Seaflex Inflatable Buoys, Low Pressure Fenders, Drogue Anchors, Lifeboat Testing Systems and Mine Recovery Systems
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Seaflex Inflatable Buoys, Low Pressure Fenders, Drogue Anchors and other products

The technology developed for the manufacture of flexible buoyancy has lead the company to produce many other flexible load bearing structures, some of which are detailed below.

SeaMark inflatable buoys

Seaflex SeaMarks:
Highly visible and able to carry a sponsor’s message, SeaMark inflatable buoys are bought and hired by leading yacht clubs and event organisers for major occasions. Manufactured from top grade materials under BS EN ISO 9001:2000 procedures they provide organisers and sponsors with a reliable and versatile product when hosting important events.


Low pressure fenders

Seaflex Low Pressure Fenders:
All Seaflex fenders are constructed from first grade polyurethane coated aramid fabrics. The coating provides extremely high abrasion and UV resistance, coupled with excellent air retention and mechanical weld strength. They are an elegant solution to the storage problem normally associated with large yacht fenders.


Drogue Anchors

Seaflex Lifeboat Testing Systems:
Following the successful introduction of the Seaflex WaterLoad© range of test weights with capacities up to 35 tons, the company has now responded to the demand for a versatile and integrated multi-unit system for testing lighter loads such as lifeboats, elevators and other structures with difficult access. The system comprises of a series of 375kg water bags coupled to a remote filling and discharge manifold which allows the required load to be applied in spaces where traditional solid weights are difficult to place.


Lifeboat Testing Systems

Seaflex Drogue Anchors:
Developed in response to a requirement by the Royal National Lifeboat Institution, two sizes of drogue were constructed by Seaflex and tested over a period of two years before adoption by the Institution. The Seaward Drogue is used to help prevent the Lifeboats broaching in heavy following seas and the smaller Seaward Yacht Drogue is designed to be streamed from the casualty under tow and prevent her over-running the towing lifeboat.


Fully Enclosed Single Attachment (FESA) variable buoyancy system

Seaflex FESA Bags:
Seaflex designed, developed and manufactured a Fully Enclosed Single Attachment (FESA) variable buoyancy system in response to a requirement by the ETPM DeepSea Plough Project (see 'Overview' below). Seaflex FESA bags provided over 60t of underwater buoyancy while increasing the airweight by only 500kg. This allowed the owner’s vessel with limited heave compensation to deploy the plough in it’s heaviest form without needing to charter in a bigger vessel. The system’s success lead to it’s use on several MPP projects since.


Mine Recovery Bags

Seaflex Mine Recovery Systems:
The Seaflex Mine Recovery Bag (MRB) is a simple and innovative alternative to what has become an extremely expensive and over-complicated solution to a simple problem. By using an enclosed unit, which can be filled from a safe distance, capable of free ascent and being towed for long distances, the mine recovery problem has been reduced to a simple and inexpensive operation that can be performed by any competent ordnance disposal team without special equipment.



Experience gained in designing, manufacturing, hiring and maintaining the world’s largest stock of certified flexible buoyancy is incorporated into every innovative ‘special’ Seaflex produce. It is this experience coupled with our innovative approach and no compromise attitude to workmanship that has earned our enviable reputation. Please don’t hesitate to contact us if you think we could be of help.

Use the links below for more information on Seaflex Special Projects, or use your browsers 'back' button to return to the product selection screen.


Seaflex Inflatable Buoys, Low Pressure Fenders, Drogue Anchors, Lifeboat Testing Systems and Mine Recovery bag information sheets

'Specials' Information Sheets to Download

Seaflex Inflatable Buoys, Low Pressure Fenders, Drogue Anchors, Lifeboat Testing Systems and Mine Recovery bag projects

'Specials' Project Overview

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