Dirock Mortise Locks: The Ideal Solution for Fire Rated and Smoke Control Doors
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Dirock Mortise Locks: The Ideal Solution for Fire Rated and Smoke Control Doors

Views: 0     Author: Site Editor     Publish Time: 2023-07-27      Origin: Site


When it comes to fire safety and security, there is no room for compromise. Whether you're an architect, contractor, or building owner, selecting the right door hardware is crucial to ensure the utmost protection in the event of a fire. It is the combination of fire doors and their related fire door hardware that can effectively prevent the spread of fire and smoke.

In this article, we will introduce you to Dirock mortise locks, a premium solution specifically designed for fire rated and smoke control doors. We will explore the features, benefits, and applications of Dirock mortise locks, highlighting why they are the go-to choice for professionals in the industry.

1. Understanding Fire Rated and Smoke Control Doors

Before delving into the specifics of Dirock mortise locks, it is essential to understand the importance of fire rated and smoke control doors.

Fire rated doors are constructed with fire-resistant materials, such as steel or solid timber, and are tested and certified to resist fire for a specific period, typically ranging from 30 minutes to 3 hours. These doors are essential in compartmentalizing a building, limiting fire spread and enabling safe egress.

Smoke control doors, on the other hand, are designed to prevent the spread of smoke and toxic fumes during a fire. They help maintain clear evacuation routes and aid firefighters in their rescue operations. Smoke control doors are usually equipped with smoke seals and other specialized components to ensure optimal performance.


2. Know about Fire Rated Mortise Locks

For fire doors, fire locks are of vital importance. The key function of fire doors is to remain closed at all times. Only in this way, in the event of a fire, can the further spread of the fire be prevented. The latch bolt plays a part in keeping the fire door closed. Therefore, fire mortise locks are needed in fire doors. These locks are designed to withstand high temperatures during a fire, ensuring the functionality of fire doors and effectively preventing the spread of fire and smoke.


2.1. Requirements for Mortise Locks used on Fire Foors

Let's first understand European Standards (EN). The European Committee for Standardization (CEN) has established a comprehensive series of standards, known as the EN series, which is relevant to us is the fire safety regulations of door hardware. These standards provide guidelines for testing, classification, and performance requirements to ensure the reliability and effectiveness of fire safety measures.

Among these standards, EN 12209 is specifically applicable to mechanical mortise locks and their lock strike plates, outlining the durability, strength, security, and functionality requirements, as well as testing methods.

So, whether it comes with the correct certification and has been properly tested and ensured that it meets the fire rating, is the general requirements for fire mortise locks, the detailed requirements can be summarized as follows:

  • Must be CE marked, indicating compliance with EN 12209 standard.

  • Must pass fire resistance test in accordance with EN 1634-1 standard.

  • The evidence of compliance should be provided by approved third-party certification or testing organizations, such as Intertek or Warrington.

  • Correct installation is essential.

  • When installed in a timber fire door, it must be used with the intumescent protection.

  • Door hardware may wear over time and require regular maintenance to ensure proper functionality throughout the building's lifespan.

2.2 The Features of our Mortise Locks

Our fire mortise locks have obtained CE certification in accordance with EN 12209. The dimensions of our locks comply with DIN 18251. Category of use is Grade 3.

Dirock mortise locks are engineered using durable materials stainless steel, ensuring exceptional strength and longevity.

Once installed on a door, our mortise locks maintain a 3mm gap between the door and the door frame.

The latch bolt projection is 12mm, and the deadbolt projection is 20mm, meeting DIN and fire safety requirements.

The latch bolt is securely welded at four points, ensuring durability and resistance to damage.

The latch bolt pass 200,000 test cycles, and the deadbolt pass 50,000 test cycles .

Capable of withstanding above200kg door mass.

The latch bolt can withstand a resistance to side load of 3000N.

These features guarantee the locks can withstand the extreme conditions associated with fire incidents, providing reliable security when it matters most.

2.3 Fire & Smoke Resisting Compliance

One of the most critical aspects of a mortise lock for fire rated doors is its ability to meet fire rating standards. Dirock mortise locks are rigorously tested and certified to comply with EN1634-1. Passed 90 minutes fire resistant test on wooden doors and 240 minutes on metal doors.

In addition to fire resistance, Dirock mortise locks are designed to effectively restrict the passage of smoke. Their advanced sealing mechanisms and engineered components minimize the infiltration of smoke, creating a safer environment and reducing the risk of smoke-related injuries.

These locks offer the assurance that they will perform flawlessly during a fire, buying valuable time for evacuation and minimizing property damage.

2.4 Corrosion Resistance

Dirock mortise lock pass the grade G corrosion resistance test, which is the very high corrosion resistance about 240 hours; temperature requirement: -10℃ to +60℃.


3. Advantages of Dirock Mortise Locks

When selecting door hardware for fire rated and smoke control doors, Dirock mortise locks offer several advantages:

3.1. Reliability and Durability

Dirock mortise locks are engineered to withstand the harshest conditions, providing dependable performance year after year. Their durability ensures long-term cost savings, reducing the need for frequent replacements or repairs.

3.2. Easy Installation and Maintenance

Dirock mortise locks are designed for straightforward installation, saving time and effort during the construction or renovation process. Additionally, routine maintenance requirements are minimal, allowing building owners and facility managers to focus on other critical aspects of safety and maintenance.

3.3. Versatile Applications

Dirock mortise locks cater to a wide range of applications, including commercial buildings, hospitals, educational institutions, and residential complexes. Their versatility ensures that you can find the perfect lock solution, regardless of the project's size or requirements.

4. Choosing Dirock for Your Fire Rated and Smoke Control Doors

Now that we have explored the features, benefits, and testimonials of Dirock mortise locks, it is evident that they are the ideal choice for fire rated and smoke control doors. Dirock mortise locks offer a premium solution that combines fire resistance, smoke control capabilities, and enhanced security features. With their robust construction, compliance with fire rating standards, and proven reliability, Dirock mortise locks are the go-to choice for professionals in the industry. By selecting Dirock, you can ensure compliance with fire safety regulations.

To learn more about Dirock mortise locks and explore our range of products, visit our website or contact our knowledgeable team of experts. Choose Dirock and experience peace of mind knowing that your fire rated and smoke control doors are equipped with industry-leading hardware.

We can also offer the following fireproof door hardware:

Lever handle: conforms to EN 1906 standard, pass fire resistance test: 120 mins on steel fire door & 60mins on timber fire door.

Profile cylinder:conforms to EN 1303 standard, pass fire resistance test: 60mins on timber fire door.

Door hinge: obtain CE certification, complying with EN 1935 standard , pass fire resistance test: 240 mins on steel fire door & 60mins on timber fire door.





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