Compensating tensioner and balloon control

S-Flex has been developed with a design focused on the combination of “balloon control” and “braking” functionality that covers a range of typical yarns and applications. An optimized braking cone ensures a solution with excellent performance and further improved resistance to wear.

IRO S flex

Performance, versatility and longevity are the driving factors behind the development of this new family of brakes, where one brake is able to cover an extensive range of applications.


  • For low and constant tension, these brakes can replace natural soft brushes, with the great advantage of being self-cleaning.
  • Designed to achieve the criteria of a “one brake, one application” solution. See also our application recommendations.
  • High resistance to wear.
  • Compact modular design
  • Compatible with the optional pneumatic threading system
  • Available with special soft material in the cone


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IRO S flex