Dorma Floorsprings

Floor Springs

BTS80BTS75 V

DORMA

Floor springs

BTS80F-EMB-FLB

DORMA

78 341

51–57

60

36–4

236

–4278

2

1 3

2

DORMABTS 80 F - EMB - FLB

Floor springs

CERTIFIRE approved for useon certain fire doors:See certificate no. 128(BTS 80 F and EMB).Complies with requirementsof HTM 59 (DOH).PSA approved (MOB H3 03).

Certified to ISO 9001.

Closing force Size EN EN EN EN EN EN EN EN EN4 5 6 4 5 6 4 5 6

Standard doors up to 1100 mm 2 – – 2 – – 2 – –

1250 mm – 2 – – 2 – – 2 –1400 mm – – 2 – – 2 – – 2

Universal model forRH (ISO 5) LH (ISO 6)and double action doors(to close from 175)up to 0905 mm 2 – – 2 – – – – –

1125 mm – 2 – – 2 – – – –1280 mm – – 2 – – 2 – – –

Handed model (to close from 180) LH 2 2 2 2 2 2 2 2 2

RH 2 2 2 2 2 2 2 2 2Universal 2 2 2 2 2 2 – – –

Closing speed variableby valve adjustment 2 2 2 2 2 2 2 2 2Latching action variableby valve adjustment 2 2 2 2 2 2 – – –Backcheck, mechanical 2 2 2 2 2 2 – – –Delayed action – – – – – – – – –Hold-open,electro-magnetic,Hold-open pointselectable between75 and 180° – – – 2 2 2 – – –Free swing 0–180° – – – – – – 2 2 2Weight in kg 7.1 7.1 7.1 7.7 7.7 7.7 7.7 7.7 7.7Dimensions in mm

Length 341 341 341 341 341 341 341 341 341Overall depth 178 178 178 178 178 178 178 178 178Height 160 160 160 160 160 160 160 160 160

Power input in W – – – 2.3 2.3 2.3 2.3 2.3 2.3Operating voltage invDC ± 15 %, residualripple max. 30 % – – – 124 124 124 124 124 124Duty factor in % [Rated for continuous service(duty factor 100%)] – – – 100 100 100 100 100 100Door closer tested to EN 1154 2 2 2 2 2 2 2 2 2Hold-open devicestested to EN 1155 – – – 2 2 2 2 2 22 Yes – No " Option

Technical data BTS 80 F BTS 80 EMB BTS 80 FLBFloor springs designed especiallyfor fire and smoke doors.Wide range of functions, qualityassured.

For the trade2 Complete range for every

application.2 Simple stock holding

thanks to identical accessories being usedthroughout the DORMA BTS range.

For the installer2 Easy to install.2 Interchangeable spindle

inserts, available to suitsite conditions.

2 For doors up to 300 kgin weight.

For the architect/specifier2 Concealed installation.2 Range of functions to suit

all applications.

2 Proven, robust unit –for doors weighing up to300 kg.

2 All models tested andquality assured, andapproved by the Institutefor Building Technology,Berlin. For CERTIFIREapprovals see certificateno. 128 (BTS 80 F, EMB).

For the user2 Reliable and fail safe.2 Closing speed unaffected

by changes in temperature.2 Easy door operation

thanks to high mechanicalefficiency.

Plus points

BTS 80 F - EMB - FLB, GB

1 Closing speed adjustmentvalve

2 Latching speed adjustmentvalve (not available with theBTS 80 FLB)

3 Plug connector with cable forEMB and FLB power supply

CERTIFIRE Cert. no. 128

78

341

358

51–57

60

10558

78

341

358

51–57

60

10558

3

DORMA BTS 80 F DORMA BTS 80 EMB


Fire door applicationsPlease see the CERTIFIRERegister of ApprovedProducts for full details offire door types with whichthis floor spring may be used.

Approval and certificationThe DORMA BTS 80 F has been approved, and issubject to third-party verification, by the StateMaterial Testing Agency(MPA) of North RhineWestphalia/Dortmund,Germany. PSA approved(MOB H3 03) HTM 59 (DOH).

Fire door applicationsPlease see the CERTIFIRERegister of ApprovedProducts for full details offire door types with whichthis floor spring may be used.

Approval certificationThe DORMA BTS 80 EMBhas been approved by theInstitute for BuildingTechnology, Berlin, for usein combination with all common smoke detectorsystems, e.g. DORMABTS 80 EMB with DORMARMZ 2: approval certificate Z-6.5-1310. PSA approved(MOB H3 03) HTM 59 (DOH).

1 Fully controlled closingwith adjustable speed

2 Adjustable latching action3 Mechanical backcheck

Example shows LH door;mirrored arrangementapplies to RH door.

CERTIFIRE approved cert. no. 128 Floor spring with electromagnetic hold-open CERTIFIREapproved cert. no. 128

2

11

3

1 Fully controlled closingwith adjustable speed

2 Adjustable latching action3 Mechanical backcheck4 Hold-open range

(fall back approx. 3°)


2

1

4

3

78

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60

10558

4

DORMA BTS 80 FLB Accessories


Fire door applicationsThe DORMA BTS 80 FLB isdesigned to remove allspring pressure, whilst thedoor is available for manualopening and closing.When the current supply isinterrupted, e.g. fire alarm,the floor spring resumes itsself-closing function.

Approval certificationThe DORMA BTS 80 FLBhas been approved by theInstitute for BuildingTechnology, Berlin, for usein combination with all common smoke detectorsystems, e.g. DORMA BTS 80EMB with DORMA RMZ 2:approval certificateZ-6.5-1310.

Floor spring with free-swing feature (electro-hydraulicallycontrolled spring detent)

Applications and fixinginstructions, door straps andtop centresSee Technical Information“Floor spring accessories”.

Spindle insertsInterchangeable spindle inserts enable the floor clearance to be increased ifrequired (doors with thresh-olds, carpeted floors, etc.).

