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• Products & Services
  • B.O.P Lifting Systems
  • Slot Recovery
  • Hydraulic Bolting
  • Stud Removal
  • Hydrostatic Testing
  • Pipe & Casing Cutting
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Hydraulic Stud Tensioning

Overview

Hydraulic stud tensioning insures more accurate bolt loads. Multi stud tensioning is used to simultaneously tension 50% to 100% of the bolts in a flange.

Fastorq crews are seasoned in the use of hydraulic stud tensioning equipment for a variety of applications. When your job requires safe application of critical bolt load distribution, Fastorq is the name to trust.

Fastorq field crews are environmentally aware and extensively trained in the application of torque, tension and elongation for all applications.

Applications

• Deep water drilling, production and completion risers.
• Pipeline pig launcher and receiver assemblies.
• Facility vessels like heat exchangers, requiring critical bolt load assurance and assembly documentation tracking.
• Any other application where the control of bolt load variance is critical.
• Any application where QC and tracking are desired.

Features & Benefits

• Reduce safety risk and potential hazardous environmental exposure.
• Address concerns regarding flange joint integrity.
• Resolve issues relative to proper riser installation.
• Relieve concerns of over-stressing bolts on installation.
• Confirm operator requirements with Ultrasonic equipment.
• Written documentation of assembly data.

Capabilities

• Safely, quickly and accurately tension any critical bolting applications.
• Advise operator on proper yields and bolt load requirements.
• Maintain a minimum range of bolt load on installation.
• Assure accurate installation of critical flanges.
• QC, document, and track the flange joint assembly process

Equipment

25% Coverage Tensioning Bolts

50% Coverage Tensioning Bolts

Preparing to secure a bolted flange with Fastorq Tensioners

Fastorq Tensioners using a 25% coverage pattern

Fastorq Ultrasonics Bolting Report Group Name: Operator Elast Mod: 2.991121e+7 PSI Approx. Length: 16.500 IN Bolt Material: L7 K Cons: 2.95e-02 Eff. Length: 12.750 IN Velocity: 0.2348319 IN/US Yeild: 9.513572e+4 PSI X-Area: 1.6400 IN^2 Temp. Coeff: 4.268163e-5 1/F     Flange Location: A-6 Top Keel Flang Bolt Name Length Meas. Temp Stress Elongation Load Fastener 1 16.5791 66.97 56097 0.0239 92000 Fastener 2 16.5833 70.57 53959 0.023 88493 Fastener 3 16.5766 66.42 56101 0.0239 92005 Fastener 4 16.5833 69.57 54487 0.0232 89359 Fastener 5 16.5799 66.42 55423 0.0236 90893 Fastener 6 16.5861 66.97 55833 0.0238 91566 Fastener 7 16.5814 66.2 55677 0.0237 91311 Fastener 8 16.5744 66.76 55748 0.0238 91427 Fastener 9 16.5869 66.07 53794 0.0229 88222 Fastener 10 16.575 66.42 55867 0.0238 91623 Fastener 11 16.5811 64.72 55688 0.0237 91328 Fastener 12 16.584 66.31 55718 0.0238 91377 Fastener 13 16.5842 64.51 55266 0.0236 90637 Fastener 14 16.5884 66.31 55233 0.0235 90582 Fastener 15 16.5879 66.07 55690 0.0237 91332 Fastener 16 16.5853 66.2 56066 0.0239 91948