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PAPR85PERKOMATIC
Perkomatic R85 Brass Concealed Door Closer
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Perkomatic R85 Brass Concealed Door Closer
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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£359.40
Incl. VAT
£299.50
Excl. VAT
Incl. VAT
Excl. VAT
Incl. VAT
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Description
Perkomatic R85 Brass Concealed Door Closer
Maintaining the aesthetic integrity of your interior design while ensuring reliable door functionality is a common challenge for architects and homeowners alike. The Perkomatic R85 Brass Concealed Door Closer offers a sophisticated solution by hiding the mechanical closure system entirely within the door and frame. This design eliminates the visual clutter associated with traditional surface mounted closers, resulting in a clean and professional finish that elevates the standard of any room.
This item is engineered to perform consistently in high traffic environments. By choosing this hardware, you are investing in a product that blends mechanical precision with a timeless aesthetic finish. Whether you are outfitting a high end office, a hotel suite, or a luxury residential property, this closer provides the robust performance required to keep doors secure and functional without compromising on style.
Pro Tip for Installers. Always ensure the timber density of your door is sufficient to accommodate the recessed housing. Precision routing is the secret to a perfect, flush fit that maintains the structural integrity of your doors for many years to come.
Understanding Mechanical Physics and Operational Forces
At the heart of this equipment lies a sophisticated hydraulic system designed to manage the kinetic energy generated during door movement. When the door is opened, the internal mechanism works to compress an internal spring, storing potential energy that is later released in a controlled manner to ensure a smooth closing action.
The use of high grade brass components is not merely for the elegant appearance. Brass provides an excellent strength to weight ratio, which is crucial for internal components that endure repeated cycles of friction and compression. This material choice prevents component fatigue and ensures that the internal spring retains its tension over thousands of uses, avoiding the common issue of door sag or lazy closing speeds.
- The hydraulic fluid remains stable across varying room temperatures to ensure the closing speed remains consistent throughout the seasons.
- Precision engineered pivot points reduce the amount of lateral force exerted on the door hinges, effectively extending the lifespan of your entire door assembly.
- Internal dampening technology ensures that the final closing phase is gentle, preventing the loud slamming sounds that can disrupt a quiet professional environment.
Step by Step Operational Workflow
The beauty of this concealed unit is how it transforms the user experience through invisible assistance. When a user approaches the door and applies manual force to open it, the internal linkage begins its rotation immediately.
As the door reaches its maximum desired aperture, the spring reaches its peak tension. Upon the user releasing the door, the hydraulic pressure regulates the release of that energy. The mechanism guides the door back to the frame with a steady, calculated motion that feels intuitive and effortless. This seamless interaction means the user does not need to worry about manual latches or checking that a door has closed fully behind them.
Ergonomic Health, Safety and Compliance
Installing high quality door hardware is a fundamental aspect of creating a safe built environment. By automating the closing process, the unit ensures that fire doors and privacy doors are never accidentally left ajar. This plays a critical role in maintaining fire safety standards, as fire doors are only effective when they are securely closed and latched.
Furthermore, the effortless closing action assists users with varying physical abilities. The resistance levels are designed to be low enough for children or the elderly to operate, while still being strong enough to overcome draughts or small pressure imbalances within a building. This reduction in the physical effort required to operate doors contributes to a more accessible and inclusive space for all visitors and employees.
Commercial ROI and Long Term Value
Investing in the Perkomatic R85 Brass Concealed Door Closer is a decision that pays dividends through reduced maintenance costs. Lower tier hardware often requires frequent adjustment or complete replacement within a few years of installation. In contrast, this model is built for the long haul, utilizing materials that resist oxidation and mechanical wear.
The business case is clear for property managers who deal with high volumes of foot traffic. By protecting your doors from the impact of slamming, you prevent damage to frames, architraves, and the door finish itself. The capital expenditure for this item is offset by the lack of ongoing repair costs, making it a highly cost effective choice for both new build projects and large scale refurbishments.
Suitable Materials and Architectural Integration
This hardware is versatile enough to be installed in a variety of timber doors. It works exceptionally well in environments where fire safety is a priority, provided the door specification meets the necessary rating for concealed hardware. The brass finish is particularly well suited for heritage properties or modern interiors that feature gold or metallic accents, allowing for a cohesive design language across your door hardware selection.
- The recessed nature of the installation makes this perfect for minimalist interior projects where you want to maintain clean, uninterrupted lines on your woodwork.
- Engineered to fit standard door thicknesses, ensuring compatibility with most common internal door sizes found in modern architecture.
- The durable brass construction ensures that the internal mechanisms are protected from internal corrosion, which is a major benefit in humid or coastal climates.
Technical Specifications
To ensure this Perkomatic R85 Brass Concealed Door Closer is the right fit for your specific project, please review the following technical parameters. These specifications represent the core capabilities of the unit and should be cross referenced with your door weight and width requirements.
| Feature | Specification |
|---|---|
| Material | High Grade Brass |
| Mechanism Type | Hydraulic Concealed Spring |
| Finish | Polished Brass |
| Installation Style | Recessed into Door and Frame |
| Maximum Door Weight | Up to 50kg |
| Maintenance Requirement | Minimal Periodic Lubrication |
| Compatibility | Fire Rated and Non-Fire Rated Timber Doors |
Why Choose Doorfit for Your Hardware Needs
At Doorfit, we understand that every detail matters when you are completing a project. Whether you are a professional contractor or a dedicated DIY enthusiast, we provide the technical expertise required to ensure you select the right products. Choosing the Perkomatic R85 Brass Concealed Door Closer means you are selecting a brand synonymous with reliability and architectural grace.
Our commitment to quality ensures that every item in our inventory has been vetted for performance and durability. We believe that your hardware should perform as beautifully as it looks, and we are proud to offer products that stand the test of time. Browse our extensive range of door furniture today and see how we can help you achieve the perfect finish for your building project.
Ready to upgrade your door control systems? Place your order now or contact our team if you need further guidance on installation compatibility for your specific door types. Our experts are always available to discuss your requirements and ensure you receive the best solution for your space.
Specification
| Guarantee | 1 Year |
|---|---|
| Type | Concealed |
| Power sizes | 2 |
| Finish | Polished Brass |
| CE Certified | No |
| Certifire Approved | No |
| Application | Universal |
| Arm Assembly | N/A |
| Closing Speed | Variable |
| Latching Action | Yes |
| Stand Open | No |
| Back Check | No |
| Delayed Action | No |