Special spindle designs onapplication: e.g. flat taperedwith 3° offset, square spin-dles and spindle inserts fornon DORMA accessories.

Extended spindle insertSpindle Extension = Dimen-sion “X” – (standard 8 mm)(Door Clearance) Z – 3 mm

NOTE: Closer and bottomstrap must be installed perfixing instructions for doorclearances shown to bevalid. Closers with extended

1 Free-swing range2 Fully controlled closing in

the event of an alarm orinterruption of the powersupply


2

1

Universal cover plateOne cover plate, suitable forleft hand/right hand 36 mmoffset, and centre pivoteddoors. Further modificationis necessary for use with 5 mm offset accessories.Available in stainless steel orsatin brass (thickness ofmaterial 1.5 mm). A reinfor-cing underplate is availablefor use in areas of especiallyheavy traffic or trolleys.

DORMA 2300 SealingCompoundFor filling the cavities bet-ween the floor spring bodyand the cement box to prevent moisture penetration(mandatory according to e.g. VOB regulations for wetrooms).

X Z

8

Z

3

l 25

358

58

79

3535

105

Application for centre pivoted door

Application for LH offsetpivoted door

Application for RH offsetpivoted door

spindle inserts are used withthresholds, carpeted floors,terrazzo pans or in caseswhere more clearance between door and floor isrequired. Surface finsh:Zinc plated.

Floor spring With cement Spindle inserts1) Universal cover plate SealingBTS 80 F box, without Stainless Satin compound

spindle insert steel Brass 2300, 0.5 kg46700000 56700100 45090059

Size EN 4LH 80220101 # # # #RH 80220201 # # # #Universal 80220001 # # # #Size EN 5LH 80210101 # # # #RH 80210201 # # # #Universal 80210001 # # # #Size EN 6LH 80230101 # # # #RH 80230201 # # # #Universal 80230001 # # # #

5

Scope of supply and accessories


Floor spring With cement Spindle inserts1) Universal cover plate SealingBTS 80 EMB box, without Stainless Satin compound

spindle insert, steel Brass 2300, 0.5 kg3.5 m cable 46700000 56700100 45090059

Size EN 4LH 82224101 # # # #RH 82224201 # # # #Universal 82224001 # # # #Size EN 5LH 82214101 # # # #RH 82214201 # # # #Universal 82214001 # # # #Size EN 6LH 82234101 # # # #RH 82234201 # # # #Universal 82234001 # # # #

# = Accessory 1) See technical information leaflet “Floor spring accessories”

Floor spring With cement Spindle inserts1) Universal cover plate SealingBTS 80 FLB box, without Stainless Satin compoundfor free-swing spindle insert, steel Brass 2300, 0.5 kgaction 3.5 m cable 46700000 56700100 45090059

Size EN 4LH 82124101 # # # #RH 82124201 # # # #Size EN 5LH 82114101 # # # #RH 82114201 # # # #Size EN 6LH 82134101 # # # #RH 82134201 # # # #

DORMABTS 80 F - EMB - FLB

Floor springs

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DORMA BTS 80 FCERTIFIRE approved universal floor spring, withhydraulically fully controlledclosing from 175°, adjustablelatching action and back-check; including cement boxCERTIFIRE approved certificate no. 128.

SizeY EN 4Y EN 5Y EN 6

ModelY LH (ISO 6)Y RH (ISO 5)Y Universal

AccessoriesY Universal cover plate,

1.5 mm thickY stainless steelY satin brassY reinforcing underplate

Y Spindle insert,. . . mm extension

Y Sealing compound

Make: DORMA BTS 80 F

DORMA BTS 80 EMBFloor spring with electro-hydraulic hold-open and inte-gral pressure compensationfeature for multipoint hold-open between 75° and 175°.

With adjustable, hydraulic-ally fully controlled closingspeed, adjustable latchingaction, backcheck; includingcement box.

Operating voltage: 24 vDCPower input: 2.3 W

CERTIFIRE approvedcertificate no. 128.Officially approved by theInstitute for BuildingTechnology, Berlin, for usein hold-open systems.

Acceptance test required inGermany.


ModelY LH (ISO 6)Y RH (ISO 5)Y UniversalY Special design with

integral circuit for doorco-ordinator with electro-magnetic retentionY LH Y RH




Y Sealing compound

Make:DORMA BTS 80 EMB

DORMA BTS 80 FLBFree-swing floor spring withelectro-hydraulic free-swingfeature between 0° and180°, closing action(de-energised condition)from 180°, and backcheck(de-energised condition).Operating voltage: 24 vDCPower input: 2.3 W

Acceptance test required inGermany.


ModelY LH (ISO 6)Y RH (ISO 5)




Y Sealing compound

Make: DORMA BTS 80 FLB

Specification text

DORMA GmbH + Co. KGDivision Door Controlwww.dorma.com

Central EuropeDORMA GmbH + Co. KGBreckerfelder Str. 42–48D-58256 EnnepetalPhone: +49 2333/793-0Fax: +49 2333/793-495

AustraliaDORMA Door Controls Pty. Ltd.52 Abbott RoadHallam/Victoria 3803AustraliaPhone: +61 3/97 96 35 55Fax: +61 3/97 96 39 55

Emerging MarketsDORMA GmbH + Co. KGBreckerfelder Str. 42–48D-58256 EnnepetalPhone: +49 23 33/7 93-0Fax: +49 23 33/793-495

Far EastDORMA Door Controls Pte. Ltd.No. 2 Jalan Terusan, JurongSingapore 619285Phone: +65 6268/7633Fax: +65 6265/7914

FranceDORMA France S.A.SEuroparc42/44, rue Eugène DupuisF-94046 Creteil CedexPhone: +33 1/41 94 24 00Fax: +33 1/41 94 24 01

GulfDORMA Gulf Door Controls FZEJebel Ali Free Zone,Roundabout 8, Unit VC 02Dubai, United Arab EmiratesPhone: +971 48/83 90 14Fax: +971 48/83 90 15

