Buoyancy & Ballast

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Decades of Expertise

Unique Group is among the world’s most prominent integrated subsea and offshore solution providers. Its Buoyancy & Ballast division is a trusted partner to the offshore oil and gas, salvage, shipping and defense sectors, offering a vast range of ‘off-the-shelf’ products to address the most demanding of buoyancy and load testing challenges. We also provide bespoke products for buoyancy and ballast to provide our clients with customised solutions to meet their operational and financial requirements.

Safe, Profitable Outcomes

Buoyancy & Ballast’s Seaflex brand has been helping contractors work safer, more efficiently and more profitably since 1987.

We achieve these outcomes for our customers via the design, manufacture, supply and support of world-leading ranges of underwater air lift bags, inflatable pipeline modules and cable laying buoyancy systems and water load test weights; all of which are available for hire or purchase from multiple worldwide locations.

buoys on a crane

Underpinning these outcomes is a truly unique combination of factors:

  • Risk reduction – Products designed, manufactured, tested and certified in accordance with IMCA and LEEA guidelines
  • Design engineering support - Advice and assistance with product selection, rigging and methods of use
  • All products manufactured in the UK - From traceable, certified components of 100% European origin
  • Product immediately available, ex-stock for sale or hire, from multiple worldwide locations
  • The easiest and most cost-effective Buoyancy and Ballast worldwide to ship and to stow
  • Weight to capacity ratio of 1% - Quick and easy to mob and de-mob, using minimal specialist handling equipment
  • BOSIET Seaflex Technicians available - To provide onsite training and support worldwide

Helping contractors work safer, more efficiently and more profitably since 1987