Description
Universal Application, Individual Functions and Assured Quality
Whether standard, narrow or wide, whether LH, RH, or single or double action – 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, BTS 80 and BTS 75 V floor springs offer maximum reliability and quality.
Certified to ISO 9001.
Benefits
- For the trade
- 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, temperature independent closing cycle.
- Highly efficient mechanism gives maximum user convenience.
DORMA 2300 sealing compound
For filling cavities between the floor spring body and the cement box to protect against moisture penetration.
Information about other accessories such as door straps and top centers can be found in the “Accessories for DORMA BTS Floor Springs” leaflet
Specification Text
Universal non-handed floor spring conforming to DIN EN 1154 for single and double action doors up to max. 300 kg leaf weight. With adjustable closing speed and closing action from approx. 175°, with hydraulically fully controlled closing cycle and backcheck. With integral pressure compensation feature for temperature-independent hold-open between 75° and 175° (removable). With adjustable hold-open start point and delayed action (end of delayed action range adjustable between 75° and 105°). Including cement box.
Size
EN 3
EN 4
EN 6
Accessories
Spindle
standard
… mm extension
special model …
Universal cover plate
(1.5 mm thick)
stainless steel
satin brass
Sealing compound
