NBS Source
BTS 80 Floor Spring

Application

Suitable for single and double action doors up to maximum 300 kg leaf weight.

Description

Universal floor spring conforming to DIN EN 1154 for use with a wide variety of door constructions and floor coverings.


Features and benefits:

  • Non-handed design.
  • 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.
  • Mechanical back check.

General information

Material

Coverplate material.

Brass

Stainless steel

Size

341 x 78 x 60 mm

Uniclass

Pr_30_36_36_29 Floor springsPrimary

CAWS

P21/14 Floor springs

P21/450 Floor springs

Product range

Door Controls / Floor Springs

Specification data - Floor springs Enhanced data

Standard

To BS EN 1154.

Closer functions

Mechanical back check.

Materials and finishes

Coverplate material.

Satin brass.

Stainless steel.

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

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.

None.

As standard.

5 mm.

7.5 mm.

10 mm.

12.5 mm.

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Accessories

Contact manufacturer for Information about other accessories, such as door straps and top centres.

None.

DORMA 2300 sealing compound.

For filling cavities between floor spring body and cement box to protect against moisture penetration.

Dimensions

341 x 78 x 60 mm.

Literature

DORMA BTS 80 & BTS 75 V floor springs

DORMA BTS 80 & BTS 75 V floor springs

DORMA BTS Floor Spring Accessories

DORMA BTS Floor Spring Accessories

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