Union 2234E 5 Lever Sashlock 80mm Polished Brass BS3621
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
Union 2234E 5 Lever Sashlock 80mm Polished Brass BS3621
Securing your premises requires hardware that balances aesthetic elegance with uncompromising physical resilience. The Union 2234E 5 Lever Sashlock 80mm Polished Brass BS3621 represents the pinnacle of mortice lock engineering for timber doors. Designed specifically to meet the rigorous demands of modern security standards, this unit serves as a robust shield against forced entry while maintaining a refined look for your entryway.
Whether you are upgrading a domestic property or managing the security requirements of a commercial building, this item provides the peace of mind that only certified hardware can offer. With its polished brass finish and hardened steel internal components, it is a versatile addition to any door setup that values both safety and traditional style.
Understanding the Mechanical Physics and Force Resistance
The mechanical integrity of this mortice lock is derived from a sophisticated internal lever mechanism that requires a precise physical sequence to actuate the deadbolt. When the key is inserted and turned, each of the five levers must align perfectly against the gate of the bolt stump, allowing the bolt to slide forward into the strike plate.
The engineering team at Union has integrated anti-pick, anti-saw, and anti-drill security features to ensure that even under high physical pressure, the internal components maintain their structural state. The deadbolt itself features hardened steel rollers which act as a frictionless defense against hacksaw attacks, as the material will simply rotate rather than allowing the blade to bite into the core.
Furthermore, the 20mm throw of the deadbolt ensures that the locking mechanism engages deeply into the door frame, providing a substantial resistance to lateral force or door spreading attempts. By utilizing high quality brass and steel, the manufacturers have created a lock that resists thermal and physical fatigue over years of daily use.
Step by Step Operational Workflow
Interacting with this locking solution is intuitive and designed for seamless daily performance. From the outside, the user begins by inserting the nickel plated key into the keyhole. As the key rotates, it engages the five individual levers, which must clear the obstruction in the bolt stump path. This rotation drives the hardened steel deadbolt into the frame.
To withdraw the bolt, the user performs a reverse rotation, retracting the mechanism smoothly. For the latching function, the handle is depressed to withdraw the brass latch bolt against a spring tension. This release is calibrated to provide a satisfying level of resistance, confirming to the user that the spring mechanism is functioning correctly without requiring excessive force from the wrist or hand.
The ability to reverse the latch bolt allows for versatile installation on doors hinged on either the left or the right side. This flexibility ensures that the operation remains smooth and friction-free regardless of the door swing direction, preventing unnecessary wear on the internal follower or the surrounding timber edge.
Ergonomic Health and Compliance
Beyond simple locking capabilities, this hardware contributes significantly to the safety of a building. It is fully assessed under EN 1634-1 for use on sixty minute timber fire doors, meaning it will not compromise the integrity of fire protection measures during an emergency. This compliance is essential for businesses that must adhere to strict building regulations.
From an ergonomic perspective, the smooth movement of the levers reduces the physical effort needed to lock and unlock the door. By minimising the force required to operate the key, the design helps prevent repetitive strain for elderly users or those with limited grip strength. The equipment is pierced to accept bolt through furniture, which provides a more stable handle assembly and prevents the door furniture from loosening over time, thus ensuring a safer grip for all users.
Commercial ROI and Long Term Value
Investing in the Union 2234E 5 Lever Sashlock 80mm Polished Brass BS3621 is a decision rooted in long term cost avoidance. Cheaper alternatives often suffer from internal mechanism failure, such as spring snapping or lever jamming, which leads to emergency locksmith callouts and potential security breaches. This model is backed by a 15 year guarantee, underscoring the confidence in its durability.
By protecting your inventory and premises with a police-approved, Secured by Design product, you significantly reduce the risk of insurance premiums rising due to break-ins. The high standard of construction means that the lock will retain its operational functionality far longer than standard hardware, thereby reducing the total cost of ownership through fewer replacement cycles and minimal maintenance requirements.
The polished brass finish is not merely for aesthetics, as it provides a protective layer against environmental oxidation and corrosion. This ensures that the hardware continues to look professional and functions perfectly even in areas prone to dampness or heavy environmental exposure, maintaining your property value and professional appearance.
Key Features and Installation Benefits
- The Union 2234E 5 Lever Sashlock 80mm Polished Brass BS3621 is built to the rigorous BS3621:2007 standard to ensure maximum security performance.
- The integration of anti-drill, anti-saw, and anti-pick technology provides a comprehensive defense against common forced entry methods.
- A 20mm deadbolt extension ensures deep penetration into the frame for superior locking force.
- The unit is fully reversible, which makes it suitable for both left and right handed timber doors without the need for complex modifications.
- It is approved for use on sixty minute timber fire doors, meeting vital safety regulations for commercial and domestic environments.
- The polished brass finish offers a premium look that is resistant to tarnishing while complementing traditional interior designs.
- Security box striking plates are included to provide an additional layer of protection against frame spreading attacks.
Not sure if this mortice lock is right for your requirements? If you are not sure if this mortice lock is right for your requirements please contact our friendly team today.
Technical Specifications
| Specification | Detail |
|---|---|
| Case Size | 79.5mm (2.5 inch) |
| Backset | 57.5mm |
| Faceplate Dimensions | 177mm x 25mm |
| Case Height | 111mm |
| Deadbolt Material | Brass with hardened steel rollers |
| Latch Material | Reversible brass latch bolt |
| Follower Size | 8mm square |
| Finish | Polished brass forend and striking plate |
| Security Level | BS3621:2007 / Secured by Design |
| Warranty | 15 Year Guarantee |
Choosing the correct hardware is the first step in protecting your property. This mortice lock offers the reliability that property owners trust when securing their most valuable assets. With its heavy duty construction, police approval, and refined finish, it is the ideal choice for any demanding application. Whether you are conducting a full building security upgrade or simply replacing an outdated lock, this high-performance solution delivers consistent reliability. Reach out to our team at Doorfit today to learn more about how this product can secure your home or business.
Specification
| Manufacturer | Union |
|---|---|
| Dimensions | 111 (H) x 79.5 (D) |
| Guarantee | 15 Year |
| Lock Type | Mortice Sashlock |
| Lock Operation | Lever |
| Lock Backset | 57mm |
| Lock Centres | 57mm |
| Follower Size (mm) | 8 |
| Faceplate Width | 25mm |
| Environmental Suitability | All |
| Mechanism | Sashlock |
| Door Material Suitability | Wood |
| Max Door Thickness (mm) | 54 |
| Forend Finish | Polished Brass |
| Security Standards | BS3621:2007 |

