1. Product Features

*Spring automatic recovery. Over stroke protection, suitable for frequent use

*Overtravel protection greatly reduces seal damage caused by operational errors in the park

*Strong applicability, one model can be used for various specifications of bolt tensioners

*Advantages of having other forms of stretchers

*Output 307-8432KN, suitable for bolt M20-M160, maximum working pressure 700-1500Bar

2. Table parameters

3. Drawing parameters