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.

Adjustable spring sizesAdjustable spring power from size 1–4 allows the necessary adjustment required for both barrier-free and non-barrier-free openings, giving ultimate installation flexibility.ApplicationsTrouble-free performance under adverse climatic and traffic conditions makes the BTS75V floor-concealed closer dependable and a perfect choice for even the most rigorous applications. For total control and uncompromising creativity for any door opening, specify a BTS75V floor-concealed closer.

Plus points 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, temperatureindependent closing cycle
• Highly efficient mechanism gives maximum user convenience