Subsea tensioners

Proven reliability and safety record


How Atlas Copco Tentec CTST tensioners work

Atlas Copco Bolt Tightening Solutions guide on detachable bolt tensioners.




Including SPO/Vector* compact flange tensioning


Rapid tensioning with split reaction nut technology

High capacity

High bolt load capacity

Compact 8 - Series

Our subsea tensioners have been used by major offshore bolting contractors since 1991 and have a proven reliability and safety record. Comprising just eight load cells the Compact 8 range is capable of tensioning most standard subsea flanges including Vector SPO*and SPO –S * Compact flanges. Manufactured from high strength stainless steel, the Compact 8 offers increased usage life and reduced maintenance and repair costs.

*Vector is a trademark of Vector Technology Group. All rights reserved.

  • Bolting binder.pdf 2.9 MB, PDF
  • Bolt tightening solutions cat.pdf 12.3 MB, PDF

Making The Difference Atlas Copco Industrial Technique, Atlas Copco Tools video

At Atlas Copco Industrial Technique we create value for our customers with world-class innovative technologies and solutions for manufacturing. Products built to last, long-term thinking, ergonomics and quality – a responsible company working for a sustainable future.



Did you know?

Every third car in the world was made with our tools.