Locks are one of the key components in securing doors and protective systems. Each type of lock has its own specific features and is designed for different applications. Therefore, knowing the best lock for the intended location is of great importance. In this article, we will review various types of locks used for anti-theft doors. We will also examine the features, materials, advantages, disadvantages, and common applications of each type.

Additionally, this article will help you make a better choice for your security needs and gain a better understanding of how each lock works and its typical uses. Let’s dive in and review these locks together.

The Cheapest Lock on the List: Single Lock (Commonly Known as Bull Lock)

Top Lock #1: Bull Lock

A single lock typically consists of a simple mechanism with a single latch in the center of the door, which is opened and closed using a key. This type of lock is not specifically designed for anti-theft doors but still provides good security. These types of locks have long been used for iron and metal doors in villas.

Material: Usually made from strong and durable metals such as hardened steel to offer good resistance against impacts and attempts to force it open.

Advantages: Simple and quick installation – Good security due to the sturdy structure – Very affordable compared to double or central locks.

Disadvantages: More vulnerable to advanced unlocking methods – May not be suitable for very large or heavy doors.

Common Applications: Used for miniature metal doors, particularly in residential and villa settings.

Country of Origin: Many of the initial designs for these locks came from European countries such as Germany and Italy. However, they are also produced in our country.

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Double Locks for Anti-Theft Doors

Top Lock #2: Double Anti-Theft Lock

These types of locks consist of two individual locks that operate separately to provide greater security for anti-theft doors. One lock acts as the main lock in the center of the door, and the second lock serves as the night latch at the top.

Material: Typically made from steel or resilient metal alloys, providing high resistance against physical impacts. These locks include a cylinder and are protected by steel escutcheons to safeguard the cylinder.

Advantages: Increased security due to the two separate locks – Suitable for prominent and regular anti-theft doors – Reliable performance in various conditions.

Disadvantages: Higher cost due to the dual-lock system – More complex installation and maintenance.

Common Applications: Used in anti-theft doors – For high-security areas like banks and large corporations.

Country of Origin: Many manufacturers of these locks operate in Europe and the U.S. However, it’s widely known that these locks were first imported to Iran from Turkey. The first and most reputable company exporting them to Iran was the Turkish brand Kale. Additionally, after Kale, another top Turkish brand named Daf entered the Iranian market and is still available.

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Semi-Central Anti-Theft Locks

Top Lock: Semi-Central Lock

Semi-central locks typically consist of a central locking system with multiple latches that operate semi-automatically. With the turn of a key, the latches move simultaneously and lock the door at four points with eight pins.

 

Material: Made from high-strength metals like steel.

Advantages: High security with semi-automatic operation – Suitable for heavy doors.

Disadvantages: Complex maintenance and repairs – Higher cost compared to regular locks.

Common Applications: Used in anti-theft doors and high-traffic locations.

Country of Origin: Many of these locks are designed and produced in European countries. However, most of them were imported to Iran from Turkey.

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Top Lock: 14-Latch Central Anti-Theft Lock

14-Latch Central Lock by Kale

The 14-latch lock is an advanced security lock that includes eleven latches on the sides, one latch at the top, and one latch at the bottom. Additionally, this lock is equipped with a night latch, bringing the total number of latches to fourteen.

This system is designed so that when all the latches are activated and properly aligned, a sturdy frame forms around the door. This feature ensures that the 14-latch lock provides a very high level of security.

Material: Made from steel or metal alloys resistant to pressure and impact.

Advantages: Extremely high security due to the large number of latches – Suitable for lobby and heavy doors.

Disadvantages: High cost – Requires precise installation and adjustment.

Common Applications: Used in anti-theft doors in high-security areas such as offices with important documents, homes with expensive valuables, banks, and museums.

Country of Origin: The initial designs for these locks originated in European countries.

 

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Last Lock on Today’s List: Hook Locks

Top Lock: Hook Lock by Kale

The hook lock is an excellent option for enhancing the security of anti-theft doors. Installing this type of lock significantly improves building security. These locks are used as the main door lock, and with strong hooks that directly engage the door frame, they provide added security. A standout feature of these locks is that they are designed without a traditional cylinder, making it impossible for burglars to break the lock from the inside and enter.

 

Instead of traditional triple latches, hook locks use hook-shaped latches that fully engage with the frame when the key is turned. This unique design makes the door significantly more resistant and secure than regular locks. The hook lock is equipped with a cylinder and can only be opened with a specific key. As a result, breaking into the door or gaining unauthorized access to the building becomes much more difficult for burglars.

Advantages: High security and resistant to tampering – Simple and quick installation.

Disadvantages: May require precise adjustments – Could need maintenance over time.

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Conclusion

Ultimately, choosing the right anti-theft lock can significantly enhance the security of your building. Each type of lock, from single and double locks to hook and 14-latch locks, has its own features and benefits that can be used for different purposes based on specific security needs. By understanding each of these locks and considering your specific requirements, you can achieve greater security and ensure that your home or workplace is well protected.

Thank you for staying with Altin Door until the end of this article. If you have any questions or uncertainties, feel free to leave a comment below this article, and we will provide you with the necessary explanations. If you found this article helpful, we kindly ask you to share it with your friends.

Until next time, goodbye.