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Pipescanner

MEC-SCANTM Pipescanners

Innospection Pipescanner

 

The range of MEC-SCANTM Pipescanners are designed and built for high speed, high performance inspection applications. Based on the Saturation Low Frequency Eddy Current technique, the MEC-SCANTM Pipescanners allow the detection of internal and external corrosion in thin and thick walled piping and vessel components.

This dynamic inspection technique utilises Eddy Current in combination with a magnetic field. With the superimposed DC-magnetisation, the depth of penetration is increased to such an extent that the internal corrosion attack (metal loss) can be detected from the external surface. It also allows the detection of small volumetric internal and external defects.

Its superiority also includes the clear differentiation between the internal and external defects and the ability to inspect both ferrous and non-ferrous materials, including through non-magnetic coatings such as GRP, rubber, paint, etc. Direct surface coupling is not necessary due to its electromagnetic principle.

With its comprehensive reporting software, accurate, reliable and repeatable inspection results are provided in real-time. The advanced colour condition mapping report provides an analysis of both the detected internal and external defects in terms of size, wall loss severity and locations.

 

Key Features & Benefits

  • High defect detection sensitivity in pipes
    • with diameter ranging from 2” to flat surfaces
    • with wall thickness up to 19mm
    • coating thickness up to 8mm
    • experience with temperatures up to 170° C
  • High inspection speed of approx. 20m/min
  • Average accuracy of +/- 10%
  • Detection capability of internal and external defects from <10% wall loss, depending on wall thickness and defect size from Ø 3mm
  • Ability to inspect different steel materials (carbon, stainless, duplex and super duplex)
  • Ability to detect pitting, cracks and various types of corrosion like CO2, microbiological and ammonium chloride salt corrosion, under deposit corrosion
  • Ability to detect internal and external defects in both horizontal and vertical pipes and vessels

 

Technical Data

 

General Specifications

 MEC-P9MEC-P13MEC-P19
Dimensions without handgrips (LxWxH, mm)299 x 225 x 134313 x 225 x 129359 x 233 x 191
Weight12.0 kg16.0 Kg27.0 Kg
No. of sensors448
Sensor width20 mm20 mm18.7 mm
Scanning width100 mm100 mm150 mm
Wall thickness range (*1)0 - 9 (12) mm0 - 13 (15) mm0 - 19 mm
Diameter range2” - flat4” - flat4” - flat

 

Signal Cable

 MEC-P9MEC-P13MEC-P19
Typical cable length (*2)30 m30 m30 m
Weight0.3 Kg/m (Std. cable 9kg)0.3 Kg/m (Std. cable 9kg)0.3 Kg/m (Std. cable 9kg)

 

Eddy Current Unit & Computer

 MEC-P9MEC-P13MEC-P19
ElectronicElectronic System Station in ruggedised Pelican case with built-in Eddy Current Multiple Channel System, power supply unit and scanner connectorElectronic System Station in ruggedised Pelican case with built-in Eddy Current Multiple Channel System, power supply unit and scanner connectorElectronic System Station in ruggedised Pelican case with built-in Eddy Current Multiple Channel System, power supply unit and scanner connector
ComputerIndustrial laptop system connected via USB port to electronic
system station with laptop based separately and connected via the scanner umbilical
Industrial laptop system connected via USB port to electronic
system station with laptop based separately and connected via the scanner umbilical
Industrial laptop system connected via USB port to electronic
system station with laptop based separately and connected via the scanner umbilical

 

Internal Defect Sensitivity at mid WT Range

 MEC-P9MEC-P13MEC-P19
Typical smallest defect size (*3)~ Ø 3 – 5 mm~ Ø 3 – 5 mm~ Ø 4 – 6 mm
Typical smallest defect depth (*4)From 10% - 20%From 10% - 20%From 10% - 20%
Max. stand-off / coating from mid WT range3 - 5 mm4 - 6 mm6 - 8 mm

(*1) Refers to the typical wall thickness range of standard material; may vary depending on material quality.
(*2) Extended cable length available on request.
(*3) Refers to possible detectability, depending on scanner stand-off, quality of material and general surface condition.
(*4) Refers to possible detectability, depending on general surface condition.

 


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