STS

STS Metric Range

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The STS metric bolt tensioner range is designed for topside operation in a wide variety of applications including pipeline flanges, heat exchangers, pressure vessels, compressor covers, boiler feed pumps, anchor bolts and many others. The range comprises of 32 metric size options ranging from M16 to M100 thread size and all models are suitable for working pressures up to 21750 psi. Each model of hydraulic tensioning cylinder within the tensioner range can be operated with a variety of threaded pullers and nut rotating sockets ensuring that the maximum possible range of bolt sizes can be accommodated using the minimum number of hydraulic cylinders. Threaded pullers and nut rotating sockets are available as individual components.

All Hi-Force hydraulic bolt tensioners are designed and manufactured to include a wear coated piston, maximum piston stroke indicator, self-energizing high pressure seals, dual quick connect couplings for easy multiple tensioner connection and a user friendly operation and maintenance procedure.

  • Capacities from 26.3 to 297.6 tons
  • Bolt sizes from M16 to M100
  • Working pressure 21750 psi
  • Single acting design with manual piston retraction
  • High grade alloy steel construction
  • Nitrocarburized piston
  • Maximum piston stroke indicator
  • Dual quick connect couplings for easy connection
  • Designed to fit most sizes of ANSI and API flanges and some Compact flanges
  • Interchangeable accessories to cover multiple stud bolt sizes using same tensioner
  • Customized and special design tensioners are available on request
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Topside Bolt Tensioners Metric Range
Topside Bolt Tensioners Metric Range
Model Number Bolt Thread Size Thread pitch Capacity Effective area inch2 Stroke inch Weight lbs
kN Tons
STS1-M16B1 M16 2 234 26.3 2.42 0.39 3.7
STS1-M18B1 M18 2.5 234 26.3 2.42 0.39 3.7
STS1-M20B1 M20 2.5 234 26.3 2.42 0.39 3.7
STS1-M22B2 M22 2.5 234 26.3 2.42 0.39 4.2
STS1-M24B2 M24 3 234 26.3 2.42 0.39 4.2
STS1-M27B2 M27 3 234 26.3 2.42 0.39 4.2
STS2-M30B1 M30 3.5 457 51.4 4.73 0.59 7.7
STS2-M33B1 M33 3.5 457 51.4 4.73 0.59 7.7
STS2-M36B1 M36 4 457 51.4 4.73 0.59 7.7
STS2-M39B1 M39 4 457 51.4 4.73 0.59 7.7
STS3-M42B1 M42 4.5 822 92.4 8.49 0.59 13.4
STS3-M45B1 M45 4.5 822 92.4 8.49 0.59 13.4
STS3-M45B2 M45 4.5 822 92.4 8.49 0.59 13.9
STS3-M48B1 M48 5 822 92.4 8.49 0.59 13.4
STS3-M48B2 M48 5 822 92.4 8.49 0.59 13.9
STS3-M52B2 M52 5 822 92.4 8.49 0.59 13.9
STS4-M48B1 M48 5 1264 142.1 13.07 0.59 23.4
STS4-M52B1 M52 5 1264 142.1 13.07 0.59 23.4
STS4-M52B2 M52 5 1264 142.1 13.07 0.59 26.0
STS4-M56B2 M56 5.5 1264 142.1 13.07 0.59 26.0
STS4-M60B2 M60 5.5 1264 142.1 13.07 0.59 26.0
STS4-M64B2 M64 6 1264 142.1 13.07 0.59 26.0
STS5-M64B1 M64 6 1833 206 18.94 0.59 35.3
STS5-M68B1 M68 6 1833 206 18.94 0.59 35.3
STS5-M72B1 M72 6 1833 206 18.94 0.59 35.3
STS5-M76B1 M76 6 1833 206 18.94 0.59 35.3
STS6-M76B1 M76 6 2649 297.6 27.37 0.59 51.8
STS6-M80B1 M80 6 2649 297.6 27.37 0.59 51.8
STS6-M85B1 M85 6 2649 297.6 27.37 0.59 51.8
STS6-M90B1 M90 6 2649 297.6 27.37 0.59 51.8
STS6-M95B3 M95 6 2649 297.6 27.37 0.59 64.2
STS6-M100B3 M100 6 2649 297.6 27.37 0.59 64.2

TOMMY BAR

Tensioner Range Tommy Bar
STS1 TTB06
STS2 TTB08
STS3 TTB10
STS4 TTB10
STS5 TTB14
STS6 TTB14

Model Number Dimensions in inch
A B C D E F
STS1-M16B1 2.92 1.1 2.92 3.55 1.77 1.85
STS1-M18B1 2.92 1.1 2.92 3.55 1.77 1.93
STS1-M20B1 2.92 1.1 2.92 3.55 1.77 2.01
STS1-M22B2 2.92 1.18 3.15 3.86 1.77 2.21
STS1-M24B2 2.92 1.18 3.15 3.86 1.77 2.32
STS1-M27B2 2.92 1.18 3.15 3.86 1.77 2.4
STS2-M30B1 4.02 1.54 4.06 5.04 2.13 2.8
STS2-M33B1 4.02 1.54 4.06 5.04 2.13 2.92
STS2-M36B1 4.02 1.54 4.06 5.04 2.13 3.03
STS2-M39B1 4.02 1.54 4.06 5.04 2.13 3.15
STS3-M42B1 5.24 1.85 4.53 5.91 2.21 3.59
STS3-M45B1 5.24 1.85 4.53 5.91 2.21 3.7
STS3-M45B2 5.24 1.97 4.61 6.11 2.21 4.14
STS3-M48B1 5.24 1.85 4.53 5.91 2.21 3.82
STS3-M48B2 5.24 1.97 4.61 6.11 2.21 4.14
STS3-M52B2 5.24 1.97 4.61 6.11 2.21 4.14
STS4-M48B1 6.42 1.97 4.69 5.87 2.25 4.14
STS4-M52B1 6.42 1.97 4.69 5.87 2.25 4.26
STS4-M52B2 6.42 2.44 5.32 6.5 2.25 4.73
STS4-M56B2 6.42 2.44 5.32 6.5 2.25 4.73
STS4-M60B2 6.42 2.44 5.32 6.5 2.25 4.89
STS4-M64B2 6.42 2.44 5.32 6.5 2.25 4.96
STS5-M64B1 7.6 2.88 5.71 7.37 2.36 5.28
STS5-M68B1 7.6 2.88 5.71 7.37 2.36 5.36
STS5-M72B1 7.6 2.88 5.71 7.37 2.36 5.48
STS5-M76B1 7.6 2.88 5.71 7.37 2.36 5.59
STS6-M76B1 9.18 3.31 7.01 8.51 2.52 6.23
STS6-M80B1 9.18 3.31 7.01 8.51 2.52 6.30
STS6-M85B1 9.18 3.31 7.01 8.51 2.52 6.38
STS6-M90B1 9.18 3.31 7.01 8.51 2.52 6.7
STS6-M95B3 9.18 4.14 8.08 10.13 2.52 7.25
STS6-M100B3 9.18 4.14 8.08 10.13 2.52 7.49