Legge 3722 79Mm Np Mortice Door Latch
In stock
Delivery Information
| Delivery Time Frame | Delivery Information |
| Next Working Day By 1PM | When an order is placed by 3pm for next working day on certain items |
| Standard Delivery | Usually delivered in 2 to 4 working days |
| Delivery Charges | |
| UK Mainland | Prices start at £3.95 for very small items, £6.50 for small, £9.50 for medium and £20 for large/long items |
| Scottish Highlands & Islands, Northern Ireland & Ireland | Prices from £30, please see our delivery page for more info. |
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Description
Legge 3722 79Mm Np Mortice Door Latch
Choosing the right hardware for your interior doors is a critical decision that influences both the functionality and the security of your property. The Legge 3722 79Mm Np Mortice Door Latch stands as a benchmark in the industry, offering a seamless blend of strength, reliability, and refined aesthetics. Designed for those who refuse to compromise on quality, this component ensures that every interaction with your door is smooth and secure.
Whether you are a professional contractor managing a commercial refurbishment or a homeowner upgrading your living space, this hardware provides the necessary resilience to withstand years of constant use. Its nickel plated finish adds a layer of protection against environmental stressors while maintaining a clean, professional appearance that integrates perfectly with modern interior design themes.
Understanding the Mechanics of Professional Door Hardware
At the heart of this item lies a robust mechanical system engineered to handle consistent mechanical stress and daily wear. When you operate the door handle, you are initiating a sequence of physical movements that rely on the precision engineering of the internal spring mechanism. This specific model utilizes high tension steel components that are calibrated to provide the perfect amount of resistance, ensuring the latch tongue retracts fully and engages firmly every single time.
The physics of this system revolves around the distribution of force. When the handle is turned, the rotational torque is converted into linear motion. Because of the heavy duty materials utilized in the construction of this piece, the structural integrity of the internal levers is never compromised. You will not experience the annoying component flex often associated with cheaper, lightweight alternatives, meaning the latch will maintain its operational performance throughout its entire service life.
Key Operational Benefits of the Mortice Design
The mortice installation method is favoured for its ability to hide the bulk of the mechanism inside the door frame itself. This provides a sleek aesthetic that does not clutter the visual lines of your joinery. Beyond the visual appeal, there are several functional advantages to selecting this equipment for your projects.
- The recessed placement of the unit protects the delicate internal springs from dust and debris accumulation, which is a major factor in hardware failure.
- The nickel plating finish serves as a barrier against oxidation, making it highly effective for rooms that experience fluctuations in humidity, such as kitchens or bathrooms.
- Precision casting ensures that every single component fits tightly together, effectively reducing the rattling sounds that indicate lower quality manufacturing.
- The 79mm footprint is designed to provide sufficient depth to accommodate standard handle configurations, making it a highly versatile choice for various architectural styles.
Step by Step Interaction and Operational Workflow
Understanding how a user interacts with this hardware highlights why it is such a popular choice for high traffic environments. The process begins when the user approaches the door and engages the handle. As the lever is depressed, the internal spindle rotates and interacts directly with the latch follower. This movement applies force to the spring, overcoming the tension and retracting the latch bolt into the door edge.
Once the door is pushed or pulled, the user releases the handle. The internal coil spring, built to retain its elasticity over hundreds of thousands of cycles, pushes the latch bolt back into the extended position. As the door closes, the bevelled edge of the latch bolt meets the strike plate on the door frame. This contact causes a momentary retraction, allowing the bolt to slide easily until it reaches the cut out, where it snaps firmly into place to keep the door secure.
Ergonomic Advantages and Safety Compliance
In a commercial or professional setting, safety and ergonomics are of paramount importance. Using high quality door furniture reduces the physical effort required to operate a door, which is essential for ensuring compliance with accessibility standards. This model provides a consistent and predictable feel that helps prevent operational errors, such as doors failing to latch properly, which can be a significant security risk.
The smooth operation afforded by the precision manufacturing reduces repetitive strain. While this may seem minor, in buildings with dozens of doors, ensuring that each latch operates with minimal resistance contributes to a more accessible and user friendly environment for all occupants. By choosing the Legge 3722 79Mm Np Mortice Door Latch, you are investing in a product that aligns with modern safety protocols and quality benchmarks.
Commercial Value and Long Term Durability
Investing in superior hardware represents a strategic decision that offers substantial long term savings. When maintenance teams or building owners choose low cost, inferior latches, they often find themselves replacing components within just a few years due to spring fatigue or finish degradation. This cycle of failure increases operational overheads, including the costs of replacement units, labour charges, and the loss of productivity associated with door repairs.
By installing this high performance hardware, you are effectively lengthening your maintenance cycles. The superior metal alloy construction ensures the latch continues to operate with the same smoothness it had on day one. Protecting your assets involves more than just physical locks, it involves the quality of the furniture that governs how those doors move and function. This item represents a high return on investment by providing a set and forget solution for your property.
Pro Tip for Installation
Always ensure your mortice cut out is clean and free from wood splinters before inserting the latch. A perfect fit is the first step toward long term operational success and prevents the housing from becoming stressed inside the door cavity.
Technical Specifications
We provide the following data to ensure that you can match this component correctly to your door thickness and style requirements. Please refer to this table when planning your door hardware upgrades.
| Feature | Specification |
|---|---|
| Product Name | Legge 3722 79Mm Np Mortice Door Latch |
| Finish | Nickel Plated |
| Case Depth | 79mm |
| Material | High Grade Steel and Alloy |
| Application | Internal Doors |
| Spring Mechanism | Heavy Duty Coil |
| Design Type | Mortice |
Selecting the Right Hardware for Your Project
When you are looking for a reliable solution for internal doors, the Legge 3722 79Mm Np Mortice Door Latch stands out for its structural integrity and ease of integration. Whether you are replacing old hardware that has lost its tension or finishing a new build, this unit provides the consistency you need to keep your doors functioning perfectly. We recommend this for anyone prioritising durability and a professional finish in their interior door projects.
Our commitment at Doorfit is to provide high quality components that make your work easier and your doors more secure. This model is a testament to that commitment, offering a balance of traditional manufacturing techniques and modern material science. Make the smart choice for your next installation and ensure your doors remain secure and easy to operate for years to come.
Specification
| Manufacturer | Legge |
|---|---|
| Guarantee | 10 Year |
| Lock Backset | 60mm |
| Follower Size (mm) | 8 |
| Faceplate Width | 25mm |
| Mechanism | Latch |
| Door Material Suitability | Wood |
| Forend Finish | Nickel Plated |