North AmericaDORMA Architectural HardwareDORMA Drive, Drawer ACReamstown, PA 17567Phone: +1-800-523-8483Fax: +1-800-274-9724

ScanbaltDORMA Danmark A/SSindalvej 6 – 8DK-2610 RødovrePhone: +45 44/54 30 00Fax: +45 44/94 95 04

South AfricaDORMA Door Controls (Pty.) Ltd.Kings Court4A Mineral CrescentZA-2000 Crown/GautengJohannesburgPhone: +27 11/8 30 02 80Fax: +27 11/8 30 02 91

South AmericaDORMA Sistemas de Controlespara Portas Ltda.Av. Piracema, 1400Centro Empresarial TamboreCEP 06400 Barueri/São Paulo, BrasilPhone: +55 11/41 91 32 44Fax: +55 11/41 91 21 93

South-East EuropeDORMA AUSTRIA GmbHPebering Strass 22A-5301 EugendorfPhone: +43 62 25/2 84 88Fax: +43 62 25/2 84 91

South EuropeDORMA Italiana S.r.l.Via. A. Canova 44/46I-20035 Lissone (MI)Phone: +39 039/24 40 31Fax: +39 039/24 40 33 10

DORMA Ibérica, S.A.Camino San Martin de la Vega, 4E-28500 Arganda del Rey(Madrid)Phone: +34 91/8 75 78 50Fax: +34 91/8 75 78 81

UK/IrelandDORMA UK Ltd.Door Controls DivisionWilbury WayGB-HitchinHertfordshire SG4 0ABPhone: +44 14 62/4776 00Fax: +44 14 62/4776 01

Floor spring

BTS84DORMA

2

DORMA BTS 84 Floor spring

Spring strength EN 2 EN 3 EN 4Standard and up to 1850 mm 2 – –external doors1) 2) up to 1950 mm – 2 –

up to 1100 mm – – 2

Closing speed variableby valve adjustment 2 2 2

Backcheck – – –

Delayed action – – –

Hold-open point 190° " " "

or 105° " " "

Weight in kg, approx. 5.0 5.0 5.0

Dimensions in mm Length 306 306 306Width 108 108 108Height 040 040 040

Door closer tested to EN 1154 2 2 2

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 theDORMA BTS 80 should be selected.

2) Max. opening 130°.Door stop necessary for doors which can open further than 130°.

Technical Data BTS 84The economic double action floor spring

For the trade2 Outstanding value for

money.2 Also available with stronger

and weaker springs forspecial requirements.

For the installer2 Easy installation thanks to

shallow design.2 Easy to adapt to individual

requirements with dualvalve control 130° to 0°and 130° to 20°.

2 Interchangeable spindleinserts available to suitsite conditions.

For the architect/specifier2 Concealed unit for invisible

installation.2 Minimum floor recess

dimension.2 Proven, robust unit for

door weights up to 100 kg.

For the user2 Thermoconstant smooth

operation.2 High mechanical efficiency

for easy door opening.2 Optional single point hold-

open

Plus points

Special shallow designoptional hold-open.The DORMA BTS 84 is adouble action floor springwhich has been speciallydeveloped for the aluminiumand toughened glass doorindustries.This unit is intended tocomplement our interna-tionally acclaimed RTS concealed overhead doorcloser by giving the shop-fitting industry the option ofa DORMA quality floorspring designed for theirparticular purpose.

The BTS 84 has many ofthe features of the otherDORMA BTS closers withthe addition of reduceddepth and an array of accessories designed for thealuminium door fabricatorand toughened glass doormanufacturer.

Quality-assured manufactureto ISO 9001,

EN 29001,BS 5750.

Certified and verified by BSI Quality AssuranceReg. No. Q 6423, FM 10756

108 306

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4049

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108

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BTS 84, GB

1 Valve for closing speedadjustment 130° – 0°

2 Valve for increasing closing speed 130° – 20°

3

3

21

4

3

21

4

Closing rangesThe floor spring has twocontrolled closing ranges:Valve 1: 130° – 0° sweepValve 2: Increases the closing speed between 130° and 20°.

Hold-openWith the hold-open (optionalextra), the door can be held at angles of either 90° or 105°.

1 First adjusting closing range(130° – 0°)

2 Second adjusting closing range (130° – approx. 20°)

3 Hold open at 90°(optional extra)

4 Hold open at 105°(optional extra)

X Z 8

Z

3

Ø 25

NOTE: Closer and bottomstrap must be installed perfixing instructions for doorclearances shown to be valid.Closers with extended spindle inserts are used withtresholds, carpeted floors,terazzo pans or in cases wheremore clearance betweendoor and floor is required.Surface finish: Zinc plated.

DORMA 2300 SealingCompoundFor filling the cavities between the floor springbody and the cement box toprevent moisture penetration(mandatory according to e.g. VOB regulations for wetrooms).

Standard and optional functions

Applications and fixinginstructions, door straps andtop centresSee Technical Information“Floor spring accessories”.

Extended spindle insertSpindle Dimension “X”Extension (Door Clearance)

Standard 28 mm25 mm 13 mm27.5 mm 15.5 mm10 mm 18 mm12.5 mm 20.5 mm15 mm 23 mm20 mm 28 mm25 mm 33 mm30 mm 38 mm35 mm 43 mm40 mm 48 mm45 mm 53 mm50 mm 58 mm

Accessories

324

62

13

03

0,5

BTS 84, GB

Universal cover plateavailable in stainless steel orsatin brass.

DORMA BTS 84 Floor spring

Specification text

Floor spring for double actiondoors, with hydraulic fullycontrolled closing fromapprox. 130°; includingcement box and removeablespindle insert.


