Depending on the owner’s requirements for the Types of locks for metal doors of metal entrance doors, different locks must be install on them. The mechanisms differ from each other in several ways, which affect both the complexity and safety of the lock, as well as its cost.
By operating principl
epending on the operating principle, locks for metal entrance doors are:
- mechanical. The door is lock by extending bc data indonesia or more bolts. This is the most common solution, which provides a high level of security and is energy-independent;Mechanical locks are the most common type of lock in entrance doors.
- electromagnetic. They work due to the presence of an electromagnet in their design and can be open using a code, a card or a key fob, and modern models are even controll by a fingerprint. The main disadvantage of such devices is that in the absence of voltage in the Types of locks for tales of security: agent’s report doors, they open automatically, so they must be provid with an autonomous power source, and this leads to additional costs;In the absence of power, the electromagnetic lock opens automatically, so it must be provid with an independent power source.
- electromechanical. They combine the advantages of mechanical and electromagnetic devices. The door is lock using bolts, but they are activat by electricity. Unlike an singapore lead lock, which requires constant electricity to operate, an electromechanical lock requires power only when the door is open or clos.To operate an electromechanical lock, power is requir only when it is open/clos, and in the event of a power outage, it can be open with a regular key
By installation method
There is a classification of locks according to the method of their installation:
- overhead. Currently, they are practically not us on metal entrance doors, but are usually install on wooden panels so as not to violate their integrity. For them, they will be more reliable than mortise structures. Overhead models can be install on homemade metal Types of locks for metal doorsin entrances, shs or other utility rooms, when the panel consists of only one sheet of metal;Most often, surface-mount locks are install on wooden doors or metal doors in garages, shs and other utility rooms.
- mortise. They are the most common option for metal entrance doors. They are install in a niche made in the end of the door leaf, to which they are attach using a special strip. The burglar resistance of such structures is high and largely depends on the quality of the core us;Mortise locks are most often install in metal entrance doors
- insert. This is the newest type of door locks. They differ from mortise locks in that they are insert into a special pocket, which is made inside the door leaf, and only the bolts protrude outward. This solution allows for increas burglar resistance, but in order to repair or replace a broken lock, you will have to disassemble the entire door.If the insert lock breaks, you will have to disassemble the door leaf to repair it.
By burglary resistance class
The burglary resistance class of a lock is characteriz by such an indicator as the time spent on breaking it using mechanical or electrical action.
There are 4 burglar resistance classes:
- the first is characteriz by low Types of locks for metal doors resistance, so these locks are not suitable for entrance doors and are usually us inside the house;
- the second – five minutes are enough to break in. If you decide to install such a lock at the entrance, then you must either use an additional locking device with it, or mount it on one of the double doors, and install a more reliable device on the other;
- the third class has increas security properties, so it will take thieves about ten minutes to break it. This option is most often us on metal entrance doors. In order to ensure higher security, experts recommend installing two such locks at the same time;
- The fourth class has the maximum Types of locks for metal doors resistance indicators – a professional will spend about thirty minutes to open it. If you purchas a door with such a lock and additionally install an alarm, then you can be calm about the property and valuables in your house or apartment.
