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Non-Destructive Testing (NDT)

Non-Destructive Testing (NDT)

Conventional and advanced non-destructive testing (NDT) are key tools in establishing the condition of structures including individual bolts, pins and welds.

The service is particularly valuable for hull integrity, offshore platforms and drillships. Any parts requiring change-out can be replaced through non-intrusive work.

Conventional techniques used include:

  • Close visual inspection
  • Magnetic particle inspection (MPI)
  • Liquid penetrant inspection (LPI)
  • Ultrasonic inspection
  • Eddy current inspection

These methods provide a precise picture of the condition of individual parts and enable us to monitor the aging and corrosion process over many years.

Phased array inspection is an advanced technique that uses ultrasonic rays. It is relatively non-intrusive and usually requires minimal dismantling for access. It is an ideal method when you need a fast technique that minimises down-time.

All NDT can be carried out via rope work and it can be a cost-effective alternative to stripping down a full piece of equipment.

Sparrows Group is a DNV GL and ABS approved service provider for conventional NDT.
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