Qingdao Jerryborg Marine Machinery Co., Ltd
Fendering and Floating Solutions
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ISO17357 marine safety yokohama hydro submarine pneumatic fenders
Hydro-pneumatic Fenders are best employed for berthing Submarines. One of the most important criteria for using Hydro-pneumatic fender is High Energy absorption Capacity and low reaction force, which is vital factor for submarine applications.
The Hydro-pneumatic fender provides a better contact area vertically, which cannot be achieved through any other fender system and hence makes it, the most ideal for submarine use.
The Hydropneumatic fenders can be installed on most Quay structures and come in a range of sizes to suit the application and a range of vessels.
Advantages of JRB pneumatic fenders:
Fender Characteristics
► Cost effective replacement for deep water catamarans
► Easily moved to provide flexibility in berthing
► Easily transported to provide emergency berthing facilities
► Maintenance requirement almost non-existent
► Unaffected by extreme climatic conditions
More sizes
| SIZE * D | INITERNAL PRESSURE | BODY WEIGHT | SAFETY VALVE PRESSURE SETTING | TESTING PRESSURE | INITERNAL PRESSURE | BODY WEIGHT | SAFETY VALVE PRESSURE SETTING | TESTING PRESSURE |
| mm(D) * mm(L) | kpa | kg | kpa | kpa | kpa | kg | kpa | kpa |
| 1700 *7200 | 50 | 940 | | 200 | 80 | 1140 | 250 | |
| 2000 * 6000 | 50 | 930 | | 200 | 80 | 1100 | 250 | |
| 2500 * 5500 | 50 | 1300 | 175 | 250 | 80 | 1460 | 230 | 300 |
| 2500 * 7700 | 50 | 1854 | 175 | 250 | 80 | 2030 | 230 | 300 |
| 2500 * 9100 | 50 | 2300 | 175 | 250 | 80 | 2480 | 230 | 300 |
| 3300 * 6500 | 50 | 2200 | 175 | 250 | 80 | 2520 | 230 | 300 |
| 3300 * 8600 | 50 | 3140 | 175 | 250 | 80 | 3350 | 230 | 300 |
| 3300 * 10600 | 50 | 4200 | 175 | 250 | 80 | 4700 | 230 | 300 |
| 4500 * 9000 | 50 | 5000 | 175 | 250 | 80 | 5500 | 230 | 300 |
| 4500 * 11000 | 50 | 5600 | 175 | 250 | 80 | 6100 | 230 | 300 |
| 4500 * 12000 | 50 | 7000 | 175 | 250 | 80 | 7600 | 230 | 300 |
1 .Outer rubber layer
Hydro pneumatic fenders are covered by the outer layer made of natural rubber. This rubber compound is strong enough to protect the inner layer and synthetic-cord layer from the damage of external forces and severe weather conditions due to its high elasticity and abrasion resistance.
2. Synthetic-tire-cord layer
The Synthetic-tire-cord layer is made of synthetic-tire-cord fabrics, compared with synthetic canvas fabric and synthetic belt fabric, this reinforcement layer performs better in fatigue-resistance and pressure-holding.
3. Inner rubber layer
The inner rubber layer is designed to seal the air inside the fender.
Applications