052258 51532 0313 BTS65 GB -...

DORMA GmbH + Co. KGDORMA Platz 158256 EnnEPEtAlGERMAnyPhone +49 2333 793-0Fax +49 2333 793-4950www.dorma.com

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bTs 65—

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Floor spring

The economic floor spring specially designed for double acTion doors—Special shallow design Optional hold-openSuccessfully tailored to satisfy the special requirements governing floor springs for double action doors, the 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.

Plus points

For the trade . Outstanding value for money. . Wide range of accessories to accommodate various installation situations.

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 . Minimum floor recess dimension. . Rugged construction for door weights up to 100 kg. . DORMA quality.

For the user . Smooth closing operation virtually temperatureimmune. . Low effort requirement ensures easy door operation. . Optional integrated single-point hold-open at 90°.

Standard and optional functions

Closing rangesThe floor spring has two controlled closing ranges: Valve 1: 130° – 0° sweepValve 2: Increases the closing

speed between 130° and 20°.

Hold-openWith optional integrated single-point hold-open at 90°.

1 Infinitely variable closing speed in the range 130° – 0°.

2 Second closing range 130° – 20°.

3 Hold open at 90° (optional extra).

Measurements

108 276

40

51-59

49,

5-5

44

9,5

-541

30

290

20°

130°

90°

1

2 3

20°

130°

90°

1

2 3 = Door stop

Technical Data BTS 65

Spring strength Size EN 3 EN 4

Standard and external doors 1) 2)

≤ 950 mm≤ 1100 mm

3–

–3

Max. door weight in kg 100 100

Closing speed variable by valve adjustment 3 3

Backcheck – –

Delayed action – –

Hold-open point 90° § §

Weight in kg, approx. 4.0 4.0

Dimensions in mm Length Width Height

276108 40

276108 40

Door closer tested to EN 1154 3 3

mark for building products (products with factory-fitted hold-open do not carry a mark)

3 3

3 Yes – No § Option1) 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°.

BTS 65 FLOOR SpRINg

2 DORMA

Applications and installation

The practical clamp fixing system of the 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 mmLongitudinal 8 mmVertical 6 mm

1 Valve for 130° – 0° closing speed adjustment

2 Valve for increasing the 130° – 20° closing speed

6 mm

9 mm

8 mm

2 1

X Z

8

3

25

Z

X Z

8

3

25

Z

Accessories

Applications and fixing instructions, door straps and top centresSee Technical Information “Floor spring accessories DORMA BTS”.

DORMA 2300 Sealing CompoundFor 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 insertsThe 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 plateAvailable in stainless steel or satin brass.

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.

SizeYY EN 3YY EN 4

ModelsYY StandardYY Hold-open 90°

AccessoriesYY Universal cover plate

YY Stainless steelYY Satin brass

YY Extended spindle insert, . . . mm extended

YY Sealing compoundMakeDORMA BTS 65

Options and accessories

Floor spring BTS 65including cement box andstandard spindle insert, not pre-assembled

Floor spring BTS 65including cement boxwithout spindle insert

norm

al Universal cover plate Sealingcompound23000.5 kg

Extended spindle inserts (extension in mm)Stainlesssteel

Satinbrass0 5 7,5 10 12,5 15 20 25 28 30 35 40 45 50

452

00

401

452

00

40

2

452

00

40

3

452

00

40

4

452

00

419

452

00

40

5

452

00

40

6

452

00

407

452

00

414

452

00

40

8

452

00

40

9

452

00

410

452

00

411

452

00

412

4670

00

86

4670

018

6

45

09

00

86

Standard

EN 3 25030101

EN 3 25030100 Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z

EN 4 25040101


With hold-open 90°

EN 3 25130101


EN 4 25140101


Z Accessory

DORMA

BTS 65 FLOOR SpRINg

3

DORMA GmbH + Co. KGDORMA Platz 158256 EnnEPEtAlGERMAnyPhone +49 2333 793-0Fax +49 2333 793-4950www.dorma.com

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DORMA_U4-Adressen_CI-2012.indd 6 31.10.12 12:42

DORMA NZ LimitedHead OfficeBuilding P61-69 Patiki RoadAvondaleAuckland 1026Telephone (09) 830 2052Facsimile (09) 820 4909

DORMA Australia P/L Head Office46-52 Abbott Road,Hallam, Victoria 3803Telephone (03) 8795 0666Facsimile (03) 8795 0280Toll Free Facsimile 1800 333 309

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