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PAR-JHD72ESL-R-SS60
Union HD72ESL-R DDA 60mm Backset Euro Escape Sashlock Satin
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Union HD72ESL-R DDA 60mm Backset Euro Escape Sashlock Satin with Radius Forend BS EN 12209
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Description
Mortice Escape Lock
Union HD72ESL-R DDA Euro Escape Sashlock Satin Finish
Architectural environments require door hardware that manages to balance stringent safety protocols with daily operational ease for every building occupant. This Union HD72ESL-R escape sashlock provides a sophisticated solution for high-frequency fire doors where immediate exit capability is necessary while maintaining a secure, locked position for external entry. It serves as an ideal choice for offices, public buildings, and commercial facilities that demand a high level of performance from their door hardware installations.
The engineering team at Union has prioritised longevity and user comfort, creating a hardware unit that withstands the rigours of heavy footfall while remaining smooth enough for users with limited dexterity. Finished in high-grade satin stainless steel, this lockcase offers a clean, professional aesthetic that blends well with modern lever furniture. Because the unit is rigorously tested to exceed 3.5 million cycles, it reduces the ongoing maintenance burden for facility managers who need to maintain safety standards without constant repair work.
60mm
BACKSET DISTANCE
72mm
CENTRE DISTANCE
3.5M
TESTED CYCLES
DDA
COMPLIANCE
Why Choose the Union HD72ESL-R DDA 60mm Backset Euro Escape Sashlock Satin
This hardware piece delivers superior reliability and safety compliance for busy commercial environments.
Exceptional Mechanical Longevity
By exceeding the standard requirements set by BS EN 12209 by over fourteen times, this lockcase proves its worth in demanding high-traffic areas. You can rely on the internal components to resist wear even when the door is used hundreds of times every single day by members of the public or distracted staff members.
Inclusive Design for Easy Access
Meeting the specific recommendations found in BS8300 and Approved Document M is much easier when you install hardware that naturally supports accessibility. This lock functions with low force, so users of all physical abilities can operate the door without facing the common frustrations associated with older or stiffer locking mechanisms throughout the building.
Smart Escape Functionality
Safety is the primary focus of this design, as the internal lever handle will retract both the latch and the deadbolt with a single, intuitive downward movement. This removes any complexity during an emergency egress situation, allowing occupants to exit the building quickly while maintaining the door in a fully secure state from the exterior.
Engineering Quality and Daily Performance
Every component of this Union lock is precision-engineered to ensure that the door remains both functional and secure throughout its operational lifecycle.
Internal Mechanism and Force Distribution
The interior housing features high-quality mild steel that protects the delicate springs and levers from external pressures. Engineers have balanced the tension in the latch follower so that it feels weighted and smooth rather than gritty or loose. This precise balance of force ensures that the handle returns to its horizontal position perfectly every time, which prevents sagging handles that can ruin the appearance of a clean doorway.
Spindle grip technology integrated into the mechanism works to remove the annoying rattle that often plagues lower-quality lockcases. This attention to detail means that the handle stays firm and quiet even in doors that experience frequent vibrations from heavy slamming or proximity to busy hallways. The result is an installation that feels solid to the touch, reflecting a higher quality standard for your facility or home project.
Weather Resistance and Long-Term Finish
The choice of grade 304 satin stainless steel for the forend and strike plate provides a strong barrier against corrosion and surface tarnishing. This particular alloy resists oxidisation even in environments where humidity fluctuates, such as building entrances or shared facilities where temperature changes might lead to condensation. The finish retains its muted, modern sheen for years without requiring aggressive cleaning agents that might damage the surface integrity.
Because the case is fully enclosed, internal dust and debris have very little chance of entering the mechanism and causing friction. This design effectively keeps the internal lubricants where they belong so that the lock remains smooth for the long term. Maintenance teams will find that the two-piece forend structure allows for easier adjustments or replacements if they ever need to service the door hardware after a decade of continuous, heavy use.
Installation and Operational Workflow
Follow these clear steps to achieve a professional installation that complies with fire safety and accessibility standards.
1
Preparing the Mortice
Begin by measuring your door thickness and carefully checking the 60mm backset requirement to ensure the lock fits accurately. Use the supplied template to mark your drill points for the euro cylinder and spindle, keeping in mind that the unit accepts 38mm centre bolt-through furniture. A neat mortice cut prevents the wood from splintering and guarantees that the lockcase sits flush.
2
Handing and Positioning
Since the latch is designed for quick reversal on-site, you can easily adapt the lock for either left-handed or right-handed doors. Slide the lock body into the mortice and secure the forend using the provided screws. Make sure the body is perfectly square within the door frame to avoid unnecessary friction when the latchbolt retracts during daily operation.
3
Strike Plate Alignment
The adjustable strike plate allows for minor movements in the door frame over time without requiring you to move the entire plate. Fasten the strike plate to the door frame with care, ensuring that the deadbolt and latch align smoothly without binding. Once the door is closed, verify that the handle movement triggers an effortless retraction of both bolts.
Expert Installation and Care Tip
When installing, always check the door clearance to ensure the splinter guard is seated correctly, as this finish touch hides any minor imperfections in your wood cutting. Avoid using harsh chemical sprays or abrasive cloths when cleaning the stainless steel, as a simple damp cloth with a mild soapy solution is enough to keep the satin finish looking brand new.
Technical Specifications
| Feature | Rating / Standard | Practical Details |
|---|---|---|
| Backset | 60mm | The distance from the edge of the door to the centre of the cylinder hole. |
| Centres | 72mm | Standard spacing for euro cylinder and handle follower alignment. |
| Fire Rating | EN 1634-1 | Approved for 30 and 60 minute timber fire doors plus 240 minute metal doors. |
| Cycle Count | 3.5 Million | Tested well beyond the minimum requirements to ensure high-frequency utility. |
| Forend Material | 304 Stainless Steel | Corrosion-resistant satin finish for lasting aesthetic appeal. |
Longevity and Trade Reliability
This lockcase is designed for those who value long-term value over short-term savings. By choosing this hardware, you invest in a product that handles the stress of public usage while maintaining its smooth operation for over a decade, which significantly lowers your future maintenance costs.
Compatibility and Fitting Notes
This lock is compatible with most standard euro profile cylinders, but we recommend checking that your cylinder length is appropriate for the door thickness.
Always ensure your lever handles are designed for a 72mm centre distance to avoid any mechanical misalignment or handle drooping issues after installation.
If you are fitting this to a fire door, ensure that all intumescent materials are applied as specified by the door manufacturer to maintain the fire integrity rating.
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 |