Marine Fender ISO 9001 Yokohama Fenders
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Outer Rubber
The outer rubber layer covering the exterior of the fender protects the cord layers and inner rubber from abrasion and other external forces. This rubber compound has sufficient tensile and tear strength to withstand various weather conditions and heavy - duty use. The standard color is black, and other colors can be provided upon request.
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Inner Rubber
The inner rubber, a rubber membrane liner, seals the pressurized air inside the fenders.
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Synthetic Tire Cord Layers for Reinforcement
The reinforcement layers, made of synthetic tire cords commonly used in tires, are arranged at optimal angles. They can withstand internal pressure, distribute stress evenly, and provide strong and efficient reinforcement.
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Beading Ring
A steel ring is placed at one or both ends of the fender to secure the ends of the cord layers.
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Flange
A steel flange is installed on the fender, which can be fitted with an air valve or a safety valve.
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Safety Valve
Fenders with a diameter of 2500mm or larger must be equipped with a safety valve. It is used to release excess internal pressure when the fenders are accidentally over - compressed. For fenders with a diameter smaller than 2500mm, a safety valve can be installed if required.
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Metal Accessories
All relevant metal accessories of pneumatic fenders, including shackles, towing rings, swivels, and chain nets, are made of stainless steel, which is resistant to seawater corrosion.
2. Parameter Table
| Pneumatic 50 fender size and performance requirements |
| Nominal size diameter x length mm | Initial internal pressure kPa | Guaranteed energy absorption (GEA) | