Fire door and fire door closers related parts introduction
Publish Time：2017/07/31Click Rate：
1、Dual fireproof door should be according to the order of self closing function
2、Well you can use special maintenance door lock lock close fire
3、The normally closed fire door should be in its apparent position setting "keep the fire door closed" prompt identification
The fire door should install the fire door closers, or set to normally open fire doors can automatically close the door closing device at the time of the fire (such as the use of special parts except wells door). Fire door closers shall be approved by the state authorized inspection agency inspection; automatic closing door device of door, should by the state authorized qualified inspection agencies
Fire: fire door lock installed door lock should be fireproof lock. (fireproof lock should be approved by the state authorized inspection agency inspection)
Well, the fire door lock doors and other special parts of wells can be used to lock the well off, can not install the fire door closers.
Fire hinge (hinge): fire door hinge (hinge) plate thickness should be no less than 3mm
Fire sequencers: double fan, multi fire door set or the sewing board should be installed sequencer (special parts except)
Fire bolt: steel fire plug shall be installed on the door of the opposite side of the double fire door or multi fire door (if required)
Sewing board: dual fireproof door flat or stop structure should be established. And the door plate seam sewing board should be firmly connected; sewing board should not impede the normal opening and closing the door.
Fire-resistant glass: fire doors, such as mosaic glass, fire-resistant glass should be used, and its fire resistance should comply with the corresponding categories of fire door conditions (fire-resistant glass should be approved by the national authorized inspection institutions qualified)