ModelsY StandardY Hold-open 90°Y Hold-open 105°

AccessoriesY Universal cover plate

Y Stainless steelY Satin brass

Y Extended spindle insert,. . . mm extended

Y Sealing compound

Make: DORMA BTS 84

Options and accessories

Floor spring Floor spring Extended spindle inserts (extension in mm) Universal cover plate SealingBTS 84 including BTS 84 including 0 5 7,5 10 12,5 15 20 25 28 30 35 40 45 50 compoundcement box and cement box Stainless Satin 2300standard without steel brass 0.5 kgspindle insert spindle insert

46700022 46700023 45090059

Standard

EN 2 EN 281125002 81125001

# # # # # # # # # # # # # # # # #

EN 3 EN 381110002 81110001

# # # # # # # # # # # # # # # # #

EN 4 EN 481100002 81100001

# # # # # # # # # # # # # # # # #

with hold-open 90°

EN 2 EN 281225002 81225001

# # # # # # # # # # # # # # # # #

EN 3 EN 381210002 81210001

# # # # # # # # # # # # # # # # #

EN 4 EN 481200002 81200001

# # # # # # # # # # # # # # # # #

with hold-open 105°

EN 2 EN 281325002 81325001

# # # # # # # # # # # # # # # # #

EN 3 EN 381310002 81310001

# # # # # # # # # # # # # # # # #

EN 4 EN 481300002 81300001

# # # # # # # # # # # # # # # # #

4520

0401

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4520

0402

4520

0403

4520

0404

4520

0419

4520

0405

4520

0406

4520

0407

4520

0414

4520

0408

4520

0409

4520

0410

4520

0411

4520

0412

# = Accessory

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DORMA GmbH + Co. KGP.O. Box 40 09D-58247 EnnepetalBreckerfelder Straße 42-48D-58256 EnnepetalGermanyTel. +49(0)23 33/793-0Fax +49(0)23 33/79 34 95

The address of a subsidiary/representation in your area youcan find at the DORMA website:www.dorma.com

DORMA Gulf Door Controls FZEJebel Ali Free Zone, Roundabout 8,Unit VC 02P.O. Box 17268Jebel Ali, Dubai United Arab EmiratesTel. 00971 48/83 90 14Fax 00971 48/83 90 15

DORMA Door Controls (Pty.) Ltd.Kings CourtP.O. Box 821822135 SouthdaleSouth AfricaTel. 0027 11/8 30 02 80Fax 0027 11/8 30 02 91

DORMA Door Controls Ltd.DORMA Trading ParkStaffa RoadGB-London E10 7QXTel. 020 8558 8411Fax 020 8558 6122E-mail:hardware@dorma a-uk.co.uk

DORMA Door Controls Ltd.19, Sandyford Office ParkFoxrockIRL-Dublin 18Tel. 01 295 82 80-82Fax 01 295 85 84E-mail:[email protected]

DORMA Door Controls Pte. Ltd.No. 2, Jalan Terusan, JurongSingapore 619285Rep. of SingaporeTel. 0065 62687633Fax 0065 62657914

DORMA Door Controls Pty. Ltd.P.O. Box 1092Narre Warren Vic 380552 Abbott RoadHallam/Victoria 3803AustraliaTel. 0061 3/97 96 35 55Fax 0061 3/97 96 39 55

Floor SpringAccessories

BTSAccessories

DORMA

2

Floor springaccessories

Single actionaluminium doors

Aluminium door straps2 For flush-closing single

action aluminium doors ofvarious types

2 Door width up to 1200 mm,door weight up to 120 kg

2 Non-handed2 Easy to fix – no milling

or routing necessary,only 4 holes to drill

2 Fast and simpleinstallation with lock-pinarrangement

2 Robust and secureinstallation withbackplates and reinforcingangle bracket on doorstrap

2 Steel insert press-fittedin aluminium door strapgives close toleranceconnection to spindle.

DORMA aluminium door strapArt. No. 7459

Silver (EV 1, Euras C-0):Order No. 45010409

Dark bronze(DB 4, Euras C-34):Order No. 45010709

Special colours on request.

DORMA aluminium door strapArt. No. 7459 B

Silver (EV 1, Euras C-0):Order No. 45010482

Dark bronze (DB 4, Euras C-34):Order No. 45010782

Special colours on request.

For further details andaluminium hinges, see ourbrochure entitled “DORMA LMhinges” with ordering guide.

BTS Accessories, GB

For single action aluminium doorsTypical installation

DORMA aluminiumhinge, 36 mm, andDORMA aluminiumdoor strap with DORMA BTS floorspring (or alternativelyDORMA pivot bearing).

( ) = Dimensions for 7459 B

3BTS Accessories, GB

Drill jigsDrill jig for aluminium hingesFor standard hinges(9 mm dia.), for IK (insulatedconstruction) hinges (11 mm dia.) and also for 2 and 3-part hinges; indicatedimensions x and y or theprofile.

Universal drill jig for aluminium door strapArt. No. 7459 LAdjustable to suit variousprofile systems; for normaldoors (9 mm dia.) and alsofor insulated doors, externalfixing (11 mm dia.).Standard design:Order No. 45090074B-type:Order No. 45090075

Universal drill jig for directscrew-fixing of aluminiumdoor strap Art. No. 7459 L/DAdjustable to various profilesystems for direct fixing; fornormal doors (9 mm dia.)and also for insulated doors,external fixing (11 mm dia.).Standard design:Order No. 45090077B-type:Order No. 45090078

Door strapArt. No. 7456/1Drop forged steel; adjustableto various profile systems,non-handed.Order No. 45010006

Cover capsSee pages 4 and 5,Art. No. 7481 and 7482.

