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Home > Hot Products > OEM High-Performance Bend Restrictor from China Suppliers and Factory - Modular Design & Weather Resistance Supplier, Factories
OEM High-Performance Bend Restrictor from China Suppliers and Factory - Modular Design & Weather Resistance Supplier, Factories
OEM High-Performance Bend Restrictor from China Suppliers and Factory - Modular Design & Weather Resistance Supplier, Factories
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OEM High-Performance Bend Restrictor from China Suppliers and Factory - Modular Design & Weather Resistance Supplier, Factories
OEM High-Performance Bend Restrictor from China Suppliers and Factory - Modular Design & Weather Resistance Supplier, Factories

OEM High-Performance Bend Restrictor from China Suppliers and Factory - Modular Design & Weather Resistance Supplier, Factories

Discover the innovative Clamshell Split Structure, crafted from high-performance polyurethane, designed by top China suppliers. This product offers precise and reliable bend limiting protection, showcasing a highly adaptable modular design that meets diverse needs, Our super-elastic MDI polyurethane system features adjustable stiffness and is resistant to various environmental conditions. Rigorous material tests confirm compliance with API standards, and our products hold certifications from reputable classification societies such as BV and DNV, ensuring top-notch quality from our factory, Experience exceptional weather resistance, even in extreme environments, while benefiting from a lightweight construction that maintains a high load-bearing capacity. This integrated multi-functional protection solution is perfect for customers seeking reliability and durability in their products
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Product Description

✦ Features
  • ● Complies to ISO 21809-3
  • ● Excellent adhesion to PP, PE, FBE, concrete, glass & steel
  • ● Resistant to salts, acids & alkalis
  • ● Protection of voids and narrow spaces
  • ● Non-toxic to the environment, safe to handle
⚙ Core Technical Parameters
Item Standard Reference Customizable Range
Suitable cable/pipe OD 50mm ~ 500mm Fully customizable per cable/pipe size
Locked bend radius ≥ 20 × OD Customizable to match minimum safe bend radius
Design life 25 years 10–30 years
Working water depth 0–1000m Ultra-deepwater models available
Main material High-performance polyurethane (PU) Reinforced PU, special weather-resistant materials
Fastener material Stainless Steel 2507 Stainless steel, titanium alloy, etc.
Operating temperature -30℃ ~ 80℃ Extreme high/low temperature models available
🔬 Material Test Standards
Abrasion ISO 7784-2, ASTM D4060, BS 903-A9, DIN 53516
Compression ISO 604, ASTM D695, ISO 7743
Density ASTM D792, ISO 1183
Hardness ISO 868, ASTM D2240, BS 2782 Part 3 Method 365B
Heat Deflect. ISO 75-1, ISO 75-2, ASTM D648
Impact ISO 179-1, ISO 179-2, ISO 180, ASTM D256
Shear ISO 1827, ASTM D732
Tensile ISO 527-1, ISO 527-2C, ASTM D638, ISO 37
Creep ASTM D2990, ISO 899-1
🌊 Application Scenarios
⚡ Offshore Wind Power
  • Cable protection at J-tube/I-tube openings of offshore wind turbine foundations
  • Inlet/outlet interface protection for offshore substations
  • Protection at connections between dynamic cables and platforms of floating wind turbines
  • Protection at transition sections between cable landing areas and seabed
  • Standard protective component for offshore wind power cable systems in China
🛢 Offshore Oil & Gas
  • Protection at connections between flexible risers and rigid structures (subsea wellheads, platform manifolds)
  • Subsea umbilical termination protection
  • Flexible hose interface protection for oil pipelines
  • Suitable for high-pressure, high-corrosion, high-dynamic-load conditions in deepwater oil & gas development
Frequently Asked Questions
Q What is the typical service life of this bend restrictor?
The standard design life is 25 years, but it can be customized to range from 10 to 30 years depending on the specific application environment and requirements.
Q What cable or pipe diameters can this product accommodate?
The standard range is 50mm to 500mm outer diameter, but the product is fully customizable to match any specific cable or pipe size required for your project.
Q Can this bend restrictor be used in deepwater applications?
Yes, the standard working water depth is 0–1000m, and ultra-deepwater models are available for greater depths upon request.
Q What materials are used in the construction?
The main body is made of high-performance polyurethane (PU), with fasteners typically made from Stainless Steel 2507. Alternative materials such as reinforced PU, titanium alloy, and special weather-resistant materials are available for customization.
Q Is this product compliant with international standards?
Yes, the product complies with ISO 21809-3 and has been tested according to multiple international standards including ISO, ASTM, BS, and DIN specifications for material properties.
Q What temperature range can this bend restrictor withstand?
The standard operating temperature range is -30℃ to 80℃. For extreme high or low temperature environments, specialized models are available to meet your specific needs.

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