rtd incotest presentation
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Innovative Solutions for Non IntrusiveInspecting of Insulated Objects
ing. Mark de WaardProject Manager
Applus RTD
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Contents
Introduction Applus RTD
Non Intrusive Inspection
Principle of RTD-INCOTEST ®
Top 5 Applications
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Introduction Applus RTD
RTD was Founded in 1937 in the NetherlandsPart of the Applus Group in 2006Specialized in Non-Destructive Testing (NDT) andInspection Solutions
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Introduction Applus RTD
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Examine installation parts whenever you want while in-service
No unnecessary destruction of insulation or other
Status on interior/exterior of equipment
Know what is happening before a maintenance shutdown
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Non-Intrusive means
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Last minutedefects are found
ExtendeddowntimePlanned downtime
Early in-serviceinspection
Downtime is shorter as you know exactlywhere to look without last minute surprises
Common approach
The Applus RTD approach
Minimizing Downtime
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In-Service Spot Check
Alternative RTD-INCOTEST®
? Average Wall Thickness screening in one single areaMapping according to gridOnly global degradation; detection of local corrosion is
sheer luck
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Principle of RTD-INCOTEST ®
IN sulated COmponent TEST ing,by means of Pulsed Eddy Current (PEC)
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Principle of RTD-INCOTEST ®
Low Alloy Carbon Steel (ferromagnetic)
Wall Thickness 6-65 mm
Insulation Thickness
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Principle of RTD-INCOTEST ®
Sensor selection diagram - none, alu & SS sheeting
0
10
20
30
40
50
60
70
0 25 50 75 100 125 150 175 200 225 250 _ _ _ _ MKI Lift-off [mm] _____ MKII
W a l
l t h i c k n e s s
[ m m
]
V1.0-02
P0.5-1
P1.5-04
P0.25-0
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Standard probes
50mm
Principle of RTD-INCOTEST ®
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Principle of RTD-INCOTEST ®
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Time
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Principle of RTD-INCOTEST ®
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Principle of RTD-INCOTEST ®
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InspectionGrid
AWT [%]
Eddy CurrentDecay
Evaluation
Numbers
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Top 5 Applications
Sphere Legs
Piping
Vessels and Tanks
Columns
Sub Sea Applications
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Top 5 Applications – Sphere Legs
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Top 5 Applications – Sphere Legs
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Top 5 Applications – Piping
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Top 5 Applications – Vessels and Tanks
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Top 5 Applications – Columns
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Top 5 Applications – Sub Sea
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Off-shore = On-shore for RTD-INCOTEST ®
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Top 5 Applications – Sub Sea
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Conventional
Down timeScaffolding
Insulation RemovalSurface preperationInspection
Apply Insulation
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RTD-INCOTEST ®
On streamRope Access orExtension ToolDirectly on Insulation
Why RTD-INCOTEST ®
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Screening and follow-up
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False Call
Severe Corrosion !
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Reporting RTD-INCOTEST ®
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Corrosion Detection
Screening Tool
No Direct Surface Contact Needed
No Surface Preparation Needed
On-Stream
Saves Time, Costs * and Risk
*NOTE RTD INCOTEST® i ti i t f i t g l i ti h t d l
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