Door strap

FFL

4 BTS Accessories, GB


Single actiontimber doors

Top centresArt. No. 7411 K/56Zinc-plated steel; witheccentric pin and bush foradjustment after hangingthe door; non-handed.Order No. 45300016

Door strapArt. No. 7411/56Drop forged steel,zinc-plated.Order No. 45010003

Top washer for door strapArt. No. 7432Stainless steelOrder No. 45090030

For flush-closing doors

Cover capsfor top centres and door strap

56

36

56

8

23

16

LM pivot hinges with fixingfor non-rebated timber doors

Offset in mm Art. No.36 A-36.1022 A-22.1013 A-13.10

For order number,see LM hinge brochure

Type Order No. for cover capsfor top centres, for door strap,

two parts singleLH (ISO 6) RH (ISO 5)

Die cast aluminiumArt. No. 7483/7481Mill finish 45500301 45055300 45051300Silver (EV 1, Euras C-0) 45500401 45055400 45051400Dark bronze (DB 4, Euras C-34) 45500701 45055700 45051700


For rebated doorsTop centresArt. No. 7411 K/46Zinc-plated steel; witheccentric pin and bush foradjustment after hangingthe door; handed.LH (ISO 6) doorOrder No. 45305015RH (ISO 5) door Order No. 45301015

Door strapArt. No. 7411/46Drop forged steel,zinc-plated.Order No. 45010000


LM pivot hinges with fixingfor over-rebated timber doorsFor order number,see LM hinge brochure

Drill jig for flush closing andover-rebated doorsDimension x = 50.5 mm,Dimension y = 3 mm

Cover capsfor top centres and door strap

Type Order No. for cover capsfor top centres, for door strap,

two parts singleLH (ISO 6) RH (ISO 5) LH (ISO 6) RH (ISO 5)

Die cast aluminiumArt. No. 7484/7482Mill finish 45505300 45501300 45055301 45051301Silver (EV 1, Euras C-0) 45505400 45501400 45055401 45051401Dark bronze (DB 4, Euras C-34) 45505700 45501700 45055701 45051701


( ) = TS 93 5 – 7


Single action steel doors

Weld-on accessories

Top centresArt. No. 7431 KSteel, primed; with eccentricpin and bush for adjustmentafter hanging the door;non-handed.Order No. 45300012

Door strapArt. No. 7431Drop forged steel, primedOrder No. 45010005


Cover capssee pages 4 and 5

For single action steel doors

Weld-on accessories

Top centresArt. No. 7441 KSteel, primed; with eccentricpin and bush for adjustmentafter the door is hung; non-handed.Order No. 45300014

Door strapArt. No. 7441Drop forged steel, primedOrder No. 45010007


Cover capssee pages 4 and 5


For butt hung doors


Butt hung doors

21(14)*

21 (1 4)**21 (1 4)**

Example installations

( )* = Offset for non-rebateddoors

Swing lever Art. No. 7451 NDrop forged steel, including top washer 7432.Order No. 45090070

Guide housing Art. No. 7453 NAluminium, anodised, silver (EV 1, Euras C-0).Order No. 45090053

Max. opening angle, backcheck activation angle and hold-open angle

Door thickness in mmOver-rebated door Flush closing door

039 050 060 070 039 050 060 070100 100

Door opening1) in °, max. 100 100125 116 108 102 114 105 098 092135 137 140 140 132 135 135 120

Hold-open for BTS 80, 78 78

and backcheck for BTS 75 85 85

and BTS 80 in ° 60 6052 52

Hold-open for BTS 75 in ° 105 95 100

for following settings in ° 90 90 90105 083 085 087 090 086 090 092 095120 102 105 107 112 108 111 115 120105 073 075 077 079 076 078 080 083120 090 093 095 098 095 100 102 105

Instal-lation

12341234123

4

1

3

2

4

1) Set door stop at maximum dooropening. Owing to the differingpivot points of the floor springand hinges, the backcheck isactivated earlier, i.e. at anopening angle less than 85°.This type of installation reducesthe floor spring’s power. Tominimise this effect, makesure that the door is correctlyhung and free-running on itshinges. Detailed installationdrawing available on request.



Double action doors

l 15/l 13*

l 15

l 13*± 5

l 13*± 5

43

Frame portion 8062/8067Order No. 46020031

Cover plate 8064Order No. 46020044

Door portion 8062Order No. 46020033


Top centres complete(Frame- and door portion)8062 Order No. 463000038067 Order No. 46300005

Frame portion 8066Order No. 46020036Frame portion 7461*Order No. 46020050

Cover plate 8064Order No. 46020044


Door portion 7461 A*Order No. 46020048

Door portion 7463 B*Order No. 46020049

Top centres complete(Frame- and door portion)8066 Order No. 46300006

Angle bracket 8065Order No. 46020039

Adjustable top centres(die cast aluminium)comprising an frame portionwith adjustable pin for deepprofiles up to max. 20 mm,and door portion with needlebearing (8067 with plasticsbearing). For deeper profiles,the top centre assemblycan be supplied with pinsextended by 10 mm or20 mm.

Adjustable top centres(steel)comprising an frame portionwith adjustable pin for deepprofiles up to max. 16 mm,and door portion with needlebearing. For deeper profiles,the top centre assemblycan be supplied with pinsextended by 10 mm or20 mm.

* For door portions 7461 Aand 7463 B,use frame portion 7461with 13 mm dia. pin.

For steel, aluminium and timber doors


Typical installations Bottom strapsfor aluminium doors Top centre 8062

for aluminium doors Top centre 8067

for timber doors Top centre 8066 Typical installations

for steel doors Top centre 7461

Universal bottom strapArt. No. 7422Drop forged steel, zinc-plated; adjustable to variousframe profiles.Order No. 46010002

Bottom strapArt. No. 8021Zinc-plated steel; for door weights up to 100 kg.Order No. 45010410

Bottom strapArt. No. 7421Drop forged steel, zinc-plated for door weights up to 300 kg.Order No. 46010001

Bottom strap Bottom strap Bottom strap8021 7421 7421

with milled hole surface fixed

X = min. 51 mm

X = min. 51 mm

X = min. 51 mm

X = min. 51 mm Bottom strap Bottom strap Bottom strap 7422 8021 7421

FFL

10

DORMA accessories Pivot bearings

BTS Accessories, GB

Pivot bearingsFloor pivot bearing

Floor pivot beairngArt. No. 7471 Kwith thrust roller bearing,load capacity max. 200 kg.Order No. 45070001

Also available to specialorder with extended spindlesin increments of 5 mm upto max. 50 mm.

