The economic double action Technical Data BTS 84
floor spring
For the trade
2 Outstanding value for
money.
2 Also available with stronger
and weaker springs for
special requirements.
For the installer
2 Easy installation thanks to
shallow design.
2 Easy to adapt to individual
requirements with dual
valve control 130° to 0°
and 130° to 20°.
2 Interchangeable spindle
inserts available to suit
site conditions.
For the architect/specifier
2 Concealed unit for invisible
installation.
2 Minimum floor recess
dimension.
2 Proven, robust unit for
door weights up to
100 kg.
For the user
2 Thermoconstant smooth
operation.
2 High mechanical efficiency
for easy door opening.
2 Optional single point holdopen
Plus points
Special shallow design
optional hold-open.
The DORMA BTS 84 is a
double action floor spring
which has been specially
developed for the aluminium
and toughened glass door
industries.
This unit is intended to
complement our internationally
acclaimed RTS
concealed overhead door
closer by giving the shopfitting
industry the option of
a DORMA quality floor
spring designed for their