Dorma BTS 80 Floor Spring Mechanism Only
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
Dorma BTS 80 Floor Spring Mechanism Only
Achieving a seamless entrance experience requires hardware that combines precision engineering with hidden strength. The Dorma BTS 80 Floor Spring Mechanism Only stands as a benchmark in architectural ironmongery, designed to accommodate the complex requirements of modern commercial and public buildings.
Whether you are outfitting a high traffic retail entrance or securing a heavy internal portal, this solution offers unparalleled versatility. It sits discreetly beneath the floor surface, maintaining the clean lines and aesthetic integrity of your door installation while providing robust functional support.
Engineered for Mechanical Excellence
The core of this device relies on sophisticated hydraulic damping and spring tension systems. These components work in harmony to manage the kinetic energy generated during the opening and closing cycles of a door leaf.
- The highly efficient internal mechanism ensures the door closes reliably every time even when facing environmental pressures like air conditioning drafts or external wind resistance.
- Precision valves allow for the micro adjustment of both closing and latching speeds to ensure the door interacts with the frame in a smooth and controlled manner.
- The integration of a backcheck feature protects the door and the surrounding architectural elements by providing a mechanical stop that prevents the leaf from striking the frame with excessive force.
By effectively managing torque and resistance, this hardware prevents the common wear and tear associated with heavy door leaves. The internal spring and fluid systems are built from hardened materials designed to withstand the stress of thousands of cycles without losing their tension or performance consistency.
Operational Workflow and User Experience
When an individual approaches a door fitted with this unit, the interaction is designed to feel effortless and intuitive. The mechanism allows for a smooth, progressive resistance that makes the door feel light and easy to operate regardless of its actual mass.
- As the user begins to push the door, they encounter a gentle, controlled resistance that helps prevent accidental over-extension.
- Once the user releases the door, the hydraulic system takes over to guide the leaf back to the closed position with measured grace.
- The delayed action feature can be utilised to allow individuals with mobility aids or people carrying items to pass through comfortably before the door begins its final latching phase.
This workflow reduces the physical effort required by the end user. It creates a professional atmosphere where doors operate reliably, quietened by internal damping, which significantly improves the daily experience for building occupants and guests alike.
Ergonomics and Safety Compliance
Safety is the primary consideration in the design of this floor spring. In environments where heavy doors are present, there is a constant risk of injury from doors closing too quickly or striking frames with enough force to cause structural damage.
The Dorma BTS 80 Floor Spring Mechanism Only addresses these risks through strict adherence to international safety standards. By providing consistent closing speeds, the hardware mitigates the risk of accidents in busy corridors or public lobbies.
- Compliance with EN 1154 standards provides peace of mind for facility managers who must adhere to stringent building safety regulations.
- The adjustable hold open functions, which can be selected to meet specific needs, allow for fire doors or access routes to be managed effectively during high occupancy periods.
- Regular maintenance of these valves ensures that the door remains compliant throughout its entire service life, supporting long term safety goals for your organisation.
Commercial Investment and Longevity
Investing in high quality floor springs represents a significant commitment to reducing the total cost of ownership for a building. Cheap hardware often fails, leading to recurring repair costs, door misalignment, and potential security breaches.
The Dorma BTS 80 Floor Spring Mechanism Only is built to be a long term asset for your property. By opting for a market leading, robust design, you ensure that the mechanism operates reliably for years, minimising the frequency of manual interventions or expensive replacement cycles.
Furthermore, the ability to fine tune the performance of the door ensures that the hardware remains perfectly adapted to the specific conditions of the environment. Whether the local climate changes or the building usage shifts, the flexibility of these settings protects your investment and ensures that your doors continue to function at peak performance for many years.
Technical Specifications
This model is designed to handle demanding applications with ease. Please review the following technical parameters to ensure the device is compatible with your specific project requirements.
| Feature | Specification |
|---|---|
| Maximum door width | 1100mm |
| Maximum door weight | 300kg |
| Closing force | EN 4 |
| Length of mechanism | 341mm |
| Depth of mechanism | 78mm |
| Height of mechanism | 60mm |
| Standards compliance | Tested to EN 1154 |
| Quality certification | ISO 9001 |
Professional Support for Your Requirements
Selecting the correct door hardware is essential for long term operational success. We understand that technical specifications can be complex and that every building has its own unique set of physical challenges.
If you find yourself uncertain about whether this floor spring door closer is the optimal match for your specific entrance or door type, our team is ready to assist. We offer expert guidance to help you navigate the nuances of spring strengths, floor depths, and accessory compatibility.
Expert Assistance Available
If you are not sure if this floor spring door closer is right for your requirements please contact our friendly team today to discuss your requirements. Our staff can help you identify if additional accessories or specific spindle lengths are needed for your particular installation. We are committed to ensuring your project achieves the best possible results. Contact Doorfit today to get started.
Choosing the right hardware is a decision that impacts the security and accessibility of your property for years to come. By choosing this model, you are selecting a product that balances power with refinement. It is built for those who refuse to compromise on quality and want a hidden, reliable solution that works quietly in the background, allowing your premises to function smoothly every single day.
Specification
| Manufacturer | Dorma |
|---|---|
| Guarantee | 2 Year |
| Type | Floor Spring |
| Power sizes | 4 |
| Finish | N/A |
| CE Certified | No |
| Certifire Approved | No |
| Application | Universal |
| Arm Assembly | N/A |
| Closing Speed | Variable |
| Latching Action | Yes |
| Stand Open | Yes |
| Back Check | Yes |
| Delayed Action | Yes |


