel fire doors shall be cold-rolled sheet steel
The door frame should be made of 1
2 ~ 1
5mm thick steel plate, and the door leaf panel should be made of 0
8 ~ 1
2mm thick steel plate
1
2 ~ 1
5mm thick steel plate should be used as reinforcement
If the reinforcement is equipped with screw holes, the thickness of the steel plate should not be less than 3
0mm, and the door leaf and frame should be filled with non combustible materials
The melting temperature of hardware accessories such as door lock, hinge and bolt shall not be lower than 950 ℃
The hinge on the door shall not use two-way springs, and the single door shall be equipped with a door closer
The double doors must be provided with cover plate joints, and door closers, secondary devices, etc
(except for normally closed fire doors)
The door frame should be provided with a sealing groove, which should be embedded with a sealing strip made of non combustible materials
The welding of steel fire doors should be solid, the welding points should be evenly distributed, and there should be no false welding and burning through, and the surface should be polished smooth
The installation requirements of steel fire doors refer to:
1
First, confirm the size of the opening, so that the size of the opening is larger than the size of the steel fire door frame

2
Install the steel fire door into the hole size as a whole, and take safety measures for temporary positioning to avoid the overall collapse of the steel fire door
The gap around the door frame should be adjusted appropriately, which is subject to the convenience of pouring cement mortar
The door frame and steel fire door must be firm and firm when fixed

3
When pouring cement mortar around the door frame, fill less and mix more, fill it up and compact it
Adjust it while pouring mortar
After all mortar is poured, it should be solid and firm, and it is not allowed to move the fire door
The curing period shall not be less than 48 hours, and not less than 72 hours in winter
After the mortar is completely dry, the steel fire doors can be opened and closed, and the gap of each part can be checked

4
Install the door closer
After the steel fire door is installed, install the door closer according to the condition, adjust whether the opening and closing are sensitive and tight, and open and close smoothly without major impact