Installation and Mooring Buoyancy
Our buoyancy equipment for mooring is designed to withstand rough handling during deployment and retrieval of mooring lines, ensuring durability and reliability. The modular system enables quick and easy replacement of damaged elements, promoting cost-effective buoy operations.
The modular mooring system is well-suited for mooring of floaters, offering extended lifespan options of up to 30 years for buoyancy elements. With our stock of standard products, we can provide fast delivery for any mooring project.
Introducing SmartTop steel free armatures, we have successfully addressed the challenge of uncertainty caused by corrosion in conventional steel armatures. We have developed a patented steel free solution that eliminates risks associated with corroded armatures. SmartTop also offers advantages such as lighter weight, easy reconfiguration, and reduced storage space requirements compared to standard solutions.
In addition we can supply standard installation buoyancy, as well as various specialized solutions. These include marker buoys with options for lights, radar reflectors, and AIS-functionality.
Product overview


Modular Support Buoy 234 – Heavy Duty
The MSB 234 series can also be delivered with a Heavy Duty shell as an option, resulting in mooring buoys that can survive even more harsh environments and rough handling.
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Modular Support Buoy 180
The MSB 180 series is a mid-size buoy based on the same modularity principle as MSB 234, but with smaller dimensions. Available in all depth ratings from surface to 2500 meters. For surface buoys, AIS, radar reflector and light system can be provided as an option, with a detection range of four nautical miles. The steel work has a MBL of 85t.
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Modular Support Buoy 162
The MSB 162 series offers two different sizes, with two element types. The buoy has an elegant design, and is well suited to situations that demand a smaller buoy. The steel work has a MBL of 40t.
Standard color: bright yellow, optional: orange.


Modular Support Buoy 111
The MSB111 series has two element types. The buoy has an elegant design, and suits well demands that are smaller than the largest buoys. The steel work has an MBL of 40t.
Standard color: bright yellow, optional: orange.
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Subsea Support Buoy 850
The SSB850 series is a mid-range buoy, and can be delivered with between one to five elements mounted together. The element has a cross-profile shape allowing elements to fit into each other. Standard Pad eyes have a MBL of 22t for up to four elements. The buoy with five elements has a steelwork with MBL 40t.
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Subsea Support Buoy 400
The SSB400 series consists of two module sizes and can be assembled in a wide range of combinations. The combination of two element sizes enables precise correspondence to actual buoyancy needs. The elements have pegs for fitting into each other. Standard pad eyes have a MBL of 22t.
Standard color: bright yellow, optional: orange.
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Subsea Support Buoy 200
The SSB200 series is our smallest modular buoy. It consist of two module sizes and can be assembled in a wide range of combinations.
The combination of two element sizes enables precise correspondence to actual buoyancy needs. The elements have pegs for fitting into each other. Standard pad eyes have a MBL of 22t.
Standard color: bright yellow, optional: orange.
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Cylindrical Support Buoy
The PartnerPlast CSB (Cylindrical Support Buoy) is a range of single-element buoyancy modules. The CSB range consist of three different sizes of buoys, and can be delivered with pad-eyes or chain through armature.
Standard color: bright yellow, optional: orange.
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Spherical Buoys
Our range of spherical buoys consists of a large variety of sizes and can be delivered for several depths. The buoys consist of a unit, and are adapted for use where the need for buoyancy is limited.
Padeyes can be delivered as optional equipment.
The holes are also excellent for manual handling.
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SmartTop OSS Buoys
The SmartTop OSS buoy is a long sought after addition to our product line.
With its new and improved steel free armature, corrosion has been eliminated & the buoy’s weight significantly reduced. With major focus on safety and a life expectancy of 20 years we would like to call this the mooring buoy of the future!
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Download a PDF version of our Installation and Mooring Buoyancy Catalogue here.