Art. No. 7471 AXwith angular contact rollerbearing, load capacity max. 300 kg.Order No. 45070002

Cover plate7471 K/AX

Floor pivot bearing

Floor pivot bearingArt. No. 7475 AXwith angular contact rollerbearing, load capacity max. 300 kg.Order No. 45070003

Also available in stainlesssteel.Art. No 8560 GEOrder No. 65540059

Weld-on hinge

Weld-on hingeArt. No. 7472 Kwith thrust roller bearing,load capacity max. 200 kg,and door strap 7431 (see page 6) non-handed,bearing can be inserted fromeither side. Order No. 45070011

Weld-on hinge

Weld-on hingeArt. No. 7472 MUsed as intermediate pivotand upper hinge; witheccentric pin and bush foradjustment after hangingthe door; non-handed bearing can be inserted fromeither side.Order No. 45900008

Typical installation


7

FFL

FFL

FFL

FFL


Weld-on pivot bearing Typical installation

Weld-on pivot bearingArt. No. 7474 Kwith thrust roller bearing,load capacity max. 200 kg,and welded-on reinforcingplate.LH (ISO 6) door:Order No. 45075007RH (ISO 5) door:Order No. 45071007AX model available on request(300 kg capacity)


Screw-on pivot bearing

Screw-on pivot bearingArt. No. 7473 Kwith thrust roller bearing,load capacity max. 200 kg,and reinforcement platesupplied loose.Suitable for timber, steeland aluminium doors.LH (ISO 6) door:Order No. 45075005RH (ISO 5) door:Order No. 45071005



OKFF

Screw-on pivot bearingArt. No. 7476 AXwith angular-contact rollerbearing, load capacity max. 300 kg.Order No. 45070012

Screw-on pivot bearing

FFL

FFL

FFL

FFL

Spindle inserts, zinc-plated,for DORMA BTS floorsprings

Length in mm Order No.

Standard 45200401

+ 5 45200402

+ 7.5 45200403

+ 10 45200404

+ 12.5 45200419

+ 15 45200405

+ 20 45200406

+ 25 45200407

+ 28 45200414

+ 30 45200408

+ 35 45200409

+ 40 45200410

+ 45 45200411

+ 50 45200412

Special types available onrequest:e.g. flat-tapered with 3° offset.Square spindle and otherspindle inserts for nonDORMA accessories.

DORMA sealing compound23000.5 kgOrder No. 45090011

for floor springs Order No.DORMA BTS 80 45090056

DORMA BTS 75 45090057

DORMA BTS 84 81000001


Spindle insertsSealing compoundCement boxes

Spindle inserts

Sealing compound

Cement boxes

Typical applications

Extended spindle insert Spindle ExtensionDimension “X” –(standard 8 mm)(Door clearance)Z – 3 mm

WN

05

0 9

25

, 0

9/0

3,

BTS

Acc

., G

B,

x. D

D,

XX/0

3 ·

Sub

ject

to

chan

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itho

ut n

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e

NOTE: Closer and bottom strap must be installed perfixing instructions for door clearances shown to be valid.Closers with extended spindle inserts are used withthresholds, carpeted floors, terazzo pans or in caseswhere more clearance between door and floor is required.Surface finish: Zinc plaed.

DORMA GmbH + Co. KGDivision Door Controlwww.dorma.com

Central EuropeDORMA GmbH + Co. KGBreckerfelder Str. 42–48D-58256 EnnepetalPhone: +49 2333/793-0Fax: +49 2333/793-495

AustraliaDORMA Door Controls Pty. Ltd.52 Abbott RoadHallam/Victoria 3803AustraliaPhone: +61 3/97 96 35 55Fax: +61 3/97 96 39 55

Emerging MarketsDORMA GmbH + Co. KGBreckerfelder Str. 42–48D-58256 EnnepetalPhone: +49 23 33/7 93-0Fax: +49 23 33/793-495

Far EastDORMA Door Controls Pte. Ltd.No. 2 Jalan Terusan, JurongSingapore 619285Phone: +65 6268/7633Fax: +65 6265/7914

FranceDORMA France S.A.SEuroparc42/44, rue Eugène DupuisF-94046 Creteil CedexPhone: +33 1/41 94 24 00Fax: +33 1/41 94 24 01

GulfDORMA Gulf Door Controls FZEJebel Ali Free Zone,Roundabout 8,Unit VC 02Dubai, United Arab EmiratesPhone: +971 48/83 90 14Fax: +971 48/83 90 15

North AmericaDORMA Architectural HardwareDORMA Drive, Drawer ACReamstown, PA 17567Phone: +1-800-523-8483Fax: +1-800-274-9724

ScanbaltDORMA Danmark A/SSindalvej 6 – 8DK-2610 RødovrePhone: +45 44/54 30 00Fax: +45 44/94 95 04

South AfricaDORMA Door Controls (Pty.) Ltd.Kings Court4A Mineral CrescentZA-2000 Crown/GautengJohannesburgPhone: +27 11/8 30 02 80Fax: +27 11/8 30 02 91

South AmericaDORMA Sistemas de Controlespara Portas Ltda.Av. Piracema, 1400Centro Empresarial TamboreCEP 06400 Barueri/São Paulo, BrasilPhone: +55 11/41 91 32 44Fax: +55 11/41 91 21 93

South-East EuropeDORMA AUSTRIA GmbHPebering Strass 22A-5301 EugendorfPhone: +43 62 25/2 84 88Fax: +43 62 25/2 84 91

South EuropeDORMA Italiana S.r.l.Via. A. Canova 44/46I-20035 Lissone (MI)Phone: +39 039/24 40 31Fax: +39 039/24 40 33 10

