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ECT BASED

Pulsed Eddy Current Array (PECA)

Pulse Eddy Current (PEC) is an electromagnetic inspection technique used to detect wall loss on ferromagnetic structures such as carbon steel & cast iron, without removing the insulation. It provides a relative volumetric measurement converted into an averaged thickness measurement based on the calibration area. This tool was developed for the detection of corrosion under insulation (CUI) & fireproofing (CUF).

This is an excellent technique to be applied on objects that are insulated & also can be applied on objects that are difficult or extreme cost accessible.

ADVANTAGES OF

PECA

  • Can measure remaining thickness of a component with a lift-off
  • Insulation with weather jacket (aluminium, stainless steel, galvanized steel)
  • Concrete / silicate
  • Marine growth
  • No surface preparation needed
  • Coating (paint) / insulation / passive fire protection removal not required
  • No interference with production (can applied during in-service plant operation)
  • Accessibility issues are minimized as it can be used via rope access operators
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USAGE OF

CUI & CUF

Petrochemical Plants & Refineries

  • Sphere legs
  • Insulated cryogenic tanks & piping
  • Tank floors with fiberglass coatings
  • Pressure vessels
  • Skirts

Power Generation

  • Feedwater & condensate piping
  • Drain piping
  • Coal feed piping
  • Feedwater heater shells
  • Re-circulating piping
  • HRSG finned tubing

Marine Application

  • Offshore platform legs
  • Ship hulls
  • Seawall bulkheads
  • Bridge pier sheet piling
  • Fireproofed structural beams
VIDEO OF

PECA

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