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DORMA BTS 84
Floor springs
PRODUCT TECHNICAL SPECS
SPRING STRENGTH (EN) 3
STANDARD AND EXTERNAL DOORS

UP TO 850mm

UP TP 950mm

UP TO 1100mm

NO

YES

NO

CLOSING SPEED VARIABLE BY

VALVE ADJUSTMENT 

 

YES

MAX. LEAF WEIGHT (KG)   100
BACKCHECK   NO
DELAYED ACTION   NO
HOLD OPEN POINT 90° OPTION
WEIGHT IN KG. APPROX   5.0
DIMENSIONS IN MM

LENGHT

WIDTH

HEIGHT

306

108

40

DOOR CLOSER TESTED TO EN 1154   YES

 

The BTS 84 has many of the features than the other DORMA BTS closers with the additional of reduced depth and an array of accessories designed for the aluminium door fabricator and toughened glass door manufacturer

OMR 47.000 
DORMA BTS 75V
Floor springs
Product Technical Specs
Spring Strength (EN)   4
Spring strength adjustment   Yes
Standard and external doors

≤ 950mm

≤ 1100mm

≤ 1400mm

No

Yes

No

For fire and smoke check doors   Yes
Max. leaf weight (kg)   120

Non-handed, suitable for single and

double action doors

  Yes
Closing force variable be mean of adjustment screw    
Closing speed adjustable by valve

175° - 0°

175° - 15°

15° - 0°

No

Yes

Yes

Backcheck, mechanical   Yes

Delayed action adjustable by valve (selectable

alternative to the hold-open feature)

 

No

Hold Open

Adjustable

Fixed 90°

Fixed 105°

No

Yes

Yes

Coverplate secured to 

Cement box

Floor spring

No

Yes

Weight in kg.   3.0
Dimensions in mm

Length

Overall dept

Height

285

82

50

Floor spring tested to EN 1154   Yes

 

The DORMA BTS 75V is a highly adaptable floor spring suitable for all standard single and double - action doors with width up to 1100mm

OMR 53.000 
DORMA BTS 65
Floor springs
Product Technical Specs
Spring Strength EN3 EN4
Standard and external doors 

≤ 950mm

≤ 1100mm

Yes

No

No

Yes

Max. leaf weight in kg   100 100

Closing speed variable by 

valve adjustment

  Yes Yes
Backcheck   No No
Delayed action   No No
Hold Open Point  90° Option Option
Weight in kg. approx    4.0 4.0
Dimensions in mm

Length
Width
Height

276
108
40

276
108
40

Door closer tested to EN 1154   Yes Yes

 

The BTS 65 is a double action floor spring which has been especially developed for the aluminium and toughened glass dfoor industries.

OMR 20.000