AXI-Gard

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Corrosion Protection Material for Bolted Connections within Monopile Transition Pieces

Page last modified
February 22 2024

AXI-Gard is a non-conductive media, which provides corrosion control, typically in the annulus between the transition piece and the monopile. Deployed in splash zones, where oxygen-rich seawater is a significant threat to the integrity of critical elements such as bolts in the monopile, the hydrophobic solution provides protection even if the grout seals fail.

Pros & Limitations
1
Faster pumping and no curing reduces vessel time and cost
1
Simple application by pumping into the annulus
1
Environmentally friendly, plant based material
1
Reduced CO2 emissions
1
Material can be pumped out easily for maintenance and inspections
0
Applicable to bolted connections in monopile transition pieces only
Specification
Specification Title Specification Description
Areas of Application
Corrosion protection from oxygen rich environments in offshore wind turbines and offshore platforms.
Capabilities
Protects vulnerable bolts from corrosion
Compliance
REACh Registered, OCNS Group E
Deployment
Easily deployed using simple pumping spreads
Patents
Patent pending

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Technology Readiness Level

[8/9]

Development Technology demonstration Mature / Proven
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Aubin Group is globally recognised as a leading developer and supplier of chemical solutions to the oil and gas industry with manufacturing, stocking and office locations in the UK and various regions in the Middle East. The company commits resources to developing effective and reliable products and delivering these promptly to clients around the world. Using chemistry in a number of ways, Aubin develops innovative and proprietary materials technology to solve industry problems.

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