BTS 75

cod produs:



Universal application, individual functions and assured quality


Whether standard, narrow or wide, whether LH, RH, or single or double action – DORMA BTS 80 and BTS 75 V door springs are designed for all types of door. A comprehensive program of accessories ensures that they can be used successfully with a wide variety of door constructions and floor coverings. Thanks to a wide range of functions, which can be individually selected to suit different requirements, DORMA BTS 80 and BTS 75 V floor springs offer maximum reliability and quality.
Certified to ISO 9001.





For the distributor

  • Reduced stock requirements because of separate, interchangeable spindles.
  • Slim product range offering all key functions.


For the installer

  • Suitable for installation with LH or RH single and double action doors.
  • Interchangeable spindles enable easy adaptation to structural conditions – even when retrofitted.


For the architect/specifier

  • Concealed installation for maximum visual elegance
  • All essential functions provided
  • Proven, robust design capable of withstanding leaf weights of up to 300 kg (BTS 80).


For the user

  • Constant, temperatureindependent closing cycle.
  • Highly efficient mechanism gives maximum user convenience.