Specialized Services
Hydraulic Bolt Torquing & Tensioning
Flange management services — hydraulic torquing and tensioning, flange spreading and nut splitting — for leak-free, high-integrity joints.
Overview
Hydraulic bolt torquing and tensioning, flange spreading, nut splitting and related flange management activities are essential for the safe and efficient operation of equipment and pipelines in oil and gas, petrochemicals and power generation.
Hydraulic tools are used to tighten bolts in flanged connections to a specified torque or tension, so that each joint is leak-free and has the strength to withstand its intended service conditions.
Scope of services
- Hydraulic bolt torquing
- Hydraulic bolt tensioning
- Flange spreading
- Nut splitting
- Flange management support
Typical applications
- Hydro-test and final assembly bolting
- Shutdown and tie-in joints
- Large-bore and high-pressure flanges
Execution approach
- Confirm joint data and bolting parameters
- Prepare and tighten in the specified sequence
- Record and hand over each joint
Quality assurance & control
- Joint records and tool calibration
Health, safety & environment
- Controlled use of high-pressure hydraulic tools
