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BTS 65
Floor spring
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2
DORMA BTS 65
Floor spring
108 276
40
51-59
49,5-54
49,5-54
130
290
BTS 65, GB
BTS 65, GB
Measurements
The economic floor spring
specially designed
for double action doors
Special shallow design
Optional hold-open
Successfully tailored to
satisfy the special requirements governing floor
springs for double action
doors, the DORMA BTS 65
also offers a particularly
shallow design and thus all
the advantages of a reduced
installation depth. With two
closing ranges and a choice
of models, the BTS 65 can
fulfil virtually any appli cation
requirement while providing
all the reliability associated
with assured quality from
DORMA.
Certified to ISO 9001.
For the trade
2 Outstanding value for
money.
2 Wide range of accessories
to accommodate various
installation situations.
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 Minimum floor recess
dimension.
2 Rugged construction for
door weights up to 100 kg.
2 DORMA quality.
For the user
2 Smooth closing operation
virtually temperatureimmune.
2 Low effort requirement
ensures easy door
operation.
2 Optional integrated single-
point hold-open at 90°.
Benefits
20
°
130
°
90
°
1
2
3
20
°
130
°
90
°
1
2
3
= Door stop
Closing ranges
The floor spring has two
controlled closing ranges:
Valve 1: 130° – 0° sweep
Valve 2: Increases the
closing speed between
130° and 20°.
Hold-open
With optional integrated single-point hold-open at 90°.
Standard and optional functions
1 Infinitely variable closing
speed in the range
130° – 0°.
2 Second closing range
130° – 20°.
3 Hold open at 90°
(optional extra).
Spring strength Size EN 3 EN 4
Standard and
1)
≤ 1950 mm 2 –
external doors
1) 2)
≤ 1100 mm – 2
Max. door weight in kg 100 100
Closing speed variable
by valve adjustment 2 2
Backcheck – –
Delayed action – –
Hold-open point 90° " "
Weight in kg, approx. 4,0 4,0
Dimensions in mm Length 276 276
Width 108 108
Height 040 040
Door closer tested to EN 1154 2 2
mark for building products 2 2
(products with factory-fitted hold-open
do not carry a CE mark)
2 Yes – No " Option
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 130°.
Technical Data BTS 65
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3
6 mm
9 mm
8 mm
2 1
X
Z
8
X
Z
8
3
25
Z
BTS 65, GB
The practical clamp fixing
system of the DORMA
BTS 65 ensures a secure
and high-precision fit in the
cement box.
The adjustment range in the
cement box is as follows:
Transverse 9 mm
Longitudinal 8 mm
Vertical 6 mm
Applications and installation
1 Valve for 130° – 0° closing
speed adjustment
2 Valve for increasing the
130° – 20° closing speed
Applications and fixing
instructions, door straps and
top centres
See Technical Information
“Floor spring accessories
DORMA BTS”.
DORMA 2300 Sealing
Compound
For filling the cavities
between the floor spring
body and the cement box to
prevent moisture penetration
(mandatory according to
e.g. VOB regulations for wet
rooms).
Spindle inserts
The floor clearance can be
adjusted as required by simply replacing the insertion
spindle with another size.
Special spindle designs
available on request – e.g.
wide flats with 3° offset,
square and spindle inserts
for non-DORMA-specific
accessories.
Universal cover plate
Available in stainless steel
or satin brass.
Accessories
Calculating the necessary length of spindle extension:
Extension = X – Floor clearance (normally 8 mm)
Collar height Z of the extended spindle inserts = Spindle
extension length + 3 mm (collar height of the standard
spindle insert)
Specification text
Floor spring for double
action doors, with hydraulic
fully controlled closing from
approx. 130°; including
cement box and removeable
spindle insert.
Size
Y EN 3
Y EN 4
Models
Y Standard
Y Hold-open 90°
Accessories
Y Universal cover plate
Y Stainless steel
Y Satin brass
Y Extended spindle insert,
. . . mm extended
Y Sealing compound
Make: DORMA BTS 65
b BTS65
Floor spring Floor spring Extended spindle inserts (extension in mm) Universal cover plate Sealing
BTS 65 including BTS 65 including
5 7,5 10
12,5
15 20 25 28 30 35 40 45 50
compound
cement box and cement box and Stainless Satin 2300
standard without steel brass
spindle insert, spindle insert 0,5 kg
not pre-assembled
46700086 46700186 45090059
Standard
EN 3 EN 3
25030101 25030100
# # # # # # # # # # # # # # # # #
EN 4 EN 4
25040101 25040100
# # # # # # # # # # # # # # # # #
with hold-open 90°
EN 3 EN 3
25130101 25130100
# # # # # # # # # # # # # # # # #
EN 4 EN 4
25140101 25140100
# # # # # # # # # # # # # # # # #
45200401 Normal
45200402
45200403
45200404
45200419
45200405
45200406
45200407
45200414
45200408
45200409
45200410
45200411
45200412
# = Accessory
Options and accessories
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WN 052 258 51532, 07/10, BTS 65, GB, x. DD, xx/10 · Subject to change without notice
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