Technical Information

Part Name CB 4000-M Standard
Height 115" / 2921 mm
Diameter 59“ / 1500 mm
Air Weight 860 lbs / 390 kg
Total Volume 1147 US Gal / 4340 L
Total Buoyancy 8819 lbs / 4000 kg
Wall Thickness ¼“ / 6 mm
Mooring & Lifting Eye Diameter 3.5" / 88.9mm

Available Options

Optional Items Reflective Banding, Radar Reflector, Lighting, Tracking & Monitoring Systems
Colours Coloured to Suit Using Fade Resistant Pigments

Product Description

Designed for industrial use in aquaculture, this modular compensation buoy is built for the harshest offshore operation applications, providing the lifting capacity to handle the heavy loads required in marine construction. The CB 4000-M provides 4,000 kg of total buoyancy from four hull sections that are secured to a hot-dipped galvanized frame. Gussets and load plates are bolted directly to the shell to allow for maximum load dispersal along the internal frame. The mooring and lifting eye assemblies are welded directly to the frame preventing the internal from being pulled through or crushing the buoy shell. The modular design enables users to easily replace damaged hull sections – no specialized tools or equipment required! Lighting, radar reflector, tracking, and monitoring systems are available upon request. A ¼” thick Polyethylene shell that will never peel or corrode and inhibits marine growth encapsulates fully fused EPS foam providing a virtually unsinkable platform that will not degrade to pollute waterways or shorelines.


High strength, one peice galvanized steel hardware:
UV15 stabilized seamless one-piece shell with uniform wall thickness:
Large diameter load plates secured to the shell:
Refined EPS foaming process with over 20 years of experience:


- Corrosion resistant / superior strength
- Robust life expectancy to 15+ years
- Superior load disbursement
- Reduced risk of sinking and environmental contamination

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