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The Science

Bolted joint "science" depends on three factors - joint design, component quality and installed design tension - get all three factors right and you have assured integrity.

Over 90% of all bolted joint failures happen because of incorrect tension across the bolted joint.

The Tradition

Torque does not equal tension.

When traditionally tightening a standard bolt it is the tightening force that is being measured - the tension across the joint is completely unknown.

Achieving and maintaining the tension is critical.

The Technology

Using internal air gap technology, RotaBolt's unique tension control fasteners assure that the correct design tension is achieved and then maintained throughout the life of the bolted joint.

The RotaCap locks at the correct tension and only requires a finger-tip check during maintenance.

The Success

RotaBolt tension control systems are assuring integrity wherever bolted joints are subject to pressure containment, vibration loosening, fatigue and structural slippage.

Maintenance-free regimes and leak-free environments have become a reality where a tradition of tightening and then fixing leaks has been a way of life.

The Benefits of Tension Control Technology

• maintenance-free bolted joints
• reduced installation costs
• fit-and-forget regimes
• improved design performance
• reduced operational costs
• reduced build costs