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The economic double action Technical
Data BTS 84 floor spring
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 particular purpose. The BTS 84 has
many of the features of the other DORMA BTS
closers with the addition of reduced depth
and an array of accessories designed for the
aluminium door fabricator and toughened
glass door manufacturer. Certified to ISO
9001.
Benefits
For the distributor
- Outstanding
value for money.
- Also
available with stronger and weaker
springs for special requirements.
For the installer
- Easy
installation thanks to shallow design.
- Easy to adapt to
individual requirements with dual valve
control 130° to 0° and 130° to 20°.
- Interchangeable
spindle inserts available to suit site
conditions.
For the architect/specifier
- Concealed unit
for invisible installation.
- Minimum floor
recess dimension.
- Proven, robust
unit for door weights up to 100 kg.
For the user
- Thermoconstant
smooth operation.
- High mechanical
efficiency for easy door opening.
- Optional single
point holdopen
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