Single Stage 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.

Single-stage tensioners are ideal for applications that are vertically limited. They provide a large amount of stroke in a vertically compact package.

HTI provides a wide variety of single-stage tensioners in both fixed models used with a specific stud size, and variable models that work with a variety of stud sizes.

HTI single-stage tensioners can be standard or spring returns and are available in standard sizes (up to 4" / M100) and in lerger sizes (up to 17" M425).

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Fixed Model Tensioners Model 1973 M72 & M120 Tensioners

Single Stage Tensioner Applications

Pipeline Flanges
Pressure Vessels
Valves and Pumps, Pump Couplings
Manways
Heat Exchangers
Diesel Engines
Cranes
Presses
Steam & Gas Turbines
Shaft Couplings
Coal and Rock Grinders
Catalyst Reactors
Wind Turbines
Electric & Steam Generators
And more

If one of our standard catalog models doesn’t work, we can design a custom tensioner for any fastening application. Some varieties of single stage tensioners are:

Fixed (made for a specific stud and nut size)
Variable (able to accommodate a number of different stud and nut sizes)
Large stud (for applications with studs over 6” in diameter)
High load and stroke (for applications requiring high bolt loading or an extra long stroke)

Custom 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.

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If you have questions, comments, would like more information about our products, or want to get started designing your custom tensioning solution, please contact us and we will respond promptly.

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Single Stage Tensioners

Single Stage Tensioner Applications

If one of our standard catalog models doesn’t work, we can design a custom tensioner for any fastening application. Some varieties of single stage tensioners are:

Multi-Unit Tensioners

Multi-Stage Tensioners

Foundation Tensioners

Through-Hole Tensioners

High Load & High Stroke Hydraulic Tensioners

Flange Tensioners

Subsea Tensioners

Wind Turbine Tensioners

Custom Engineered Tensioners Since 1986

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