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SPX Flow SRT6 Hydraulic Bolt Tensioner

2.500 k.N Hydraulic Bolt Tensioner, Auto Return Cylinder, [M72-M90], 2.3/4“ - 3.1/2“

SPX Code SRTAS060001
Work. Pressure 1500 Bar
Load Cell Spring return
Capacity (tn) 250 Ton
Capacity (k.N) 2500 k.N
Bolt Metric M72 - M90
Bolt Inches 2.3/4" - 3.1/2" inch
Tool Stroke 10 mm
Hydraulic Area 166,71 cm²
Out. Diam. 219 mm
Tool Weight 23 kg
Brand -Origin SPX Flow - USA
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Features
  • Load capacity range 160 ~ 4.100 k.N
  • Load capacity range 35.971 ~ 921.762 Lbf
  • Bolt coverage metric from M20 ~ M115
  • Bolt coverage imperial from 3/4” ~ 4.1/2”
  • Spring return 1500 bar hydraulic system
  • Piston stroke 10 mm with stroke indication
  • Piston/cylinder misalignment compensation
  • Twin couplings for multiple tool connection
  • Unique quick release bridge adaptation
  • Over stroke eliminator to prevent over stroking
  • Desingned to fit BS1560/ANSI B16.5/API flanges
 
Technical Specifications

SPX Flow SRT Series Spring Return Bolt Tensioners

The Spring Return design dramatically increases productivity and safety on the job site when compared to older technology manual return tensioners.

Max tool pressure: 1,500 bar (21,750 psi)

Bolt protrusion above nut: 1 x bolt diameter

Compatibility: Compatible with MRT Tensioner range

Over Stroke: Piston over-stroke eliminator to prevent over stroking and blowing a seal

Fully enclosed load cell design eliminates entry of debris into piston retraction mechanism

Model Capacity Bolt size Nut A/F Thread Pitch Hydraulic area Out. Dia. B C D E F G Weight
No k.N metric Adaptor No. mm # cm² mm (A) mm mm mm mm mm mm kg
SRT6
SRTAS060001
2500 M72 SRTAS060014 105 6.0 166.71 219 167 157 297 82 72 146.5 23
M76 SRTAS060016 110 6.0 166.71 219 174 182 308 89 80 155.5 23
M80 SRTAS060018 115 6.0 166.71 219 174 182 312 89 80 158.4 23
M85 SRTAS060020 120 6.0 166.71 219 180 190 323 95 84 165 23
M90 SRTAS060022 130 6.0 166.71 219 186 205 334 101 88 178.6 23
Imperial Sizes - Inch Hydraulic Bolt Tensioner
Inches Adaptor No. Nut A/F Thread Pitch in² in  (A) in in in in in in lb
2.3/4'' SRTAS060004 4.1/4" 0.125 25.840 8.6 6.6 6.2 11.6 3.2 2.8 5.7 50.7
3'' SRTAS060006 4.5/8" 0.125 25.840 8.6 6.9 7.2 12.1 3.5 3.1 6.3 50.7
3.1/4'' SRTAS060008 5.0" 0.125 25.840 8.6 7.1 7.5 12.6 3.7 3.3 6.7 50.7
3.1/2'' SRTAS060010 5.3/8" 0.125 25.840 8.6 7.3 8.1 13.1 4 3.5 7.2 50.7

Applications including;

  • All Oil & Gas Flanges
  • Heat Exchangers
  • Pressure vessels
  • Exchange covers & nozzles
  • Boiler feed pump
  • Manufacturing machinery
  • Cranes
  • Clamps

SRT Series Hydraulic Bolt Tensioners PDF

SRT6 Bolt Tensioner Dimensions Drawing PDF

SRT 4-8 Load Cell Spare Parts List PDF

SRT 1-8 Adaptor Kits Spare Parts List PDF - Metric

SRT 1-8 Adaptor Kits Spare Parts List PDF - Imperial

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