Q:From the outside locked the door, if there was someone, why from the inside of the long floating of the spring of the valve Tong Tong Kun also can not open it? Are all the doors so? Is this the door ok? Why not design the lock inside the key can also be opened with more ah

Mainly to see the specific door, however, are generally inside the lock after the outside can not open, you this door a bit special.

Q:Class A anti-theft fire door standard is what

Anti-theft and fire doors are different, there is no Class A anti-theft fire doors, it should be discussed separately. 1. Class A security door: is the anti-damage time is greater than or equal to 30 minutes of the door. Specific values are as follows: 2. Class A fire doors refer to doors with a fire resistance of 1.50 to 2.00 h. Specific values are as follows: A fire door fire resistance limit of 1.50 ~ 2.00h; B fire doors for the 0.50 ~ 1.50h. According to the design of fire safety standards, fire doors as a, B, C three, and its minimum fire limit made the provisions, that is, Class A 1.20h, B 0.90h, C 0.60h.

Q:Our home security door is Panpan, there are AB two, I did not take A key, directly with B open the door, said the book that rotated 360 degrees, but the turn does not move ah storm down the stack of pieces of Chi Chi stupid painting and then decoration The key can not be used. The The why? More

A is the decoration key, B used after a practical effect.

Q:Security door can not directly change the lock and do not change the door

As long as the door and the door frame are intact circumstances can directly change the lock cylinder or lock, do not change the door (change the door is very troublesome).

Q:What is the quota of the security door?

4-145 safety door installation sub-head, security doors are generally anti-theft door. The security door is called "security door". It combines both anti-theft and safe performance. In accordance with the "anti-theft security door general technical conditions" provides that qualified security door in 15 minutes using chisels, screwdrivers, crowbars and other ordinary hand tools and hand drill and other portable power tools can not pry open or in the door to open a 615 square millimeters Open, or open a 38 mm square opening in the semicircle with a locking point of 150 square millimeters. And anti-theft door on the use of the lock must be detected by the Ministry of Public Security testing with anti-drilling function of the anti-theft door dedicated lock. Anti-theft doors can be made of different materials, but only to achieve the standard test qualified, to receive security products to ensure that the door can be called security door.

Q:What is the specific composition of the direct-style intercom system of the anti-theft door intercom system? The More

Now too many market products, we generally use these are these | 1. Unit door machine 2. Indoor extension 3. Unit door machine power supply 4. Indoor extension power supply 5. Closer 6. Magnetic lock tripod satin and so on to urge to wear slip 7. Signal line with Rvv0.5m ㎡ signal line or 8x0.25m ㎡ cable can also 8. Power line with RVV3 × 1.0m ㎡ 9. Floor distributor, if it is an indoor extension, built-in decoding can be used.

Q:Width 1200mm * high 2400MM Wang Li brand security door price is how much?

Wang Li standard door does not mean that he is not a good standard door

Q:Are there any categories of trademarks? Do you belong to the first few categories?

You are good anti-theft doors are generally metal door is 0603 gallbladder set of hey orphan phthalate cantilever doors are non-metallic doors are 1909

Q:I would like to ask when the security door can be installed, is the demolition of the old, before the tile? From the measurement to the installation of a total of a few days?

Usually after the demolition of the old, cement workers before the end of the installation, the standard door to the installation of the general need to 3 to 4 days.

Q:Anti-theft door outsourcing open outside the package with what is the difference

Open the way is not the same, one is the door open, one is opened the door. There is a difference between the expansion of the eye