Advanced Bolt Tensioners Designed for Efficiency and Simplicity

RVH Tensioning Systems     Single Stud Tensioner     Multi Stud tensioner     Stud Handling

At TENSOR, we design and manufacture high-performance Bolt Tensioners,

including both Single- and Multi-stud models. Our proven designs are engineered to be less complex, lightweight, faster to operate, and easy to maintain—delivering efficiency and reliability on every job.

With over 40 years of global experience, TENSOR systems have been installed in nuclear power plants around the world, mainly at the Reactor Vessel Head (RVH). In addition to our cutting-edge tensioners, TENSOR AB provides comprehensive outage support, spare parts, maintenance, technical sales support, and service, ensuring your operations run smoothly.

Choose TENSOR for superior tensioning solutions and world-class support.

Precision Bolt Tensioners for Every Application

TENSOR offers a complete range of bolt tensioners, from M30 up to M180 (7” UNC) stud dimensions, capable of handling loads up to 12 MN or 1,200 metric tons. Our systems are ready to meet the demands of nuclear plants, chemical facilities, ironworks, and any industry requiring a high-precision stud tensioning solution.

Experience the reliability and precision of TENSOR bolt tensioners—designed for the most critical applications worldwide.

Complete Bolt Tensioning Systems with Digital Control

TENSOR provides fully integrated bolt tensioning systems, featuring digitally controlled pump units with multiple redundancies to ensure maximum reliability and safety. For added convenience and efficiency, we offer customized tensioning and de-tensioning programs tailored to your specific needs.

Trust TENSOR for cutting-edge solutions that deliver precision and performance every time.

KEY FEATURES AND BENEFITS

• Compact design reduces the tensioner's weight
• Promotes worker safety and easy handling method
• Reduced equipment set-up/removal time
• Less weight added to the carousel and polar crane
• 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 low dose area
• Less than 30 seconds of pressurization time, adapted to customer requirements
• Floating piston for better tolerance towards sagging flanges

RVH Tensioning Systems     Single Stud Tensioner     Multi Stud tensioner     Stud Handling