QINGDAO DOOWIN MARINE ENGINEERING CO., LTD.
                                                                                                           
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Since 2011
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Lightweight Subsea Cable Floats Low Water Absorption For Marine Applications

Price Negotiable
Price: USD$100~3500
MOQ: 1pc
Delivery Time: 2~3 weeks
Brand: DOOWIN MARINE
Product Description
Lightweight Cable Floats Marine Buoy Subsea Buoyancy Modules For Underwater Pipeline Installation
Submarine cable floats are devices installed above submarine cables to keep them suspended at a specific depth, preventing damage from direct contact with the seabed.

Materials and Design

● Materials: Submarine cable floats are typically made of high-strength, corrosion-resistant materials, such as micro-bead-based solid buoyancy materials. These materials offer lightweight, high buoyancy, excellent chemical stability, and mechanical strength, meeting the requirements for submarine cable floats in various marine environments.

● Design: The design of submarine cable floats incorporates advanced technologies from multiple fields, including materials science, fluid mechanics, and marine engineering. The shape of the float is often carefully calculated to optimize its stability and resistance to currents. Furthermore, submarine cable floats are equipped with various fixing and adjustment devices, such as integrated elastic clamps, to ensure they securely hold the cable and adapt to varying seabed topography and environmental conditions.

 

Submarine cable floats are crucial devices for protecting submarine cables from external forces and seawater erosion. Their materials, design, and application all demonstrate a high degree of professionalism and specificity. They play an indispensable role in the field of marine engineering.

Lightweight cable floats marine buoy subsea buoyancy modules
Product Attributes
Attribute Value
Product name Lightweight Cable Floats Marine Buoy Subsea Buoyancy Modules For Underwater Pipeline Installation
Advantages Low density and high pressure resistance
Design Using Life 20+ year lifespan with minimal annual buoyancy loss (<0.1%)
Size As per customer request
Inner material Syntactic foam, Chemical Foam
Skin Elester polyurethane Coating
Color Orange, Yellow, or customized
Warranty 2 years
Float shape Can be customized
 
Our Buoyancy Products
We provide a comprehensive range of resilient foam buoys products with advanced solid buoyancy material production and polymer engineering. Our offshore buoyancy buoys generally consist of a closed-cell foam core encapsulated with tough, resistant polyurethane outer skin, combined with high-quality steelwork.
  • Subsurface mooring buoys
  • Cable floats
  • Pipeline floaters
  • ROV buoyancy modules
  • Special shape buoys
  • Other syntactic foam products
DOOWIN subsea buoyancy float product example
DOOWIN subsea buoyancy float product example
DOOWIN subsea buoyancy float in water application
DOOWIN subsea buoyancy float in water application
Subsea Buoyancy Solution
The subsea buoyancy material is mainly used underwater. Based on its characteristics of low density and high pressure resistance, it mainly provides the required buoyancy for underwater operation equipment. Spray coating or protective layer treatment can be applied to the surface as required.
Often manufactured and processed into floats, buoys and other counterweight products. It can also be directly machined into product parts. It can not only meet the mechanical requirements of the product structure, but also greatly reduce the product weight and other functions.
The application of this material realizes the functions that are difficult for metal structural parts to realize. At present, it has been used in underwater deep submersibles, underwater robots, etc., and can be used safely at depths of several thousand meters underwater.
Syntactic Foam CNC Production
Syntactic Foam CNC Production
Syntactic Foam production process
Subsea Buoyancy Syntactic Foam
Subsea solid buoyancy material (syntactic foam) is a lightweight composite formed by embedding hollow microspheres in polymer matrices. These low-density (0.35-0.7g/cm³), high-strength (1-100MPa) materials feature minimal water absorption (<2%) and corrosion resistance, serving as essential counterweights for underwater equipment.
Their applications enable deeper dives, increased payload capacity, and stable operation in deep-sea environments, making them crucial for 21st-century subsea technology.
Chemical Foaming Solid Buoyancy Material
The chemical foaming method buoyancy material is a kind of polyurethane-epoxy resin rigid foam composite material made by the chemical foaming method.
Chemical Foaming Buoyancy Specifications
Model Density (g/cm³) Compression Strength (MPA) Water Absorption (24H) Submersible Depth (m)
CSBM-08 0.08 / ≤2% 50
CSBM-15 0.15 2.6 ≤2% 100
CSBM-20 0.20 5.19 ≤2% 200
Syntactic Foam Specifications
Syntactic foams are composite materials synthesized by filling a metal, polymer, or ceramic matrix with hollow spheres called micro balloons or cenospheres or non-hollow spheres.
Model Density (g/cm³) Compression Strength (MPA) Water Absorption (24H) Submersible Depth (m)
SBM-35 0.35±0.02 ≥8 ≤2% 200
SBM-37H 0.37±0.02 ≥12 ≤1% 500
SBM-38 0.38±0.02 ≥10 ≤1% 300
SBM-40 0.40±0.02 ≥12 ≤1% 500
SBM-40H 0.40±0.02 ≥18 ≤1% 1000
SBM-45 0.45±0.02 ≥20 ≤1% 1000
SBM-48 0.48±0.02 ≥25 ≤1% 2000
SBM-51 0.51±0.02 ≥35 ≤1% 3000
SBM-54 0.54±0.02 ≥45 ≤1% 4500
SBM-57H 0.57±0.02 ≥55 ≤1% 6000
SBM-63 0.63±0.02 ≥55 ≤1% 6000
SBM-70 <0.7 ≥90 ≤1% 11000
Subsea Buoyancy Modules
DOOWIN subsea buoyancy module in application
DOOWIN subsea buoyancy module in application
DOOWIN subsea buoyancy module close-upWe provide the highest quality flotation for offshore, research, and commercial applications. Made with syntactic foam, these floats are the most reliable and cost-effective choice for ROV, AUV, and tow body flotation. Whether you are outfitting a new vehicle or tooling package, or require customized add-on buoyancy, you will get a superior product and quick turnaround.

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company QINGDAO DOOWIN MARINE ENGINEERING CO., LTD.
Location Xiazhuang Industry Park, Chengyang, Qingdao, China
Contact Person Xiang Sun

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