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Description

Universal floor spring conforming to DIN EN 1154.

Features:

  • Can be used successfully with a wide variety of door constructions and floor coverings.
  • Non-handed design. Suitable for single and double action doors.
  • Maximum door leaf weight 300 kg.
  • Closing speed adjustable in the range 175°–0°.
  • Delayed action option available as selectable alternative to adjustable hold-open feature.
  • Concealed installation for maximum visual elegance.

Dimensions:

341 mm long x 78 mm wide x 60 mm high.

General information
Features

Can be used successfully with a wide variety of door constructions and floor coverings

Non-handed design. Suitable for single and double action doors

Maximum door leaf weight 300 kg

Closing speed adjustable in the range 175°–0°

Delayed action option available as selectable alternative to adjustable hold-open feature

Concealed installation for maximum visual elegance

Uniclass 2015
Pr_30_36_36_29 Floor springsPrimary
Specification data - Floor springs
Product Reference

BTS 80

Spring strength

EN 3

For standard and external doors up to 950 mm wide.

EN 4

For standard and external doors up to 1100 mm wide.

EN 6

For standard and external doors up to 1400 mm wide.

Spindle extension

None

As standard.

5 mm

7.5 mm

10 mm

12.5 mm

15 mm

20 mm

25 mm

28 mm

30 mm

35 mm

40 mm

45 mm

50 mm

Coverplate

Satin brass

Stainless steel

Accessories

DORMA 2300 sealing compound

Standard product features

Mechanical backcheck.

Independent testing:

Successful independent testing to BS EN 1154.

Product Options

Spindle extension:

A range of interchangeable spindles is available to provide greater floor clearance if required (e.g. doors with thresholds, carpeted floors). Special spindles available on application: e.g. with flat face profile and 3° offset or square section; spindles for non-DORMA-specific accessories are also available.

Accessories:

  • DORMA 2300 sealing compound: For filling cavities between floor spring body and cement box to protect against moisture penetration.
  • Contact DORMA for Information about other accessories, such as door straps and top centres.

Literature
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