Hi Boaz. If the pipeline is ...

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Hi Boaz. If the pipeline is constructed in PE then this is a flexible plastic pipeline. This type of material is not usually pigged or scraped as it will be irreversibly damaged. Also if the sections have been butt fused (as is usual) there will be internal ridges at the bead locations that will make physical cleaning virtually impossible. If the pipeline really does need cleaning then chemical or biological processes are recommended to consideration.