Dorma BTS 65 User manual

BTS 65
Floor spring

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 requi-
rements 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 application
requirement while providing
all the reliability associated
with assured quality from
DORMA.
Certified to ISO 9001.
For the trade
2Outstanding value for
money.
2Wide range of accessories
to accommodate various
installation situations.
For the installer
2Easy installation thanks to
shallow design.
2Easy to adapt to individual
requirements with dual
valve control 130° to 0°
and 130° to 20°.
2Interchangeable spindle
inserts available to suit
site conditions.
For the architect/specifier
2Minimum floor recess
dimension.
2Rugged construction for
door weights up to 100 kg.
2DORMA quality.
For the user
2Smooth closing operation
virtually temperature-
immune.
2Low effort requirement
ensures easy door
operation.
2Optional integrated single-
point hold-open at 90°.
Benefits
20 °
130 °
90 °
1
23
20 °
130 °
90 °
1
23
= 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 sin-
gle-point hold-open at 90°.
Standard and optional functions
1Infinitely variable closing
speed in the range
130° – 0°.
2Second closing range
130° – 20°.
3Hold open at 90°
(optional extra).
Spring strength Size EN 3 EN 4
Standard and1) ≤1950 mm 2 –
external doors1) 2) ≤1100 mm – 2
Max. door weight in kg 100 100
Closing speed variable
by valve adjustment 22
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 22
mark for building products 2 2
(products with factory-fitted hold-open
do not carry a CE mark)
2Yes – 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

3
6 mm
9 mm
8 mm
2 1
X
Z
8
3
25
Z
X
Z
8
3
25
Z
BTS 65, GB
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
1Valve for 130° – 0° closing
speed adjustment
2Valve 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 sim-
ply 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
YEN 3
YEN 4
Models
YStandard
YHold-open 90°
Accessories
YUniversal cover plate
Y Stainless steel
Y Satin brass
YExtended spindle insert,
. . . mm extended
YSealing compound
Make: DORMA BTS 65
bBTS65
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

WN 052 258 51532, 07/10, BTS 65, GB, x. DD, xx/10 · Subject to change without notice