Yokohama Rubber Fender is a pneumatic marine protection system engineered for ship-to-ship (STS) transfer operations, offshore loading terminals, and high-mobility maritime logistics environments where vessels operate in close proximity under dynamic load interaction conditions.
The system is constructed from a reinforced airtight elastomer shell combined with multiple layers of high-strength synthetic tire cord fabric, forming a pressure-retaining cylindrical structure capable of converting kinetic berthing energy into controlled internal air compression.
The fundamental engineering principle is based on pneumatic energy absorption, where external impact forces are progressively transferred into internal pressure increase within the sealed air chamber. This results in a nonlinear load response curve, allowing gradual energy dissipation while limiting peak reaction force transmission.
This behavior is critical in STS operations where vessel-to-vessel contact conditions require strict control of hull pressure and relative motion stability.
An offshore crude oil transfer operation located in the West African maritime zone required a high-reliability fender system for STS loading between Aframax-class tankers operating in open sea conditions.
Following implementation of the Yokohama Rubber Fender system, operational monitoring indicated improved vessel alignment stability and reduced peak contact pressure during wave-induced oscillation phases. The system demonstrated consistent performance across multiple transfer cycles, with no significant degradation in pressure retention or structural behavior under repeated offshore exposure.
Long-term operational data confirmed improved safety margins during STS operations and reduced mechanical stress on vessel hull structures.
| 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.