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In-line Inspection

What Does In-line Inspection Mean?

In-line inspection refers to a preventative maintenance examination of pipelines to identify corrosion, cracks and other defects that may result in catastrophic failure of the structure. It is a form of nondestructive examination.

In-line inspection may also be known as line inspection.

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Corrosionpedia Explains In-line Inspection

In-line inspection involves the use of technologically advanced tools. One such tool is referred to as a smart pig, which is deployed inside a pipeline and can move along the full length of the pipeline. Once deployed, the pig can perform contact testing, inspections and sample collections from inside the pipeline body. It is also used to record data such as the wall thickness and dents as it moves through the pipeline.

In-line inspections with devices such as smart pigs are vital because they allow for the continuous operation of the pipeline during inspections, preventing a shut down or interruption of product output.

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Synonyms

Line Inspection

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Tags

InspectionProceduresCorrosion Prevention ToolsPipeline and Underground SystemsPipelineInspection / MonitoringAsset Management

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