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PU Submarine Cable Protection
December 25, 2025
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Brief: Need quick answers about practical use? This video highlights the essentials. Watch as we demonstrate the installation and operation of our Polyurethane PU Submarine Cable Protection Bend Restrictor, showcasing how it prevents overbending in challenging subsea environments. You'll see its modular design, snap ring connection system, and learn how it ensures long-term cable integrity for offshore wind power applications.
Related Product Features:
  • Engineered from premium polyurethane for exceptional resistance to water, oil, grease, and corrosion.
  • Features a snap ring and groove connection system for secure semi-annular male and female end joining.
  • Provides overbending protection with a bending radius compliant with submarine cable requirements.
  • Offers high load bearing capacity, including 8t lateral pressure resistance.
  • Designed for a long service life of 50+ years in demanding marine environments.
  • Modular bite structure allows for adjustable length to suit various project needs.
  • Includes auxiliary pipeline and riser column channels for integrated installation.
  • Lightweight design with material density ≤1.2×10³kg/m³, adding no significant underwater weight.
FAQs:
  • What is the primary application of this bend restrictor?
    It is designed for protecting submarine cables at the lower ports of offshore wind power I-pipe and J-tube installations, and for installation on buoyancy modules outside marine riser columns to prevent overbending.
  • What material is used and what are its key characteristics?
    It is made from premium polyurethane, offering excellent elasticity, corrosion resistance, resistance to hydrolysis, insulating properties, and a tensile strength of ≥45MPa, ensuring durability for over 50 years in submarine environments.
  • How is the bend restrictor installed and what are its design features?
    It features a modular design with semi-annular female and male ends connected via a snap ring and groove system, along with auxiliary pipeline and riser column channels, allowing for adjustable length and easier handling in basic units of 1.0m to 2.0m.
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