Understanding Corrosion in Water Pipelines: A Guide for Pipeline Designers


Hydraulic Torquing

Last updated: May 4, 2019

What Does Hydraulic Torquing Mean?

Hydraulic torquing is a mechanical fastening method that provides a torque force to a fastener. By using hydraulic liquids, hydraulic torque wrenches can provide high amounts of torque to fasteners. Hydraulic torquing is often used in the mining, oil and gas, and shipbuilding industries.


Corrosionpedia Explains Hydraulic Torquing

Hydraulic torquing uses a hydraulic system to apply a force to an object, typically a fastener. Using liquids to apply the force allows high amounts of torque, making hydraulic torquing an ideal choice for large fasteners that will undergo stresses.

Hydraulic torquing has several advantages over pneumatic torquing and other forms of torquing:

  • A smaller and lighter hydraulic torque wrench can generate the same torque force as a larger, heavier pneumatic torque wrench.
  • Hydraulic torquing is generally a quieter process than pneumatic torquing.
  • Hydraulic torquing does not require an air compressor, although a hydraulic pump is needed to use a hydraulic torque wrench.
  • When compared to manual torquing methods, hydraulic torquing is able to apply a faster and greater torque force.
  • Although pneumatic torquing provides a torque force faster than hydraulic torquing, hydraulic torquing is generally a more accurate torquing method than pneumatic torquing.

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