Pneumatic fenders, also known as Yokohama rubber fenders, are a leading marine fender system used worldwide for collision protection. These air-filled rubber fenders act as a protective medium during ship-to-ship (STS) and ship-to-berthing (STB) operations. They are designed to absorb significant impact energy while maintaining low surface pressure on the vessel, making them an ideal choice for large tankers, LPG carriers, offshore platforms, and major ports.
Key advantages of pneumatic fenders include:
- Easy and rapid deployment
- Minimal reaction force and hull pressure
- Adjustable performance through pressure control
- Suitable for both high and low tide areas
- Maintains safe clearance between the ship and structures
- Optional chain-net systems for heavy-duty use
- Low maintenance requirements
These fenders are widely used in various applications such as:
- Tankers, gas carriers, and bulk cargo ships
- Fast ferries and aluminum-hulled vessels
- Temporary or permanent installations
- Emergency fendering scenarios
- Stand-off fenders to align ships with shore facilities
**Technical Performance Table**
| Specifications (mm) | At 60% compression, initial pressure 0.05MPa | Weight of sphere ±10% |
|---------------------|-----------------------------------------------|-----------------------|
| Diameter | Length | Energy Absorption (KJ) | Reaction Force (KN) | KG |
| 200 | 500 | | | |
| 300 | 500 | | | |
| 500 | 1000 | 6 | 64 | 25 |
| 600 | 1200 | 10 | 86 | 35 |
| 700 | 1500 | 17 | 137 | 50 |
| 1000 | 1500 | 32 | 181 | 80 |
| 1000 | 2000 | 45 | 257 | 100|
| 1200 | 2000 | 63 | 297 | 120|
| 1350 | 2500 | 100 | 426 | 170|
| 1500 | 3000 | 153 | 579 | 320|
| 1700 | 3000 | 190 | 637 | 400|
| 2000 | 3500 | 308 | 875 | 590|
| 2500 | 4000 | 663 | 1380 | 1000|
| 2500 | 5500 | 932 | 2010 | 1400|
| 3000 | 5000 | 1050 | 2030 | 1800|
| 3000 | 6000 | 1315 | 2488 | 2200|
| 3300 | 6500 | 1814 | 3015 | 2700|
| 3500 | 6000 | 2018 | 3286 | 2800|
| 3500 | 6500 | 2325 | 3656 | 3200|
| 3500 | 7000 | 2650 | 4018 | 3600|
| 3600 | 7200 | 3180 | 4821 | 4320|
Pneumatic fenders are not only efficient but also durable, ensuring long-term performance under harsh marine conditions. They are manufactured according to customer specifications and meet international standards like CCS. With their flexible design and reliable performance, they remain a preferred solution for maritime safety.
A rubber roller is a machine part consisting of an inner cylindrical shaft or tube covered with an elastic compound. The inner shaft is made of steel, aluminum alloy or other strong rigid material composite. On the other hand, the outer layer is usually made of polymers such as polyurethane, silicone, EPDM, neoprene, and natural rubber.
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