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Flexible Packer

Last updated: May 12, 2018

What Does Flexible Packer Mean?

A flexible packer is a pipe repair/rehabilitation tool that is used to remotely repair damaged pipes. The packer itself is an inflatable hollow rubber tube with wheels on either side. A resin-saturated fiberglass mat is wrapped around the packer, which is then rolled into the host pipe and inflated to repair the spot in question.

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Trenchlesspedia Explains Flexible Packer

Before the flexible packer is deployed, the pipe is inspected beforehand using a CCTV camera system to determine the exact location of the defect. Once the spot to be repaired is found, the flexible packer with the resin-soaked repair mat is wheeled into place using push rods or rope.

Once at the desired location, the packer is inflated using compressed air until the resin-soaked fiberglass mat presses against the inner walls of the host pipe causing the excess resin to penetrate into the damaged areas. The pressure is kept until the resin-soaked mat has cured and formed a tight bond with the host pipe. The packer is then deflated and removed from the pipe.

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MaterialsEquipmentTrenchless RehabilitationOperations

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