How to select fire shutter door

We all know that there are many kinds of fire shutter doors, so we all know how to choose a good fire shutter door at ordinary times? The general requirements for Shenzhen fire shutter door are:


(1) Sufficient clearance shall be reserved for the guide rail to ensure that the guide rail can expand and deform in the vertical direction under the action of fire. The guide rail installed between the frames can be exposed or concealed in the recess.


(2) The automatic opening and closing mechanism of the fire shutter shall be closed with a metal shell to ensure that it will not be damaged and can operate normally in case of fire.


(3) The automatic start detector or fusible ring day buckle of the fire shutter shall be installed on both sides of the wall (one shall be installed on the top near the hole, and the other shall be installed on or near the ceiling on both sides of the wall), and shall be connected with the switch of the shutter, so that the action of any probe or fusible ring will close the shutter.


(4) When the fire shutter is used to replace the firewall, the water curtain system shall be set on both sides for protection, or the fire resistance limit shall not be less than 3 Oh´s composite fire shutter.


(5) The fire shutter set in the evacuation walkway and the front room shall have the function of short-time stop during landing and manual control from both sides to ensure the safe evacuation of personnel; It shall have the functions of automatic, manual and mechanical control.


(6) In order to ensure the safe evacuation of personnel at the beginning of a fire and the smooth fire fighting of firefighters, the fire shutter shall have a certain opening and closing speed.


(7) Generally, each orange fire shutter is equipped with two sets of electrical buttons to control the door rolling machine, i.e. one set inside and outside the door opening. The buttons shall be started and operated flexibly and reliably. The actions of centralized control and linkage control shall be sensitive and accurate. The automatically controlled safety device shall be installed at the exposed part within 2 meters around the roller shutter and the part that can be monitored at any time; The automatic control power supply and standby power supply shall be able to ensure the normal working state. The electrical circuits used shall not be exposed and shall be buried in the wall or have pipes.