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DORMA Floor Springs

Frequently Asked Questions

DORMA BTS extended spindles options

How do i calculate my required spindle length?

Should i use a sealing compound?

Standard & optional functions of the BTS 84

DORMA FLOOR SPRING BODY BTS84 EN4 (INC 8410 COVER PLATE) NHO (9408110000222)

Product Code: DOBTS844

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Description

The DORMA BTS 84 EN4 floor spring is a double action, compact and resistant hydraulic spring. Designed specially for the aluminium and toughened glass door industries.

  • Includes cement box.
  • Includes cover plate.

The BTS 84 has many of the features of the other DORMA BTS closer's with the addition of reduced depth with an array of complimentary accessories.

This model is NON hold-open.

No mechanical backcheck.

Suitable for installation on doors up to 1100 mm (W) with a max. 100kg leaf weight.

Extended spindles - Refer FAQ

Dimensions Weight (approx.)
306 mm (L) x 108 mm (W) x 40 mm (H) 5.0kg
Technical Specifications
Brand DORMAKABA
Has Backcheck No
Spring Strength EN4
Fire Rated No
Has Hold-open No
Max Door Width In mm 1100
Maximum Weight in kg 100

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