Piggyback system
Centralisers
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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Uraduct®
Uraduct® is a proven protection system safeguarding cables, flowlines, umbilicals and hoses from abrasion and impact. Trusted worldwide, it has become the industry standard for subsea protection.
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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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Piggyback system

Clamp system for secondary line installation on pipelines

The piggyback system is a clamp arrangement used during pipeline installation to attach service lines or umbilicals to a main pipeline, ensuring secure support between surface and seabed during offshore laying operations.

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Benefits

Safe and efficient subsea line attachment

The piggyback system uses snap-together marine grade polypropylene saddles secured with corrosion-resistant Alloy 625 banding. It provides secure attachment for secondary lines during installation, improving handling efficiency, reducing risk, and ensuring safe deployment of cables and pipelines offshore.

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Safe installation
Designed to improve diver safety during installation, with edge-treated banding and fastening systems that reduce sharp edges and minimise risk of injury during offshore operations.
Efficient handling
Snap-together saddle design and improved fastening system reduce installation time and handling complexity, improving efficiency during subsea pipeline and cable deployment operations.
Durable design
Manufactured from tough marine grade polypropylene with corrosion-resistant banding, providing a lightweight yet durable system with excellent impact and abrasion resistance and minimal creep or deformation.

Specifications

Applications

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The new AIS website is now live
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
AIS completes acquisition of Matrix Composites & Engineering
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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July 23, 2026
LS Cable & System awards contract for Taiwan’s Fengmiao offshore wind project
NjordGuard cable protection systems will protect the inter-array cables for the project’s fixed-bottom wind turbines.
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