Bolt Tensioner
High-precision hydraulic tool for the controlled, simultaneous tensioning of large bolts to accurate, repeatable loads. Suited to flanges, pressure vessels, heat exchangers and heavy industrial joints.
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Key Features
- Hydraulic single- or multi-bolt tensioning
- Accurate, repeatable bolt load (~±3–5%)
- Spring or hydraulic return
- High-strength alloy-steel construction
- Compatible with electric, pneumatic or manual pumps
- Suits large-diameter bolting
02
Typical Applications
- Flange and pressure-vessel bolting
- Heat exchangers and turbines
- Wind and heavy machinery
- Critical joint make-up
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Technical Specifications
- Type
- Hydraulic / multi-bolt tensioner
- Bolt size
- Approx. M16–M100+
- Working pressure
- Up to 700–1500 bar (system dependent)
- Tensioning force
- Approx. 50–2500 kN+
- Accuracy
- Approx. ±3–5%
- Configuration
- Single / multi-bolt
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Standards & Compliance
ASME PCC-1ISO 898-1 (bolt property class)Traceable calibration
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Certification & Inspection
Supplied to applicable bolting-tool requirements, with pressure and calibration documentation available where specified. Controlled bolting to ASME PCC-1 is supported by procedure and traceable calibration on request.
