Pneumatic Fender Yokohama Rubber Fender with Strong Air Tightness High Pressure Resistant and Flexible Design for Marine Protection
Yokohama Rubber Fender is a pneumatic marine protection system engineered for naval ports, government-operated harbors, and defense-related maritime infrastructure where operational reliability, structural resilience, and controlled vessel impact management are required under variable and high-security operating conditions.
The system is constructed using an airtight reinforced rubber body combined with multiple layers of high-tensile synthetic tire cord fabric, forming a pressure-retaining cylindrical structure designed to absorb vessel kinetic energy through controlled air compression.
The operational principle is based on pneumatic energy conversion, where vessel impact forces are gradually transferred into internal air compression rather than direct structural contact. This mechanism enables nonlinear load response behavior, reducing peak reaction forces and distributing contact stress across a wider deformation area.
The result is reduced localized loading on both vessel hull structures and quay infrastructure, which is particularly important in naval environments where vessel integrity and operational readiness are critical parameters.
A government-operated naval base in East Asia initiated a modernization program to upgrade its primary docking and berthing infrastructure in response to increasing fleet size and diversified vessel types, including patrol vessels, frigates, and auxiliary support ships.
Following installation of Yokohama Rubber Fenders, naval operations demonstrated improved berthing consistency across different vessel classes, with reduced impact stress observed during high-speed docking maneuvers. Operational teams reported enhanced control during vessel alignment procedures and improved safety margins during adverse weather conditions.

| Place of Origin | China |
| Brand Name | Yokohama Rubber Fender |
| Material | Natural Rubber |
| Color | Black |
| Application | In ports with extreme tidal variations, Ship-to-ship lightering operations, Oil Gas (typically FSRU), Temporary berthing |
| Feature | Heat Resistance |
| Sample | Usually free |
| Production Method | Moulding |
| Temperature | -40℃~300℃ |
| Packing | Pallets |
| Lead time | 7-14 days |
| Diameter x Length [mm] | 50kPa Performance Data | 80kPa Performance Data | ||||
|---|---|---|---|---|---|---|
| Hull Pressure at GEA / kN / m² | Reaction Force / kN | Energy Absorption / kNm | Hull Pressure at GEA / kN / m² | Reaction Force / kN | Energy Absorption / kNm | |
| 1000 x 1500 | 122 | 182 | 32 | 160 | 239 | 45 |
| 1000 x 2000 | 132 | 257 | 45 | 174 | 338 | 63 |
| 1200 x 2000 | 126 | 297 | 63 | 166 | 390 | 88 |
| 1350 x 2500 | 130 | 427 | 102 | 170 | 561 | 142 |
| 1500 x 3000 | 153 | 579 | 153 | 174 | 761 | 214 |
| 1700 x 3000 | 128 | 639 | 191 | 168 | 840 | 267 |
| 2000 x 3500 | 128 | 875 | 308 | 168 | 1150 | 430 |
| 2500 x 4000 | 137 | 1381 | 663 | 180 | 1815 | 925 |
| 2500 x 5500 | 148 | 2019 | 943 | 195 | 2653 | 1317 |
| 3300 x 4500 | 130 | 1884 | 1175 | 171 | 2476 | 1640 |
| 3300 x 6500 | 146 | 3015 | 1814 | 191 | 3961 | 2532 |
| 3300 x 10600 | 158 | 5257 | 3067 | 208 | 6907 | 4281 |
| 4500 x 9000 | 146 | 5747 | 4752 | 192 | 7551 | 6633 |
* Other sizes can be produced following client's requirements.
- Controlled Reaction Force Management: Pneumatic structure maintains controlled reaction force behavior under variable loading conditions, reducing structural stress on vessels and quay infrastructure.
- High-Durability Reinforced Structural System: Multiple layers of synthetic tire cord reinforcement provide multidirectional load resistance and improved fatigue resistance.
- Environmental and Operational Hardening: Outer elastomer layer engineered for long-term exposure to marine environments including saltwater, UV radiation, and mechanical wear.
- Multi-Condition Adaptive Floating Behavior: Floating structural element adapts to tidal variation, vessel draft differences, and dynamic berthing conditions.
- Naval Docking and Berthing Infrastructure: For controlled vessel docking operations involving patrol ships, frigates, destroyers, and auxiliary vessels.
- Government Maritime Security Ports: Applied in government-operated harbors supporting coast guard, customs enforcement, and maritime patrol operations.
- Rapid Deployment Naval Facilities: Used in mobile or semi-permanent naval infrastructure where flexible and quickly deployable berthing systems are required.
- Defense-Oriented Marine Engineering Capability: Engineered marine protection systems designed for high-reliability applications in naval and government maritime infrastructure.
- Precision Reinforced Manufacturing System: Production processes emphasize controlled reinforcement placement, material uniformity, and dimensional accuracy.
- Application-Specific Engineering Configuration Support: Engineering teams evaluate vessel profiles, berthing dynamics, and operational requirements for optimal fender configurations.
- Global Infrastructure Supply and Technical Support: Coordinated logistics, documentation, and technical assistance for naval and government maritime projects.
- Can Yokohama Rubber Fenders be used in naval base applications?
Yes, pneumatic fenders are widely applied in naval infrastructure due to their controlled reaction force and adaptability to multiple vessel types. - Are these fenders suitable for rapid docking operations?
Yes, the pneumatic compression system provides controlled energy absorption during fast berthing maneuvers, improving safety and stability. - How do they perform under variable vessel classes?
The floating design and progressive compression behavior allow stable performance across different vessel sizes and displacement conditions. - What environmental conditions can they withstand?
They are designed for continuous exposure to marine environments including saltwater, UV radiation, and high humidity. - Do they require frequent maintenance in naval operations?
Maintenance requirements are relatively low, typically involving periodic pressure checks and surface inspections depending on operational frequency.


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