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Union L2C21S DDA 55mm Backset 72mm C/C Euro Sashlock Satin
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Union L2C21S-SS DDA 55MM Backset 72MM C/C Euro Mortice Sashlock
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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£31.80
Incl. VAT
£26.50
Excl. VAT
Incl. VAT
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Description
Union L2C21S DDA 55mm Backset 72mm C/C Euro Sashlock Satin
When searching for reliable door hardware that balances security with accessibility, the Union L2C21S DDA 55mm Backset 72mm C/C Euro Sashlock Satin stands out as a premier choice for commercial and residential environments. This high-performance mortice sashlock has been precision-engineered to meet the rigorous demands of modern building regulations. It provides a seamless user experience while maintaining the structural integrity required to secure high-traffic entryways.
Designed with a modular approach, this component excels in diverse settings, from office complexes to public buildings. By choosing this hardware, you ensure that your premises remain safe while supporting ease of access for all visitors, regardless of their physical abilities. Its sleek satin stainless steel finish offers a sophisticated appearance that complements contemporary door furniture effortlessly.
Understanding the Mechanical Physics and Structural Integrity
The mechanical efficiency of this unit relies on sophisticated internal engineering that manages force and torque with precision. When you turn the key, the double throw mechanism engages a 20mm deadbolt throw, which is specifically designed to resist tampering and brute force attempts. The internal springs are calibrated to offer just the right amount of resistance, preventing the fatigue often associated with inferior locking mechanisms.
The latch bolt is constructed from premium stainless steel, a material chosen for its exceptional shear strength and resistance to friction wear. Because the internal follower is made from high-grade zinc, it provides smooth rotation under the weight of unsprung lever furniture. This balance of materials ensures that the internal components do not suffer from metal fatigue, maintaining a smooth operational feel for thousands of cycles.
Operational Workflow and Daily Interaction
Using this sashlock in your daily workflow is an intuitive process that feels both solid and effortless. When approaching a door equipped with this system, the user simply depresses the lever, which immediately retracts the latch bolt due to the optimized spring tension inside the casing. This fluid movement removes the physical strain often found in cheaper, non-compliant locks, making it an ideal choice for high-frequency access points.
To lock the door securely, the user inserts the euro profile cylinder and rotates the key through two distinct stages. The first turn initiates the primary bolt projection, and the second turn confirms the double throw, ensuring the deadbolt is fully seated within the strike plate. This secondary locking action provides a clear tactile and auditory feedback, allowing the user to feel completely secure knowing the mechanism is fully engaged.
Ergonomics, Safety, and Regulatory Compliance
This item is more than just a security device, as it acts as a critical component in meeting stringent accessibility standards. By adhering to the recommendations of BS8300 and Approved Document M of the Equality Act, this lock assists facility managers in ensuring that their buildings are inclusive. The reduced force required to operate the handle minimizes physical strain for users with limited grip strength or mobility issues.
Safety is further enhanced by the fire door assessment of this unit. It has been tested for use on 30 and 60 minute timber fire doors, meaning that in the event of a fire, the structural integrity of the lock remains uncompromised. This prevents the door from warping or failing, which is a vital factor in maintaining fire compartmentation and protecting lives during an emergency.
Need assistance with your installation or configuration? If you are not sure if this mortice lock is right for your requirements, please contact our friendly team today.
Commercial ROI and Long Term Value
Investing in Union L2C21S DDA 55mm Backset 72mm C/C Euro Sashlock Satin represents a wise financial decision for business owners and property developers. While lower-cost alternatives may seem attractive initially, the maintenance and replacement cycle for standard hardware is significantly shorter. This premium unit is designed to withstand the wear and tear of a commercial building, thereby reducing the need for costly emergency call-outs or repairs.
- The durable stainless steel construction prevents surface oxidation and internal corrosion, ensuring the lock functions perfectly in high-humidity areas.
- The 5-year guarantee provided with this model demonstrates the manufacturer's confidence in its longevity and mechanical reliability.
- By reducing the frequency of hardware failures, you decrease your operational overheads and administrative time spent on building maintenance.
- The modular design allows for future upgrades or modifications to your door security without needing to replace the entire mortice assembly.
- Ensuring full compliance with the Equality Act protects your business from potential legal liabilities related to building accessibility and safety.
Technical Specifications
This model is built to high manufacturing standards, as detailed in the following table. These measurements allow locksmiths and contractors to install the unit with absolute accuracy, ensuring the door remains square and operates without binding.
| Feature | Specification |
|---|---|
| Case Size | 83mm |
| Backset | 55mm |
| Centres | 72mm |
| Faceplate Dimensions | 235mm x 24mm |
| Case Height | 165mm |
| Follower Size | 8mm |
| Deadbolt Throw | 20mm |
| Escutcheon Centres | 38mm |
Installation is straightforward for professionals due to the precision of the case design. The sashlock is pierced to accept bolt-through furniture and security roses, which provides a rigid and secure fitment that prevents the furniture from becoming loose over time. The latch bolt is easily reversible, meaning you can adapt the lock for doors hinged on either the left or the right side without requiring special tools.
Whether you are outfitting a new commercial office build or refurbishing an existing facility, this Union L2C21S DDA 55mm Backset 72mm C/C Euro Sashlock Satin provides the ideal blend of strength and accessibility. Its compliance with fire safety standards and the Equality Act makes it a professional-grade solution for any environment requiring high security and ease of use. Trust in the quality of this hardware to secure your property for many years to come.
By integrating this sashlock into your building, you are not merely installing a lock, but a comprehensive safety system. The attention to detail in its construction reflects a commitment to quality that translates into peace of mind for you, your staff, and your visitors. Should you have any questions regarding compatibility with your existing doors or specific regulatory needs, our support staff are ready to assist you in selecting the correct configuration for your unique application.
Specification
| Manufacturer | Union |
|---|---|
| Dimensions | 165 (H) x 83 (D) |
| Guarantee | 5 Year |
| Lock Type | Mortice Sashlock |
| Lock Operation | Euro Cylinder |
| Lock Backset | 55mm |
| Lock Centres | 72mm |
| Follower Size (mm) | 8 |
| Faceplate Width | 24mm |
| Environmental Suitability | All |
| Mechanism | Cylinder |
| Door Material Suitability | Wood |
| Max Door Thickness (mm) | 75 |
| Forend Finish | Stainless Steel |