DORMA BTS 75 V Floor Spring

Universal floor spring

The DORMA BTS 75 V is a highly adaptable floor spring suitable for all standard single-, and double-action doors with widths up to 1100 mm, with its closing force individually regulated by means of an adjustment screw.


Certified manufacture to ISO 9001.

Universal application range

Whether standard, narrow or wide, whether LH, RH, or single or double-action – the DORMA BTS 75 V door spring is designed for all types of doors. A comprehensive program of accessories ensures that it can be used successfully with a wide variety of door constructions and floor coverings.

Maximum reliability and quality

Thanks to a wide range of functions which can be individually selected to suit different requirements, DORMA BTS 75 V floor springs offer maximum reliability and quality.

Benefits for the trade/distributor
  • Reduced stocking requirements thsanks to separate, interchangeable spindles
  • Streamlined product range offering all key functions
Benefits 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
Benefits for the architect/specifier
  • Concealed installation for maximum visual elegance
  • All essential functions provided
  • Proven, robust design
Benefits for the user
  • Constant, temperature independent closing cycle
  • Highly efficient mechanism gives maximum user convenience

Technical Brochure [1]

Product Description Format/Size Date Language  


Technical brochure

776.78 KB
07.2013 EN download

Product Brochure [1]

Product Description Format/Size Date Language  


DORMA Door Control architectural binder

98.97 KB
n/a EN download

Instructions/Manuals [2]

Product Description Format/Size Date Language  

BTS 75 V

BTS 75 V Mounting Instruction

625.85 KB
03.2006 INT download

BTS 75 V

BTS 75 V Mounting Instruction Retrofit Set

443.20 KB
06.2008 INT download