Description
Product Information
The Dorma BTS80 Floor Springs are designed for versatility and reliability, featuring a fixed strength size 4. These springs are suitable for both single and double action doors when paired with the appropriate accessory pack.
Capable of supporting doors weighing up to 300kg and with a maximum width of 1100mm, these floor springs have been rigorously tested to meet BS EN1154 standards and are CE Marked for quality assurance.
Key features include:
- Hold open functionality
- Back check mechanism
- Delayed action
- Adjustable closing speed
- Adjustable latch action
For detailed explanations of these functions, please refer to our FAQs.
Product Specification
- Fitting: Concealed - Installed within the floor.
- Tested to: BS EN1154.
- Height: 60mm
- Width: 78mm
- Length: 341mm
- Maximum Door Weight: 300kg
- Maximum Door Width: 1100mm
- Strength: Fixed Size 4
-
Spindle Options:
- Yes - BTS80EN4 - 15mm (excluding 3mm collar)
- No - BTS80F
- Adjustable Closing Speed: Yes
- Adjustable Latch Action: Yes
- Delayed Action: Yes
- Backcheck: Yes
- Hold Open: Any angle between 75 and 175 degrees (Note: hold open variants are not suitable for use on Fire Doors)
- Adjustable Hold Open Angle: Between 75 and 105 degrees
- CE Marked: Yes
- Non Handed: Yes
These features make the Dorma BTS80 Floor Springs an excellent choice for a variety of door applications, ensuring both functionality and safety.