Yokohama Pneumatic Fenders are engineered marine impact absorption systems designed for mixed-traffic multipurpose ports, bulk cargo terminals, and industrial maritime logistics hubs where vessels of different displacement classes operate under variable berthing conditions and non-uniform operational schedules.
The system consists of a cylindrical elastomeric pressure body reinforced with multiple layers of high-tensile synthetic tire-cord fabric, forming a sealed pneumatic chamber that utilizes compressed air as the primary energy dissipation medium during vessel contact events.
The operational mechanism is based on controlled pneumatic compression behavior, where internal air pressure increases progressively in response to external kinetic energy generated during vessel berthing. This pressure-controlled deformation converts impact energy into distributed internal resistance, reducing peak reaction forces and stabilizing load transfer between vessel hull structures and quay infrastructure.
A major multipurpose port facility in Durban required a comprehensive upgrade of its berthing protection system due to increasing vessel diversity and rising cargo throughput across container, bulk, and general cargo operations.
Hongruntong Marine supplied a modular Yokohama Pneumatic Fender system designed for multipurpose port applications with mixed vessel traffic. The system was installed along primary and secondary berthing zones to provide uniform energy absorption capability across different operational segments.
Operational evaluation confirmed improved berth utilization efficiency, reduced maintenance frequency for quay structures, and enhanced operational flexibility for port scheduling.
| Place of Origin | China |
| Brand Name | Yokohama pneumatic fenders |
| 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.