STS Range - Imperial | Hi-Force | Bolt Tensioners | HES
Hi-Force product

STS Range - Imperial

Topside Bolt Tensioners - Imperial

  • Single acting design with manual piston retraction
  • High grade alloy steel construction
  • Nitrocarburised piston
  • Maximum piston stroke indicator
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Product Overview

The STS imperial 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 26 imperial size options ranging from ¾” to 4” thread size and all models are suitable for working pressures up to 1500 bar.

  • Capacities from 234 to 2649 kN
  • Bolt sizes from ¾" to 4"
  • Working pressure 1500 bar

Product resources

Technical specifications

Model NumberBolt Thread SizeThreads per inchCapacityEffective area cm2Stroke mmWeight kg
kNtonnes
STS1-075B13/4"1023423.915.6101.7
STS1-087B17/8"923423.915.6101.7
STS1-100B21"823423.915.6101.7
STS1-112B21 1/8"823423.915.6101.7
STS2-125B11 1/4"845746.630.5153.5
STS2-137B11 3/8"845746.630.5153.5
STS2-150B11 1/2"845746.630.5153.5
STS3-162B11 5/8"882283.854.8156.1
STS3-175B11 3/4"882283.854.8156.1
STS3-175B21 3/4"882283.854.8156.1
STS3-187B11 7/8"882283.854.8156.1
STS3-187B21 7/8"882283.854.8156.1
STS3-200B22"882283.854.8156.1
STS4-187B11 7/8"81264128.984.31510.6
STS4-200B12"81264128.984.31510.6
STS4-200B22"81264128.984.31510.6
STS4-225B22 1/4"81264128.984.31510.6
STS4-250B22 1/2"81264128.984.31510.6
STS5-250B12 1/2"81833186.9122.21516.0
STS5-275B12 3/4"81833186.9122.21516.0
STS5-300B13"81833186.9122.21516.0
STS6-300B13"82649270176.61523.5
STS6-325B13 1/4"82649270176.61523.5
STS6-350B13 1/2"82649270176.61523.5
STS6-375B33 3/4"82649270176.61523.5
STS6-400B34"82649270176.61523.5

Note: Weight is for load cell and bridge only. Total weight of complete assembly depends on size of puller and nut rotating socket selected. Tommy bars are not included. Hi-Force recommends one tommy bar for every four tensioners.

Tommy Bar

Tensioner RangeTommy Bar
STS1TTB06
STS2TTB08
STS3TTB10
STS4TTB10
STS5TTB14
STS6TTB14

Dimension

Hi force dim draw bolt tensioners STS

Dimensions (mm)

Model Number
ABC minDEF
STS1-075B1742874904551
STS1-087B1742874904554
STS1-100B2743080984561
STS1-112B2743080984564
STS2-125B1102391031285474
STS2-137B1102391031285477
STS2-150B1102391031285480
STS3-162B1133471151505692
STS3-175B1133471151505693
STS3-175B21335011715556104
STS3-187B1133471151505697
STS3-187B21335011715556104
STS3-200B21335011715556104
STS4-187B11635011914957104
STS4-200B11635011914957104
STS4-200B21636211914957106
STS4-225B21636213516557121
STS4-250B21636213516557127
STS5-250B11937314518760134
STS5-275B11937314518760140
STS5-300B11937314518760147
STS6-300B12338417821664161
STS6-325B12338417821664167
STS6-350B12338417821664172
STS6-375B323310520525764191
STS6-400B323310520525764196

Services and support

Whether it is choosing the right tool for the job, improving technical and operational knowledge or product maintenance and warranty, HES is here to help.

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Want to know more about the range? Our product team are on hand to support you with your requirements. Speak to our team today.

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