3300x6500mm Yokohama Type Ship Floating Pneumatic Rubber Marine Fender
1. General Introduction
The ISO17357:2014 compliant floating pneumatic rubber fender is a critical safety device used in marine environments worldwide. It is constructed using synthetic-cord-reinforced rubber sheets filled with compressed air, allowing it to float on the water surface and act as a shock absorber during ship-to-ship transfers, as well as ship-to-dock berthing and mooring operations.
Evergreen Maritime’s floating pneumatic rubber fenders fully meet all requirements of the ISO17357:2002 standard. Our products are certified by CCS, DNV, GL, LR, and BV, ensuring high quality and reliability for global marine applications.
2. Construction Features
The basic structure of the floating pneumatic rubber fender consists of an outer rubber layer, synthetic tire cord layers, and an inner layer. These components are vulcanized together and then filled with compressed air to allow the fender to float on the sea surface. For visual reference, please see the image below.
3. Specification and Performance
| Diameter x Length (mm) | Initial Internal Pressure (kPa) | Energy (kJ) | Reaction (kN) | Hull Pressure (kPa) |
| 500x1000 | 50 | 6 | 64 | 132 |
| 600x1000 | 50 | 8 | 74 | 126 |
| 700x1500 | 50 | 17 | 137 | 135 |
| 1000x1500 | 50 | 32 | 182 | 122 |
| 1000x2000 | 50 | 45 | 257 | 132 |
| 1200x2000 | 50 | 63 | 297 | 126 |
| 1350x2500 | 50 | 102 | 427 | 130 |
| 1500x3000 | 50 | 153 | 579 | 132 |
| 1700x3000 | 50 | 191 | 639 | 128 |
| 2000x3500 | 50 | 308 | 875 | 128 |
| 2500x4000 | 50 | 663 | 1381 | 137 |
| 2500x5500 | 50 | 943 | 2019 | 148 |
| 3300x4500 | 50 | 1175 | 1884 | 130 |
| 3300x6500 | 50 | 1814 | 3015 | 146 |
| 4500x9000 | 50 | 4752 | 5747 | 146 |
Yokohama Pneumatic Rubber Fenders are available in sizes ranging from 500x1000mm to 3300x6500mm, including both standard and custom specifications. These fenders are ideal for various maritime applications due to their high energy absorption capacity and durability.
   
4. Pressure Requirements of Yokohama Type Pneumatic Rubber Fenders
Evergreen-Maritime produces marine rubber fenders with initial pressures of either 50 kPa (Pneumatic 50) or 80 kPa (Pneumatic 80). The internal pressure, endurance pressure, safety valve setting pressure, and hydraulic test pressure all comply with the ISO17357:2002 standards. Fenders with diameters of 2500mm or larger are equipped with safety valves to release excess internal pressure in case of accidental over-compression.
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Ada Zheng
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