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What is Inspection Pipeline Inspection Gauges (PIG) hydraulic propulsion?

Hydraulic propulsion is a common PIG propulsion method that is suitable for most pipeline types.

The high pressure of the liquid can make it relatively easy for PIG to pass through curves and turns within the pipeline, and tightly connect with the interior of the pipeline with a smaller bending radius.

Compared to compressed gas propulsion, hydraulic propulsion is more stable and precise, and is typically used in situations where more accurate detection of internal problems in pipelines is required.

Pipeline inspection gauges (PIG)

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