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Subsea Syntactic Foam Buoyancy Units

Subsea Syntactic Foam Buoyancy Units

Subsea Syntactic Foam Buoyancy Units

Product catalog summary
Overview: Doowin Marine specializes in manufacturing subsea buoyancy materials and products for various marine applications, including oceanographic research, offshore oil and gas, and remote-operated vehicles (ROVs). Their products are designed for use at depths up to 7000 meters and include mooring buoys, cable floats, pipeline floaters, and ROV buoyancy modules.
Product Specifications: The buoyancy products are made from advanced materials such as polyethylene shells and polyurethane elastomers. Custom materials can be requested. The foam core used in buoys and fenders is made from cross-linked polyethylene foam, which is flexible, resilient, and chemically inert, available in densities ranging from 30 to 120 kg/m³.
Material Properties: Polyurethane elastomers are used for coating, providing high load-bearing capacity, fatigue resistance, and protection against hydrolysis and UV rays. Reinforcement layers with nylon can be added for increased strength. Steel frames are constructed to specific standards and treated with paint or galvanization.
Production Process: The manufacturing process involves creating a steel frame, forming a foam core, applying a coating, and fitting the final product. Each step is designed to ensure durability and performance in extreme marine conditions.
Certifications and Quality Assurance: Doowin Marine products comply with ISO 9001:2008 standards and are certified by third-party organizations such as SGS, BV, CCS, ABS, and LR. The company emphasizes high-quality products and expert customer support.
Applications and Expertise: With over 30 years of experience, Doowin Marine serves clients in shipbuilding, marine rescue, energy, and offshore shipping industries worldwide. Their products are used for ship launching, heavy lifting, and marine salvage.
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Catalog excerpts

Subsea Syntactic Foam Buoyancy Units-1

Doowin-Marine subsea buoyancy material products are used for oceanographic, offshore oil and gas, survey, ROV & AUV. Subsea Buoyancy We has various buoyancy material used for subsea up to 7000m. Different application buoyancy products are manufactured from advanced subsea buoyancy material. We can make subsurface mooring buoys, cable floats, pipeline floaters, ROV buoyancy module, special shape buoys, and other syntactic foam products. The surface can be made by polyethylene shell and polyurethane elastomer. Note: Other type material can be made upon request.

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Subsea Syntactic Foam Buoyancy Units-2

Doowin Marine Doowin Marine is professional manufacturer of ship launching airbags, pneumatic rubber fenders, foam filled fenders, inflatable pipe plugs, and offshore foam buoys. Doowin Marine is the leading manufacturer for ISO14409:2011 or CB/T 3795 rubber airbags/marine inflatable airbags. Marine rubber airbags, known as ship launching airbags or ship launching balloons can be used for ship launching and landing, heavy lifting, and marine salvage. Our floating fenders include pneumatic rubber fenders and foam filled fenders. Our Yokohama type pneumatic rubber fenders are produced and inspected...

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Subsea Syntactic Foam Buoyancy Units-3

MATERIAL OF BUOYS AND FENDERS We design and manufacturer the offshore buoys, floating foam fenders and other buoyancies based on our knowledge in mechanical and composites. Our buoys and fenders are designed and manufactured based on following raw materials: n Foam Core of Surface Buoys and Fenders Tensile Elongation Compressive strength Strength at break (50% compression) 250 kPa This table shows a typical specification only. Tensile Strength This table shows a typical specification only. The skin of buoys and fenders can be reinforced with reinforcement nylon layer to add further strength and...

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Subsea Syntactic Foam Buoyancy Units-4

STEEL FRAME FOAM CORE COATING PROCES

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.