Product Summary

The BTS 75 V is a highly adaptable floor spring suitable for all standard single and double action doors and for exterior doors with widths up to 1,100 mm.

  • Concealed installation
  • Adjustable closing force EN 1-4
  • Easy door opening acc. DIN SPEC 1104
  • Maximum ease of use

Product Details

Universal application range, individual functions, assured quality
Whether standard, narrow or wide, LH, RH, single or double action – as universal floor springs, the DORMA BTS 80 and BTS 75 V are designed for all types of doors.

A comprehensive range of accessories ensures that they can be adapted to a wide variety of door constructions and different floor finishes.
The individual functions of the DORMA BTS 80 and BTS 75 V floor springs fulfil a range of different requirements while offering maximum reliability and quality.

Bubble spirit level

As of May 2017, the 75 V floor springs are delivered with an integrated bubble spirit level in Germany and Austria.
The BTS 75 V floor spring can now be quickly aligned without any additional tools thanks to this product modification, making mounting faster and simpler.


BTS 75 V floor spring Libelle
BTS 75 V floor spring Libelle

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