STS imperial

STS imperial

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Description

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. 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, bridges 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 234 to 2649 kN
Bolt sizes from ¾” to 4″
Working pressure 1500 bar
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 Imperial Range

Model Number Bolt Thread Size Threads per inch Capacity Effective area cm2 Stroke mm Weight kg
kN tons
STS1-075B1 3/4″ 10 234 23.9 15.6 10 1.7
STS1-087B1 7/8″ 9 234 23.9 15.6 10 1.7
STS1-100B2 1″ 8 234 23.9 15.6 10 1.7
STS1-112B2 1 1/8″ 8 234 23.9 15.6 10 1.7
STS2-125B1 1 1/4″ 8 457 46.6 30.5 15 3.5
STS2-137B1 1 3/8″ 8 457 46.6 30.5 15 3.5
STS2-150B1 1 1/2″ 8 457 46.6 30.5 15 3.5
STS3-162B1 1 5/8″ 8 822 83.8 54.8 15 6.1
STS3-175B1 1 3/4″ 8 822 83.8 54.8 15 6.1
STS3-175B2 1 3/4″ 8 822 83.8 54.8 15 6.1
STS3-187B1 1 7/8″ 8 822 83.8 54.8 15 6.1
STS3-187B2 1 7/8″ 8 822 83.8 54.8 15 6.1
STS3-200B2 2″ 8 822 83.8 54.8 15 6.1
STS4-187B1 1 7/8″ 8 1264 128.9 84.3 15 10.6
STS4-200B1 2″ 8 1264 128.9 84.3 15 10.6
STS4-200B2 2″ 8 1264 128.9 84.3 15 10.6
STS4-225B2 2 1/4″ 8 1264 128.9 84.3 15 10.6
STS4-250B2 2 1/2″ 8 1264 128.9 84.3 15 10.6
STS5-250B1 2 1/2″ 8 1833 186.9 122.2 15 16.0
STS5-275B1 2 3/4″ 8 1833 186.9 122.2 15 16.0
STS5-300B1 3″ 8 1833 186.9 122.2 15 16.0
STS6-300B1 3″ 8 2649 270 176.6 15 23.5
STS6-325B1 3 1/4″ 8 2649 270 176.6 15 23.5
STS6-350B1 3 1/2″ 8 2649 270 176.6 15 23.5
STS6-375B3 3 3/4″ 8 2649 270 176.6 15 23.5
STS6-400B3 4″ 8 2649 270 176.6 15 23.5

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

 

Model Number Dimensions in mm
A B C min D E F
STS1-075B1 74 28 74 90 45 51
STS1-087B1 74 28 74 90 45 54
STS1-100B2 74 30 80 98 45 61
STS1-112B2 74 30 80 98 45 64
STS2-125B1 102 39 103 128 54 74
STS2-137B1 102 39 103 128 54 77
STS2-150B1 102 39 103 128 54 80
STS3-162B1 133 47 115 150 56 92
STS3-175B1 133 47 115 150 56 93
STS3-175B2 133 50 117 155 56 104
STS3-187B1 133 47 115 150 56 97
STS3-187B2 133 50 117 155 56 104
STS3-200B2 133 50 117 155 56 104
STS4-187B1 163 50 119 149 57 104
STS4-200B1 163 50 119 149 57 104
STS4-200B2 163 62 119 149 57 106
STS4-225B2 163 62 135 165 57 121
STS4-250B2 163 62 135 165 57 127
STS5-250B1 193 73 145 187 60 134
STS5-275B1 193 73 145 187 60 140
STS5-300B1 193 73 145 187 60 147
STS6-300B1 233 84 178 216 64 161
STS6-325B1 233 84 178 216 64 167
STS6-350B1 233 84 178 216 64 172
STS6-375B3 233 105 205 257 64 191
STS6-400B3 233 105 205 257 64 196

 

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STS imperial

The STS imperial bolt tensioner range is designed for topside

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