Centralisers
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The piggyback system is a clamp arrangement used during pipeline installation to attach service lines or umbilicals to a main pipeline.
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AIS is a global leader in the engineering, manufacture and application of insulation and passive fire protection systems, as well as buoyancy and SURF (subsea, umbilicals, risers and flowlines) products.
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Centralisers

Supported line abrasion protection

Centralisers allow flexible or rigid lines to be positioned within I-tubes, J-tubes, tunnels or larger diameter pipes, preventing contact with internal surfaces and reducing the risk of abrasion damage.

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Benefits

Protection and efficiency for line installation

Installed onto the cable or pipe before deployment, Centralisers prevent supported lines from touching the inside of the hosting tube. Their low coefficient design reduces pull-in loads while providing abrasion protection throughout installation and operation.

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Abrasion protection
Keeps supported lines centred within tubes, preventing contact with internal surfaces and reducing the risk of abrasion damage caused by movement and subsea current activity.
Reduced loads
Low coefficient design reduces pull-in loads during installation, helping improve deployment efficiency when cables, umbilicals or pipelines are being pulled through protective structures.
Corrosion resistant
Manufactured from non-corrosive materials, providing long-term performance and durability in harsh subsea environments without the risk of corrosion-related degradation.

Specifications

Applications

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With a fresh look and simple navigation, we are pleased to announce that the new AIS website is now live.
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October 1, 2026
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Marking the next phase of its growth strategy, AIS is delighted to announce that it has received all necessary approvals and completed the acquisition of Matrix Composites & Engineering, a leading Australian provider of advanced composite materials and subsea engineering solutions.
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