The DORMA BTS 75 V is a highly adaptable floor spring suitable for all standard single-, and double-action doors with widths up to 1250 mm, with its closing force individually regulated by means of an adjustment screw. It can close doors weighing up to 160 kg.
Successfully third party tested to BS EN1154
CE Marked
CERTIFIRE Approved CF127
Universal application range
Whether standard, narrow or wide, whether LH, RH, or single or double-action – the DORMA BTS 75 R 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 R floor springs offer maximum reliability and quality.
Benefits for the trade/distributor
Reduced
stocking requirements thanks 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
Constant,
temperature independent closing cycle
Highly
efficient mechanism gives maximum user convenience