TENSOR: Over 40 Years of Excellence in Bolt Tensioning for Reactor Vessel Heads

Bolt Tensioning     Single Stud Tensioner     Multi Stud tensioner     Stud Handling

Maximize Efficiency with TENSOR’s Complete Bolt Tensioning Systems

Since 1978, TENSOR has been a trusted leader in delivering complete Bolt Tensioning Systems for Reactor Vessel Heads (RVH). With over four decades of experience in nuclear power plants worldwide, we bring unmatched expertise, reliability, and innovation to every project.

Partner with TENSOR for proven solutions that power the future of nuclear energy.

At TENSOR, we offer industry-leading bolt tensioning solutions designed to enhance performance and reliability. Our systems feature state-of-the-art, digitally controlled pump units with built-in multiple redundancies for maximum safety and uptime.

Our bolt tensioners, starting from M80 (3” UNC) and above, are engineered for ease of use. They come equipped with a counterbalance device for effortless turning off the puller sleeve, an over-stroke prevention indicator, and an airdrive for smooth, efficient operation. For added convenience, we also provide quick hoists, ensuring swift handling of tensioners on the job site.

Need tailored solutions? We’ve got you covered with our custom tensioning and de-tensioning programs, designed to optimize your operations and deliver outstanding results.

Choose TENSOR for unmatched reliability and performance in bolt tensioning. Contact us today to learn more!

KEY FEATURES AND BENEFITS OF THE TENSOR RVH SYSTEMS

• The compact design reduces the tensioner's weight
• Promotes worker safety and easy handling method
• Reduced equipment set-up/removal time
• Less weight is added to the carousel
• Reliable, less-complex Swedish design
• Minimal tooling maintenance requirements
• Fail-safe design with built-in redundancies and alternative operation modes
• Flexible pump and console positioning to enable location in the low-dose area
• Less than 30 seconds pressurization time, adapted to customer requirements
• Floating piston for better tolerance towards sagging flanges

Bolt Tensioning     Single Stud Tensioner     Multi Stud tensioner     Stud Handling