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SQUARE SD FENDERS

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LION SQUARE SD FENDERS (LSD)

Features

  • Wide selection in various sizes and shapes
  • Easy for installation and replacement
  • Simple square design
  • Rigid and strong

Applications

  • Jetty
  • Offshore platforms
  • General Fendering

Lion Rubber provides a wide range of standard size Square Fenders used for various applications. These square type fenders display a higher energy absorption capacity, thus minimizing deface contact. Lion Square type fenders are supplied with D hollow, Rounded hollow & Solid.

Type A B C D øE øF U V Flat bar Bolt size
LSD 100 100 100 50 45 30 15 90-130 200-300 40 x 5 M12
LSD 150 150 150 70 65 40 20 110-150 250-300 50 x 8 M16
LSD 165 125 165 80 60 40 20 110-150 250-300 60 x 8 M16
LSD 200 200 200 100 100 50 25 130-180 300-400 70 x 10 M20
LSD 250 250 250 125 125 60 30 140-200 350-450 90 x 12 M24
LSD 300 300 300 125 135 60 30 140-200 350-450 100 x 12 M24
LSD 400 400 400 200 200 75 35 140-200 350-450 150 x 15 M30
LSD 500 500 500 250 250 90 45 160-230 400-500 180 x 20 M36
  • All above dimensions are in mm. Above data is for reference purpose only.
  • Any customized Project & Product requirements can be catered by Lion Rubber’s Design & Development Team.
  • All grade Fender performance are available on request.

Tough, Reliable Berthing with Custom SD Fender Systems

SD fenders are reliable for absorbing high-impact energy with minimal reaction force on docking structures, making them a preferred choice for heavy-duty berthing at ports, harbors, and offshore terminals. Their simple cylindrical design ensures consistent performance across varying tidal and approach conditions.

Manufactured using high-quality rubber compounds, these fenders deliver long-term durability with minimal maintenance, even in corrosive marine settings. The structure offers a balanced combination of flexibility and load resistance, reducing the strain on both vessels and docks.

Lion Rubber offers customized SD fender solutions to match site-specific requirements, including fender height, energy grade, and frontal panel fittings. Whether for new marine infrastructure or upgrades, our SD fenders ensure safe, efficient mooring for large commercial vessels.

What Is an SD Fender?

An SD fender (Super Cell Fender) is a solid rubber fender with a circular, hollow body and a broad base for stable mounting. It’s designed to manage high-energy berthing forces by compressing axially upon contact with a vessel, absorbing the impact, and reducing stress on the dock structure.
The flared shape ensures even load distribution, while its long compression distance offers high energy absorption with relatively low reaction force, making it a reliable solution for docks receiving large ships.

Compared to cylindrical fenders, SD fenders provide better energy efficiency and performance under angled berthing. While cone fenders may offer superior performance under extreme berthing conditions, SD fenders remain a durable, cost-effective choice for most general port, terminal, and offshore applications.

Technical Features of Lion Rubber Sqaure SD Fenders

Lion Rubber’s square SD fenders are engineered for high-impact marine environments while offering consistent energy absorption and structural safety. Their technical features make them a reliable choice for busy ports, harbors, and offshore berths.

  • High Energy Absorption

    The vast body and circular geometry allow SD fenders to absorb large berthing forces efficiently. This helps minimize stress on quay structures while keeping reaction forces low, ideal for safeguarding vessels and docks.

  • Durable Rubber Composition

    Each SD fender is made from high-quality, marine-grade rubber compounds engineered for long service life. The rubber resists hardening, cracking, or fatigue even after repeated compression cycles.

  • Flexible Installation Configurations

    Designed for horizontal, vertical, or inclined mounting, SD fenders adapt easily to new builds or retrofit applications, including sheet pile walls and concrete docks.

  • Resistance to Weather and UV Exposure

    The material composition ensures reliable performance under constant exposure to sunlight, saltwater, and changing temperatures, making them suitable for long-term outdoor use in harsh maritime settings.

  • These features combine to deliver a low-maintenance, high-efficiency fendering solution trusted across global marine infrastructure projects.

Applications of SD Fenders

Lion Rubber’s Square SD fenders are suited for a wide range of berthing operations, offering reliable protection for both lighter vessels and large ships under high-impact conditions.

  • Commercial Ports & Container Terminals

    SD fenders help manage frequent berthing cycles by safely absorbing impact from cargo ships, minimizing damage to both the dock and vessel.

  • RoRo and Ferry Berths

    Their ability to handle repeated berthing makes them ideal for roll-on/roll-off terminals and high-traffic passenger docks.

  • Oil and Gas Jetty Installations

    In offshore and petrochemical terminals, SD fenders provide critical energy absorption during tanker berthing, ensuring safety in high-load environments.

  • Shipyards and Dry Docks

    Used during vessel construction, maintenance, or retrofitting, these fenders reduce structural stress and improve handling flexibility.

  • From coastal marinas to offshore platforms, SD fenders consistently deliver protection, making them a trusted solution for ship operators, engineers, and dock facility managers worldwide. Their adaptability to different mounting positions and vessel sizes makes them suitable for both new installations and retrofits across various marine infrastructure projects.

Why Choose Lion Rubber for SD Fenders

Lion Rubber SD fenders are built for ports that demand reliability and high-performance mooring protection—no compromises.

  • Formulated for Strength

    Each SD fender uses high-quality rubber compounds tested for energy absorption, structural integrity, and long-term resilience in tough marine environments.

  • Engineered to Fit Your Dock

    From vessel size to berthing angles, every fender is designed using precise load calculations. Horizontal, vertical, or angled—our configurations match your site’s exact needs.

  • Ready for All Conditions

    Whether facing UV rays, salt spray, tidal shifts, or extreme weather, these fenders maintain their performance and shape across all seasons.

  • We Deliver, Globally

    Our integrated logistics network ensures smooth delivery and installation, whether you're upgrading an existing quay or setting up a new berth halfway across the world.

  • Proven Over Decades

    With 30+ years of experience, Lion Rubber is trusted across marine sectors for fenders that perform, last, and exceed compliance standards.

  • When safety and impact control are critical, Lion Rubber’s Square SD fenders provide proven performance.

Lion Rubber brings 3 decades of expertise in developing anchoring systems designed for demanding civil, marine, and industrial projects. Our resin anchor bolts are known for their performance, reliability, and field-tested endurance.

Get Custom SD Fenders from Lion Rubber

Need a reliable SD fender solution for your port or terminal? Lion Rubber delivers custom-designed fenders built for high performance, low maintenance, and long service life in marine conditions. Whether for a new quay or retrofit project, our engineering team provides sizing support, fast turnaround, and global delivery.

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Frequently Asked Questions

Fender selection depends on vessel size, berthing velocity, tidal range, and dock structure. Load calculations are critical to ensure the SD fender delivers the proper energy absorption without overstressing the quay wall.
Yes, SD fenders can be mounted horizontally or vertically to match tidal movement and vessel impact points. Vertical mounting helps protect a wider area during fluctuating water levels.
They are. Lion Rubber offers flexible mounting and size configurations, making SD fender systems a practical upgrade for aging port infrastructure without extensive civil modifications.
Installation surface geometry affects fender performance. For non-standard surfaces, custom backing plates or angled mounts may be recommended to ensure complete energy transfer and pad alignment.
Yes, each SD fender can be supplied with performance test reports, compliance certifications, and material traceability for marine, port authority, or consultant approvals.

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