MONPAC

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Deployed by 6 companies

Acoustic Emission (AE) technology package for evaluating the structural integrity of metallic pressure equipment

Page last modified
April 11 2024

MONPAC™ utilises proprietary multichannel AE systems and sensors that detect the high-frequency signals resulting from active defects. The systems have sufficient speed and resolution to ensure real-time, on-screen display of all activity and indications. It provides a severity grading for defects along with recommendations for further action. Sources of interest can be located on the equipment.
 

Pros & Limitations
1
Rapid inspection (e.g. a 15m sphere is tested in approximately 3 days)
1
Global monitoring (100% inspection, including welds, repairs etc.)
1
Supports Non-intrusive Inspection (NII) strategies, as per DNV-RP-G103
1
Aids pre-turnaround inspection and maintenance planning
1
In-service continuous monitoring can be applied to critical assets, as per API 579
1
Meets the requirements of ASME-V article 12, EN 15495, EN 14584 and AFIAP
1
Guiding local NDT where it is needed
1
Reduction in downtime resulting from improved information about plant condition
1
Reduction in inspection costs
0
The method does not identify manufacturing defects
0
It does not give information on defect size but grades the activity and gives recommendations for the extent of any follow-up inspection
Specification
Specification Title Specification Description
Application
Pressure Vessels.
Areas of Application
In-service pressurisation (with working fluid or inert gas) | Requalification hydrotest of used pressure equipment | First hydrotest of new pressure equipment.
Monitoring
Global monitoring (100% inspection, including welds, repairs etc.).
ATEX certified
Non applicable, working with low voltage equipment
Capabilities
Overstress, Manufacturing defects (e.g. weld defects), In-service defects (e.g. cracks), Corrosion, including CUI, Environmentally assisted cracking (e.g. chloride-induced SCC).
Compliance
Meets the requirements of ASME-V article 12, EN 15495, EN 14584 and AFIAP.

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Technology Readiness Level

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[9/9]

Development Technology demonstration Mature / Proven
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MISTRAS Group is one of the world's largest suppliers of integrity and inspection services. We specialise in providing innovative asset integrity solutions for all projects using enhanced services that include asset monitoring, advanced and conventional NDT

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Solution Deployed By
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