Floor spring system for single and double leaves doors.

As a universal floor spring, the BTS 80 has been designed to meet the requirements of doors of all types. With its many individually combinable extras, it is able to satisfy almost every application requirement. Once installed below floor level, the mechanism is almost completely concealed from view.

FEATURES

EASY SOLUTION FOR SINGLE LEAF DOORS
The BTS 60 is used for the standard double action doors with the door width up to 1000 mm and a maximum door weight of 80 kg. Closing speed adjustment is optimized with two regulating valves. The compact and shallow design ensures an ideal application for limited floor depth.

STANDARD & OPTIONAL FUNCTIONS
The floor spring has two controlled closing ranges:

• Infinitely variable closing speed in the range 130° – 15°
• Second closing range 15° – 0°.
• With optional integrated single-point hold open at 90°

BENEFITS FOR THE TRADE

• Low cost solution for low traffic doors
• Standard solution including accessories.
• Benefits for the installer

EASY INSTALLATION THANKS TO SHALLOW DESIGN
Easy to adapt to individual requirements with dual valve control 130° to 15° and 15° to 0°

BENEFITS FOR THE ARCHITECTURE/SPECIFIER

• Easy solution for single leaf doors
• Door weights up to 80 kg and door width up to 1000 mm
• Minimum floor recess dimension.

BENEFITS FOR THE USER

• DORMA quality in the basic segment
• Comfortable door operation with low effort
• Optional mechanical single-point hold-open at 90°