Hydraulic bolt tensioner
STS-CK series
Hi-Force Hydraulics
adapt an existing STS tensioner assembly to another thread size, within the tensioner range,
by purchasing individual components or a simple conversion kit. By changing the required components
[see drawing and table on the next page], Hi-Force STS stud bolt tensioners offer the user even greater
versatility at an economical cost.
Tensioner models STS1, STS3, STS4 & STSB are available with two different bridge sizes, hence always
check whether or not the required thread change is possible within the bridge size (please follow coloured
lines in below drawing). Make sure that all components match up. DO NOT mix components from different
colour lines. A large bridge will require the usage of a long threaded puller to ensure sufficient thread
engagement, as well as a large size nut rotating socket.
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