DORMA BTS 80 Floor Spring (Silver)

The BTS80 floor spring is highly versatile, suitable for door leaves of various sizes. Numerous additional independent functions can meet various usage needs. Once installed in the floor, the unit is completely concealed, offering a clean and tidy appearance.
Certified by ISO9001 manufacturing standards.

High Versatility

Whether for standard, wide, or narrow door frames, or for left/right-handed, single, or double-leaf doors —— the DORMA™ BTS80 floor spring is suitable for different types of door leaves. The complete range of accessories for the floor spring addresses varied door installation and floor covering issues.

Three Different Models

The BTS80 system has three models: BTS80F (for fire and smoke control doors), BTS80 EMB (electromagnetic hydraulic hold-open function), and BTS80 FLB (for free-swing function), along with a complete range of accessories, offering high flexibility in door control solutions and functional applications.

Benefits for Sales / Distribution Partners

• Interchangeable spindle reduces inventory
• Comprehensive product functions

Benefits for Installers

• Suitable for left/right-handed and single/double-acting doors. Interchangeable spindle suitable for different installation conditions, also applicable for renovation projects.

Benefits for Architects / Designers / Planners

• Aesthetically pleasing concealed installation
• All major functions included
• Reliable, stable design ensures it can support door weights up to 300 kg

Benefits for Users

• Thermostatic device maintains stable closing speed
• High-performance power provides maximum convenience for users

• Suitable for single and double-leaf doors
• Concealed installation
• Three models
• Door leaf weight up to 300 kg