Union (Chubb At Heart) 3R35F-R Satin Chrome Lever Furniture
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
Reliable Access Control with Union 3R35F-R Satin Chrome Lever Furniture
Commercial and institutional buildings experience steady daily foot traffic that puts constant pressure on entrance hardware. When standard handles fail to stand up to heavy operation, doors frequently suffer from loose levers, broken springs, and compromised security. Property managers often struggle to balance functional access control with safety, especially on outward-facing perimeter doors or fire escape routes. The Union 3R35F-R Satin Chrome Lever Furniture offers an enduring solution designed specifically to withstand harsh environments while delivering smooth, controlled egress day after day.
Manufactured with the time-tested Chubb At Heart lineage, this heavy-duty door furniture combines an operating internal lever with an external fixed pull. This smart operational design prevents unauthorised entry from the exterior while ensuring fast, effortless exit from the interior. The lever handle features a safe return-to-door profile that prevents loose clothing, work straps, or emergency bags from catching as staff and visitors walk past, making it an outstanding choice for corridors, hospitals, schools, and offices across the United Kingdom.
Finished in a resilient satin chrome coating, this set resists regular moisture, harsh handling, and heavy cleaning regimes. Whether installed onto timber doors or robust composite leaves, the face plate spreads operational torque evenly across the surface of the door. This reliable construction minimises maintenance cycles and ensures your facility remains compliant, functional, and smart over many years of heavy use.
Engineered for Safe Internal Egress
The internal lever mechanism incorporates a heavy sprung design that returns firmly to its horizontal resting position after every turn. This internal springing protects the internal mortice lock latch from unnecessary mechanical fatigue and prevents unsightly handle sag on frequently used corridor doors.
External Fixed Pull Security
On the outer side of the door leaf, the furniture presents a rigid fixed pull plate. This setup requires visitors or staff to operate an approved key or cylinder mechanism to retract the latch, preventing unwanted manual entry while maintaining a professional appearance.
Fully Reversible Handing
Site managers do not need to stress about ordering separate left or right handed units. The internal mechanism allows straightforward handing changes during initial fitting, streamlining project procurement and eliminating costly installation delays on commercial refurbishments.
Return-to-Door Safety Styling
The ergonomic lever handle curves gracefully back towards the door face. This critical design feature prevents clothing, hospital gowns, and equipment cables from snagging during daily traffic, meeting the accessibility and safety demands of modern public facilities.
Key Commercial Benefits and Installation Versatility
The Union (Chubb At Heart) 3R35F-R Satin Chrome Lever Furniture has been developed to solve common architectural hardware headaches across educational institutions, medical wards, and commercial offices. Fitted with a tapered backplate that measures 50mm at the top and narrows smoothly to 43.5mm at the base, the unit blends clean aesthetic balance with rugged structural backing.
A solid steel 8mm square spindle provides reliable connection between the inner operating lever and corresponding mortice locks. The standardised 57mm centres align with traditional British sashlocks and mortice deadlatches, allowing tradespeople to fit or retrofit this furniture quickly without extensive timber reworking. Furthermore, the 10.5mm plate projection guarantees clean clearance on external rebates and frame stops.
Suitable for both internal partition doors and external perimeter applications, the hard-wearing satin chrome plating provides exceptional resistance against airborne pollutants and weather. The smooth brushed texture cleans easily, hides fingerprint smudges, and retains its professional appearance across years of constant contact.
Technical Specifications
| Specification | Rating or Standard | Practical Details |
|---|---|---|
| Product Brand | Union Chubb Heritage | Manufactured under the proven Union Chubb At Heart engineering umbrella |
| Product Model | 3R35F-R | Lever handle inside with rigid fixed pull exterior configuration |
| Operational Centres | 57mm Centres | Standard spacing from follower to cylinder or lock profile |
| Drive Spindle | 8mm Square Steel | Robust steel construction designed to handle repeated turning leverage |
| Plate Dimensions | 200mm x 50mm / 43.5mm | Tapered backplate width measuring 50mm at top and 43.5mm at bottom |
| Backplate Projection | 10.5mm Projection | Substantial profile providing stable clearance for door leaf stops |
| Material Finish | Satin Chrome | Protective brushed coating resisting corrosion, finger marks, and light scratches |
| Handing Versatility | Field Reversible | Easily adapted for left or right swinging doors without extra components |
| Application Scope | Internal and External | Engineered for interior offices, stairwells, and sheltered perimeter entrances |
Installation and Maintenance Advice
Installing door furniture correctly ensures smooth performance and protects internal lock components. When preparing your door leaf, follow these practical recommendations
- Check that the door mortice lock latch operates freely before attaching the backplates.
- Align the 8mm spindle squarely through the follower without forcing or tilting the drive bar.
- Pilot drill all fixing points carefully into timber or composite frames to prevent screw heads from shearing.
- Tighten fixings progressively across all points to seat the backplate flat against the door face.
- Wipe the satin chrome plate periodically with a soft damp cloth, avoiding harsh chemical cleaners.
Because the internal sprung cassette carries the weight of the lever, the latch spring inside your lock case experiences significantly less fatigue. This smart setup prolongs the operational lifespan of your entire locking assembly, keeping door maintenance straightforward and predictable.
Need Technical Advice for Your Project?
If you are retrofitting commercial doors, specifying architectural ironmongery, or need help matching centres and backsets, our experienced team at Doorfit is ready to guide you through your requirements.
Contact Our TeamSpecification
| Manufacturer | Union |
|---|---|
| Finish | Satin Chrome |
| Fixing Centres (mm) | 178 |
| Backplate Dimensions | 200mm x 50mm |
| DDA Compliant | No |
| Centres (mm) | 57 |

