Standard
Portable Precision for Controlled Hydraulic Force
The ABS HX Series provides reliable hydraulic power for bolt tensioning without external power. Its two-stage design ensures efficiency by reducing strokes to reach high pressure. Lightweight and durable, it’s perfect for portable, precise onsite applications.
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Double-Speed Pumping
Fast two-stage delivery.
Fast two-stage delivery.
High Pressure Range
Operates up to 2500 bar.
Operates up to 2500 bar.
Compact Design
Lightweight for tight spaces.
Lightweight for tight spaces.
Dual-Scale Monitoring
Clear psi/bar readings.
Clear psi/bar readings.
Ergonomic Handling
Reduces operator fatigue.
Reduces operator fatigue.
Certified Quality
CE-compliant global safety.
CE-compliant global safety.
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Frequently Asked Questions
You will find answers to about our various industries and industry specialists service and more. Please feel
free to contact us if you don't get your question's answer in below.
free to contact us if you don't get your question's answer in below.
A hydraulic bolt tensioner is a precision tool used to apply accurate axial load to a bolt using hydraulic pressure. It stretches the bolt directly rather than applying torque, ensuring uniform clamping force, reduced frictional loss, and repeatable tightening—especially critical for large-diameter and high-load bolted joints.
Hydraulic bolt tensioners are widely used in industries such as power generation, oil & gas, wind energy, petrochemicals, heavy engineering, and steel plants. Typical applications include flanges, pressure vessels, heat exchangers, turbines, structural joints, and critical maintenance shutdowns.
Hydraulic bolt tensioning offers higher accuracy, even load distribution, faster installation, and eliminates errors caused by friction in threads and under-head bearing surfaces. It is especially suitable for simultaneous tightening of multiple bolts and for applications where precise preload control is essential.
Selecting the correct hydraulic bolt tensioner depends on bolt diameter, thread pitch, required preload, available clearance, and application conditions. Manufacturers typically provide load charts and technical support to ensure the correct tensioner model is chosen for safe and efficient operation.
Yes, hydraulic bolt tensioners are safe when used correctly and in accordance with manufacturer guidelines. Proper operator training, use of certified high-pressure hoses and pumps, and adherence to recommended pressure limits ensure safe and reliable tensioning during operation.
Yes, hydraulic bolt tensioners can be customised to suit special bolt sizes, restricted clearances, non-standard flanges, or specific industry requirements. Custom solutions are commonly developed for OEMs, shutdown projects, and specialised maintenance applications.
