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Rotabolt 2 – double possibilities

Rotabolt 2 is a further development of the original and facilitates total control of the load tension through the load tension indicator being equipped with two capsules. The outer indicates the highest desired value and the inner the lower desired value. This feature can be used for two things:

To counteract overload
The inner capsule can be tightened to the desired minimum value and the upper to the maximum load tension value to avoid overloading the bolt

For rapid early detection of need for maintenance measures
The inner capsule can be tightened to the desired minimum value and the upper to a higher value that indicates when preventative maintenance is required.

Rotabolt 2 is most commonly used in offshore, the petrochemical, nuclear power industries as well as for railway vehicles.