High Load & Stroke Hydraulic Tensioners
Hydraulic tensioning is the ideal method for tightening bolted connections. Hydraulic tensioning eliminates inaccuracies and helps achieve correct bolt loading in critical connections. At HTI, we’ve been building hydraulic tensioners and nuts since 1986.
What is a High Load Tensioner?
HTI high load hydraulic tensioners are useful in circumstances where a long stud deflection is required to achieve the target stud load.
An HTI high load tensioner
High Load Tensioner Capabilities
HTI high load hydraulic tensioners are useful in circumstances where extremely high bolt-loading (high tension) is required. HTI standard tensioners are designed to provide up to 50-60% of the yield strength of a typical stud made of B7 material, while our high-load tensioners are designed to provide loads beyond that level.
In addition, HTI's standard hydraulic tensioner designs provide a longer stroke than most tensioners in the industry - up to 0.6 inch / 15mm. However, our high load tensioner designs provide extremely-long strokes up to 6 inches / 150 mm.
HTI high-stroke and high-load tensioners can be either single-stage, for vertically limited spaces, or multi-stage, for radially limited spaces.
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Learn MoreCustom Engineered Tensioners Since 1986
HTI has been designing engineered solutions to your toughest bolt tensioning problems since 1986! You can choose from one of our standard catalog sizes above, or we can design a custom fixed tensioner for any application when a standard model won’t work. HTI tensioners can be designed for imperial or metric-sized studs, high loads, high temperatures, large stud sizes, or corrosive environments. Our multi-unit tensioning systems can make easy work of large bolted systems, and our automated tensioning systems can reduce labor and increase throughput in high-volume manufacturing applications.