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Union HD72ESL-S DDA 60mm Backset Euro Escape Sashlock Satin
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Union HD72ESL-S DDA 60mm Backset Euro Escape Sashlock Satin with Square Forend BS EN 12209
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Description
Union HD72ESL-S DDA 60mm Backset Euro Escape Sashlock Satin
Finding the right door hardware for commercial environments requires a balance between extreme durability and seamless user accessibility. The Union HD72ESL-S DDA 60mm Backset Euro Escape Sashlock Satin provides a sophisticated solution that meets the rigorous demands of high-traffic buildings while ensuring compliance with modern accessibility standards.
This premium lockcase is engineered for environments where hardware is subjected to heavy use by the public or individuals who may not always handle door furniture with care. By choosing this hardware, you are investing in a product that has been independently tested to endure over 3.5 million operational cycles. This longevity ensures that your doors remain functional and secure for many years without the need for constant maintenance or replacement.
Mechanical physics and operational resilience
The internal mechanics of this model are designed to distribute mechanical stress evenly across the steel chassis. During the operation of the lever handle, the force is transferred through a precision-engineered follower mechanism, which is designed to resist wear and prevent the development of internal slop or rattling over time. The material composition of the case involves heavy duty mild steel, providing an enclosure that protects the internal springs and cams from external contamination or physical impact.
The latch follower technology specifically addresses the mechanical fatigue often seen in standard locksets. By ensuring smooth movement throughout the rotation, the design eliminates the grinding friction that leads to premature failure. The steel, chrome plated deadbolt serves as a robust barrier against forced entry, offering a consistent resistance that gives building managers peace of mind regarding the structural integrity of their access points.
Step by step operational workflow
Understanding how this equipment interacts with the user is vital for effective installation and building management. From the internal side, the escape function is designed for instantaneous egress. When a person turns the lever handle, the latch and deadbolt are retracted simultaneously in one fluid movement. This is crucial for fire safety and emergency evacuation procedures.
When the unit is in an unlocked state, turning the handle retracts only the latch, allowing for normal passage. For locking the door from the outside, the user simply employs the euro profile cylinder key or turn. If the deadbolt is already extended, the internal spring mechanism allows the cylinder to retract the deadbolt on the first turn and, with a continuation of that motion, retracts the latch bolt as well. This dual-action capability ensures that the door remains both secure and easy to operate without needing multiple keys or complex maneuvers.
Ergonomic health and safety compliance
Accessibility is a cornerstone of modern building regulations. This item is specifically designed to assist in fulfilling duties under the Equality Act. By complying with the recommendations found in BS8300 and Approved Document M, this lock ensures that people of all physical abilities can navigate your building with ease. The handle movement is light and intuitive, which reduces physical strain for elderly users or those with limited dexterity.
Beyond accessibility, the inclusion of a splinter guard ensures a clean, professional finish upon installation. The adjustable strike plate is a thoughtful addition that helps reduce door rattle, which can often contribute to sensory overload or noise pollution in busy office or hospital environments. Every aspect of the hardware, from the 72mm centres to the precisely calibrated spindle grip, is crafted to reduce the cognitive and physical load on the end user.
Commercial ROI and long term asset protection
Investing in superior door hardware is one of the most effective ways to reduce your long term operational expenditure. Standard locksets often fail within a few years of intensive use, leading to costly call-out fees for locksmiths, the purchase of replacement parts, and the loss of productivity during door downtime. By installing a unit with a 3.5 million cycle rating, you effectively shift your maintenance cycle from a reactive, short-term model to a proactive, long-term asset management strategy.
Choosing the Union HD72ESL-S means you are prioritising site safety. With CE marking, Certifire approval under CF5543, and fire testing to EN 1634-1, this hardware acts as a vital component in your building fire safety strategy, potentially lowering insurance premiums and improving site audit results.
Key performance features
- The case is built with European DIN style dimensions to ensure universal compatibility with existing commercial door setups.
- Users benefit from a 20mm single throw deadbolt that provides rapid and secure locking action.
- The quick reversible latch allows for seamless on-site handing adjustments, which saves time during the initial fitting process.
- Internal spindle grip technology effectively eliminates the common annoyance of loose or rattling handles.
- The two piece forend design provides a visually appealing aesthetic that is easy to remove for regular maintenance checks.
- It is factory-pierced to accept industry-standard bolt through furniture with 38mm centres, simplifying the hardware selection process.
- A 15 year covers the performance of this unit, providing tangible proof of the manufacturer confidence in their engineering.
Technical specifications
Below is a comprehensive breakdown of the technical dimensions and performance standards for this hardware.
| Parameter | Detail |
|---|---|
| Case Size | 90mm |
| Backset | 60mm |
| Centres | 72mm |
| Follower | 8mm |
| Faceplate dimensions | 235mm x 24mm |
| Case height | 165mm |
| Escutcheon centres | 38mm |
| Finish | Satin stainless steel forend |
| Cycle rating | Exceeds 3.5 million |
| Fire rating | 30, 60, and 240 minute standards |
Compliance Summary
- Tested to BS EN 12209 : 2003
- CE Marked
- Certifire approved: CF5543
- Tested to EN 1634-1 2014 on 30 and 60 minute timber fire doors and 240 minute metal fire doors
- Assists in fulfilling duties required under the Equality Act (EA)
- Satisfies recommendations of BS8300 and Approved Document M (ADM)
Final considerations for procurement
Whether you are outfitting a new commercial development or retrofitting an existing healthcare facility, the choice of lockcase determines the daily experience of every occupant. The Union HD72 range has been designed with a consistent footprint, which means that upgrading to this high-durability model is straightforward and requires minimal modification to your current door frames.
If you are not sure if this mortice lock is right for your requirements, please contact our friendly team today. Our experts at Doorfit are on hand to verify your door specification, discuss your fire safety compliance needs, and ensure you receive the correct hardware for your project. Do not settle for hardware that requires constant attention when a industry-leading solution is ready for immediate deployment.
Reliability, compliance, and ease of use are not just luxury features in the world of commercial security. They are the requirements for a functioning, safe, and professional environment. By selecting this hardware, you ensure that your doors remain the first line of defence while simultaneously providing an accessible route for all members of the public.
Specification
| Manufacturer | Union |
|---|---|
| Guarantee | 15 Year |
| Lock Type | Mortice Escape Lock |
| Lock Operation | Euro Cylinder |
| Lock Backset | 60mm |
| Faceplate Width | 24mm |
| Forend Finish | Stainless Steel |