DORMA Ibérica, S.A.Camino San Martin de la Vega, 4E-28500 Arganda del Rey(Madrid)Phone: +34 91/8 75 78 50Fax: +34 91/8 75 78 81

UK/IrelandDORMA Door Controls Ltd.DORMA Trading ParkStaffa RoadGB-London E10 7QXPhone: +44 208/5 58 8411Fax: +44 208/5 58 61 22

Spring strength (EN) 3 4 6 1–4Spring strength adjustment – – – 2

Standard and ≤ 1950 mm 2 – – –external doors1) ≤ 1100 mm – 2 – 2

≤ 1400 mm – – 2 –

Fire and smoke check doors – – – 2

Max. leaf weight (kg) 300 120

Non-handed, suitable for single and double action doors 2 2

Closing speed 175° – 0° 2 –adjustable by valve 175° – 15° – 2

15° – 0° – 2

Backcheck, mechanical 2 2

Delayed action adjustable by valve (selectable alternative to the hold-open feature) 2 –

Hold-open Adjustable 2 –

Fixed 90° – 2

Fixed 105° – 2

Coverplate cement box – –secured to floor spring 2 2

Weight in kg 7.1 3.0

Dimensions in mm Length 341 285

Width 178 182

Height 160 150

Floor spring tested to EN 1154 2 2

marking for building products In preparation

2 yes – no1) For applications involving particularly high or heavy loads,

and doors which have to close against wind or draughtconditions, the next larger spring strength should be selected.

34178

60

51-57

36-4

236

-42

2

DORMA BTS 80DORMA BTS 75 V

Floor Springs

Whether standard, narrow or wide, whether LH, RH, or single or double action –DORMA BTS 80 and BTS 75 V door springs aredesigned for all types ofdoor. A comprehensive program of accessoriesensures that they can beused successfully with awide variety of door constructions and floorcoverings.

Thanks to a wide range offunctions, which can beindividually selected to suitdifferent requirements,DORMA BTS 80 and BTS 75 V floor springs offermaximum reliability andquality.

Certified to ISO 9001.

Data and features BTS BTS80 75 V

Universal application, individual functions and assured quality

… for the trade2 Reduced stock require-

ments because of separate,interchangeable spindles.

2 Slim product range offering all key functions.

...for the installer2 Suitable for installation

with LH or RH single anddouble action doors.

2 Interchangeable spindlesenable easy adaptation tostructural conditions –even when retrofitted.

...for the architect/specifier2 Concealed installation for

maximum visual elegance2 All essential functions

provided2 Proven, robust design

capable of withstandingleaf weights of up to 300 kg (BTS 80).

...for the user2 Constant, temperature-

independent closing cycle.2 Highly efficient mechanism

gives maximum user convenience.

Benefits...

BTS 80

28582

50

51-57

36-4

636

-46

BTS 75 V

BTS 80 / 75 V, GB

79

35

10

53

5

58308

1,5

79

35

10

5

35

58

1,5

358BTS 80

BTS 75 V

Double action door Single action door

Application for LH offset pivoted door Application for RH offset pivoted door

LH RH

3

Application and Installation

Accessories

BTS 80 / 75 V, GB

Universal cover plate Adaptable to right or lefthand single action applica-tions by simply snapping offthe appropriate pre-blankedcorner sections. For doubleaction doors, the corner sections remain in place.

The universal cover plate is available in stainless steelor satin brass (materialthickness 1.5 mm).

SpindlesA range of interchangeablespindles is available to pro-vide greater floor clearanceif required (e.g. doors withthresholds, carpeted floorsetc).

Special spindles availableon application: e.g. with flat face profile and 3° offsetor square section; spindlesfor non-DORMA-specific accessories are also available.

DORMA 2300 sealing compound For filling cavities betweenthe floor spring body andthe cement box to protectagainst moisture penetration.

Information about otheraccessories such as doorstraps and top centres canbe found in the “Accessoriesfor DORMA BTS FloorSprings” leaflet

X Z

8

3

Ø 25

Z

Spindle Extension = Dimension “X” – 8 mm)(Door Clearance) Z – 3mm

4

Standard equipment and accessories

BTS 80 specification text DORMA BTS 75 V specification text

BTS 80 / 75 V, GB

Universal non-handed floorspring conforming to DINEN 1154 for single anddouble action doors up tomax. 300 kg leaf weight.With adjustable closingspeed and closing actionfrom approx. 175°, withhydraulically fully controlledclosing cycle and backcheck.With integral pressure compensation feature for temperature-independenthold-open between 75° and175° (removable). Withadjustable hold-open startpoint and delayed action(end of delayed action rangeadjustable between 75° and105°). Including cementbox.


AccessoriesY Spindle

Y standardY ... mm extensionY special model ...

Y Universal cover plate (1.5 mm thick)Y stainless steelY satin brass

Y Sealing compound

Make: DORMA BTS 80

Universal floor spring conforming to DIN EN 1154,non-handed unit suitable forLH and RH single anddouble action doors up to120 kg leaf weight, withadjustable spring strength(size EN 1 – 4) and closingspeed, with closing actionoperational from approx.175°. Featuring hydrauli-cally fully controlled closingcycle and backcheck.Including cement box.

ModelsY With spindleY Without spindle

Y Fixed hold-open at 90°Y Fixed hold-open at 105°

AccessoriesY Spindle

Y standardY ... mm extensionY special design...

