Can security doors be installed in public passages?

"Building Regulations" 5 5 9 The safety exits in public buildings with fire resistance grades of the first and second class are all directly connected to the fireproof partition where it is difficult to go outside, and the Grade A fireproof door leading to the adjacent fireproof partition can be used as the safety exit, but the following requirements shall be met.

Many of the new security doors are beautiful, with solid wood on the outside, suitable for villas.

Under normal circumstances, the lock cylinder indoor door side can be A B key universal, the outdoor door side B key can not be used after the A key is used, the principle is not much to say afraid of being used by someone with a heart, if it is reversed, there will be two consequences, first of all: the anti-theft effect will definitely be a little different, because there must be a change, but the difference is not big, as long as it is not a particularly simple bullet lock, the impact will not be too large, remember not to throw the A key casually, This mainly refers to some lock cylinders with better quality or better brands to do more responsibly; Another consequence is that there is no anti-theft measures on the side of the indoor door, so if it is installed in reverse, then the anti-theft performance will be greatly reduced, so it is necessary to pay attention to it, and the security of the lock is likely not to be replaced. This kind of is mainly some"Hearted"of businesses to save costs.

Yes, as long as the thickness of the door is more than 4CM, it is OK, but there are some brands that do not support the heaven and earth hook, or Panpan, Wang Li's anti-theft door, it is recommended to choose. >>>More

The automatic door closing hinge is a double-sided spring hinge, which is generally used in the fire door of the aisle and staircase. It is not anti-theft when used in the security door.