WM-PB2.5 Polyethylene Buoy is one of Wealth Marine’s latest design and manufacture. This buoy is made from rotationally moulded, UV-stabilised polyethylene material, with its inner body filled with polystyrene foam and being reinforced with a steel structure.

The required colour pigment is injected into the polyethylene material before the moulding process. This prolongs the surface colour of the buoy without the need for painting. In this modern ‘Aids-to-Navigation’ world, Polyethylene Buoys have the great potential of replacing the conventional steel navigational buoys.

This is because as compared to steel buoys, Polyethylene Buoys are light-weight (easier for installation) and possess anti-fouling properties. Besides, due to its elastic nature, it is absorbent to impact forces and can withstand relatively larger collisions. As such, these buoys are maintenance-free and have longer lifespan. Therefore, Polyethylene Buoy is indeed an ideal ‘floating aids to navigation’.

Buoy Specifications

Construction : Rotationally Moulded; medium density, UV-stabilised polyethylene (thickness of 12mm)
Foam-fill material : 16 kg/m3 expanded polystyrene foam
Air weight : 2400kg approx
Diameter : 2500mm
Focal Plane Height : 4800mm (extended)
Draft : 1400mm
Freeboard : 700 mm
Buoyancy : ~ 4730kg (for diameter 2.5m)
Radar Reflector : 45m2 Cross Section, 360° Coverage
Visual Detection Area : Can-shaped daymarks – 5.5m2
Cone-shaped daymarks – 4.5m2
Surface Colour : Red/Green (As required)
Surface texture : Anti-slip surface for increased safety
(during maintenance/installation works)
Lifting / Mooring eyes : 2 or 4 each
Maximum Mooring Load : 1580 kg
Counterweight (Ballast) : Cast Steel / Iron / Concrete (as required based on site conditions)
Skirt Keel / Tall Tube available
Maximum current speed : 4.05 m/s (~8 knots)
Mounting hardware : stainless steel bolts & nuts
Battery Compartment : Able to accommodate more than 2 batteries of each dimension 340x175x250 mm

Polyethylene Repair Kit:

WM-PB2.5 POLYETHYLENE BUOY kit- Wealth Marine
WM-PB2.5 POLYETHYLENE BUOY Kit 2 -Wealth Marine

A set of Polyethylene Repair Kit is available with heat gun, welding rods and other accessories for convenience of patching and repair on site.

WM-PB2.5 diameter 2.5m Polyethylene Buoy-Wealth Marine
Above: WM-PB2.5 diameter 2.5m Polyethylene Buoy deployed at Copacabana (Rio de Janeiro, Brazil)
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