Y Universal cover plate (1.5 mm thick)Y stainless steelY satin brass

Y Sealing compound

Make: DORMA BTS 75 V

BTS 80 BTS 75 V Extended spindles (extension in mm) 2300floor spring floor spring sealing

compound,0.5 kg

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

45090059

EN 3 EN 1 – 4x # # # # # # # # # # # # # #

80120000 61701000EN 4 EN 1 – 4 with

hold-open at 90° x # # # # # # # # # # # # # #80110000 61701200EN 6 EN 1 – 4 with

hold-open at 105° x # # # # # # # # # # # # # #80130000 61701300

EN 3 EN 1 – 4# # # # # # # # # # # # # # #

80120001 61701001EN 4 EN 1 – 4 with

hold-open at 90° # # # # # # # # # # # # # # #80110001 61701201EN 6 EN 1 – 4 with

hold-open at 105° # # # # # # # # # # # # # # #80130001 61701301

45200401

Stan

dard

45

20

04

02

45

20

04

03

45

20

04

04

45

20

04

19

45

20

04

05

45

20

04

06

45

20

04

07

45

20

04

14

45

20

04

08

45

20

04

09

45

20

04

10

45

20

04

11

45

20

04

12

Including cement box without spindle

Including cement box and standard spindle

46700000 46700059 Stainless steel

46700100 46700159 Satin brass

x = Floor spring with spindle # = Accessories

Universal cover plate

175°

175°

1

3105°

80°

75°

2

4

1

3105°

80°

75°

2

4

1

2 3

5

Standard and optional functions of the BTS 80

BTS 80 / 75 V, GB

1 Adjustable closing speed2 Hold-open range or

delayed action range

3 Adjustment range – pointat which hold-openbegins, or end of delayedaction range (approx. 75°to 105°).

4 Mechanical backcheck(from approx. 80°)

Hydraulic hold-openThe integrated hold-openfunction allows the door tobe held open at any anglebetween 75° and 175°. The angle at which the hold-open function begins can be adjusted in the range of75° to 105°.

BackcheckThe integrated mechanicalbackcheck function protectsthe wall and door from damage caused by excessivelyvigorous opening.

Delayed actionThe delayed action functionslows the door closingspeed, thereby allowing disabled persons, motherswith pushchairs, staff withtrolleys or hospital gurneysetc. to pass through the doorwithout problem.

15°

175°

90°

12

105°

15°

175°

90°

12

105° 43

70°

43

70°

2

1 5

Standard and optional functions of the BTS 75 V

1 Adjustable closing speedin the range 175° – 15°.

2 Adjustable closing speedin the range 15° – 0°.

3 Mechanical backcheck(from approx. 70°).

4 Fixed hold-open at 90° or105° (option).

5 Adjustable spring strength(EN 1–4).

Closing speedWith two independentlyadjustable closing ranges(175° – 15° and 15° – 0°)the DORMA BTS 75 V isideally adaptable to differentstructural conditions.

BackcheckThe integrated mechanicalbackcheck function protectsthe wall and door fromdamage caused by excessi-vely vigorous opening.

Fixed hold-open (option)With the fixed hold-openfunction the door can beheld open at an angle of 90°or 105°, depending onmodel.Not suitable for use on Firedoors.

The DORMA BTS 75 Vis CERTIFIRE approved(Certificate No. 127) fordoor types ITT 60 and IMM,IMN 240.

WN

05

2 4

20

51

53

2,

11

/03

, B

TS 8

0/7

5 V

, G

B,

X. D

D.

11

/03

·

Sub

ject

to

chan

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itho

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otic

e

4021226286715

www.dorma.com

Door Control

Automatic

GlassFittings andAccessories

Security/Time andAccess (STA)

MovableWalls

Division Door Control worldwide

Central EuropeDORMA GmbH + Co. KGBreckerfelder Str. 42–48D-58256 EnnepetalTel. +49 2333/793-0Fax +49 2333/793-495

AustraliaDORMA Door Controls Pty. Ltd.52 Abbott RoadHallam/Victoria 3803AustraliaTel. +61 3/97 96 35 55Fax +61 3/97 96 39 55

Emerging MarketsDORMA GmbH + Co. KGBreckerfelder Str. 42–48D-58256 EnnepetalTel. +49 23 33/7 93-0Fax +49 23 33/793-495

Far EastDORMA Door Controls Pte. Ltd.No. 2 Jalan Terusan,JurongSingapore 619285Tel. +65 6268/7633Fax +65 6265/7914

FranceDORMA France S.A.S.Europarc42, rue Eugène DupuisF-94046 CréteilTel. +33 1/41 94 24 00Fax +33 1/41 94 24 01

GulfDORMA Gulf Door Controls FZEJebel Ali Free Zone,Roundabout 8, Unit VC 02Dubai, United Arab EmiratesTel. +971 48/83 90 14Fax +971 48/83 90 15

North AmericaDORMA Architectural HardwareDORMA Drive, Drawer ACReamstown, PA 17567Tel. +1-800-523-8483Fax +1-800-274-9724

ScanbaltDORMA Danmark A/SSindalvej 6 – 8DK-2610 RødovreTel. +45 44/54 30 00Fax +45 44/94 95 04

South AfricaDORMA Door Controls (Pty.) Ltd.Kings Court, 4A Mineral CrescentZA-2000 Crown/GautengJohannesburgTel. +27 11/8 30 02 80Fax +27 11/8 30 02 91

South AmericaDORMA Sistemas de Controlespara Portas Ltda.Av. Piracema, 1400Centro Empresarial TamboreCEP 06400 Barueri/São Paulo, BrasilTel. +55 11/41 91 32 44Fax +55 11/41 91 21 93

South-East EuropeDORMA AUSTRIA GmbHPebering Strass 22A-5301 EugendorfTel. +43 62 25/2 84 88Fax +43 62 25/2 84 91

South EuropeDORMA Italiana S.r.l.Via. A. Canova 44/46I-20035 Lissone (MI)Tel. +39 039/24 40 31Fax +39 039/24 40 33 10

DORMA Ibérica, S.A.Camino San Martin de la Vega, 4E-28500 Arganda del Rey (Madrid)Tel. +34 91/8 75 78 50Fax +34 91/8 75 78 81

UK/IrelandDORMA UK Ltd.Door Controls DivisionWilbury WayGB-HitchinHertfordshire SG4 0ABTel. +44 14 62/4776 00Fax +44 14 62/4776 01

Documents

Dorma Floorsprings