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PU Submarine Cable Protection
December 24, 2025
Category Connection: PU Submarine Cable Protection
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Tags:
#Undersea Cable Protection #Subsea Cable Protection #Underwater Cable Protection
Brief: We tested it—see the highlights and what to expect in real operation. This video demonstrates the installation and performance of our customizable polyurethane submarine cable bend restrictor. You'll see how its modular design and snap-ring connection system provide essential overbending protection for cables at offshore wind power installations, ensuring long-term integrity in demanding marine environments.
Related Product Features:
  • Customizable polyurethane construction to suit various cable sizes and project-specific design forces and life requirements.
  • Semi-annular female and male ends with snap ring/groove connection for secure and efficient installation.
  • Features auxiliary pipeline and riser column channels for integrated offshore wind power I-pipe and J-tube applications.
  • Modular bite structure with Harvard design and adjustable length for flexible configuration and easier handling.
  • Premium polyurethane material offers ≥45MPa tensile strength and density ≤1.2×10³kg/m³ with no added underwater weight.
  • Provides 8t lateral pressure capacity and bending radius compliance with submarine cable protection standards.
  • Excellent resistance to water, oil, grease, corrosion, hydrolysis, and electrical insulation for durable performance.
  • Designed for 50+ years of service life in submarine environments, protecting cables from anchor shock and abrasion.
FAQs:
  • What are the key advantages of using polyurethane for submarine cable bend restrictors?
    Polyurethane offers excellent elasticity, corrosion resistance, and superior resistance to hydrolysis and insulating properties. It protects cables from anchor shocks without damaging the cable cover, provides no abrasion under marine conditions, and ensures durability for over 50 years in submarine environments.
  • How is the bend restrictor installed on marine riser columns?
    The restrictor features semi-annular female and male ends with a snap ring/groove connection system, along with auxiliary pipeline and riser column channels. This design allows for secure installation on buoyancy modules outside marine riser columns, ensuring long-term cable integrity.
  • Can the bend restrictor be customized for different project requirements?
    Yes, our solution is fully customizable in terms of color, design forces, design life, and cable size. The modular bite structure with adjustable length and Harvard module design allows it to suit various project needs, with basic units ranging from 1.0m to 2.0m for easier handling.
  • What is the delivery time and payment terms for these bend restrictors?
    Delivery is typically 10 working days for 200 pieces, with payment options including T/T, D/P, and L/C to accommodate international B2B trade requirements.
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