FLOOR SPRING | DORMA | BTS75VHO-EN(1-4)

***For particularly heavy doors and doors which have to close against wind resistance, we recommend the DORMA BTS 80.

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 floor spring conforming to DIN EN 1154, non-handed unit suitable for LH and RH single and double action doors up to 120 kg leaf weight, with adjustable spring strength (size EN 1 – 4) and closing speed, with closing action operational from approx. 175°. Featuring hydraulically fully controlled closing cycle and backcheck. Including cement box.

 

Models
 With spindle
 Without spindle
 Fixed hold-open at 90°
 Fixed hold-open at 105°

Accessories
 Spindle
 standard
 … mm extension
 special model …
 Universal cover plate (1.5 mm thick)
 stainless steel
 satin brass
 Sealing compound