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One-piece Mooring Buoys

Subsea One-piece Mooring Buoys

In shallow or deepwater there will always be a requirement to safely moor a floating structure, it may be an oil tanker, production vessel, a semi-submersible drilling rig or deepwater platform. In most cases this mooring requirement will include chains, wire ropes and one or more subsea mooring or spring buoys.

Evergreen Subsea Mooring Buoys are available in a wide range of sizes and water depths, both in modular and non-modular form (one-piece buoy), and in custom and standard configurations.

One-piece mooring buoys are manufactured using a central tension member encapsulated within a syntactic foam core of varying densities to suit particular depth ratings. The external skin of one-piece mooring buoys include rotationally moulded polyethylene, polyurethane elastomer and glass reinforced vinyl-ester, giving a durable, abrasion resistant surface finish. The external surface is pigmented with a high visibility colour – typically yellow, white or orange – to assist with deployment and retrieval although other colours are available on request.

Specification and Buoyancy:

Buoy type

Depth rating

Dims (mm)

Over flat

nominal buoyancy

 

2200m

1500m

1000m

500m

Length

Dia

 

OPB A

2560

2920

3150

3325

2600

1810

1650

OPB B

2060

2348

2538

2678

2200

1810

1650

OPB C

1539

1760

1905

2012

2350

1450

1320

OPB D

1056

1211

1312

1388

1750

1450

1320

OPB E

778

896

974

1032

1600

1310

1100

OPB F

539

625

681

722

1400

1310

1100

OPB G

272

320

352

375

1125

1060

910

>> To get more information, please feel free to contact us.

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