Load-Sensing Tensioner

Load-Sensing Tensioner

Superbolt var först i världen att revolutionera muttrar och skruvar med tekniken för multi-jackbolt tensioners. Sedan dess har vår teknik visat sin styrka i tiotusentals framgångsrika installationer, och vi fortsätter att utveckla nya lösningar för att lösa nästa generations skruvutmaningar.

Easy preload measurement

A true innovation in the field of preload monitoring, the Superbolt Load-Sensing Tensioner (LST) is among the first of Nord-Lock Group’s Industry 4.0 products.

Equipped with a strain-measuring device, the patented LST analyzes the variation of the tensioner’s circumference in proportion to the variation in bolt preload. Additionally, the LST offers remote monitoring and a live reading of data – all with an accuracy that is better than +/-5%!


In the same way we are now connecting to our home systems remotely, why wouldn’t industries do the same thing and connect to critical components to maintain them?

Want to know more about Nord-Lock Group’s Load-Sensing Solutions?

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Superbolt LST

Benefits of the LST:

  • Remote preload monitoring and a live reading of data
  • Facilitates more uptime during service
  • Precise and repeatable preload reading
  • Eliminates the need for modifications of the bolt
  • Seamless to retrofit/upgrade — simply replace original nut with the LST
  • Robust and reliable, IP67 classed
  • Accurate preload verification without adjustment of clamped parts
  • No alteration needed of the assembly (including stud or joint design or geometry)
  • Removes risk of injuries for operators in hazardous areas
  • Eliminates high costs on labor, additional measuring devices and periodic verification by maintenance



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