With the BTS 60, DORMA offers a floor spring that is designed for light use double action doors for basic requirement. It is used for the standard double action doors with the door width up to 1000mm 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.

Benefits

For the trade
• Low cost solution for low traffic doors.
• Standard solution including accessories.

For the installer
• Easy installation thanks to shallow design.
• Easy to adapt to individual requirements with dual waive contol 130° to 15° and 15° to 0°.

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

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

1) For applications involving particularly high or heavy doors, and doors which have to close against wind or draught conditions, the next larger closer size or the DORMA BTS 80 should be selected.

2)Max. opening 130°. Door stop necessary for doors which can open further than 150°.

Standard and optional functions

Colsing ranges 1
The floor spring has two controlled closing ranges:
Valve 1 : 130°-15°
Valve 2 : 15°-0°

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

2 Second closing range 150-0°

3 Hold open at 90°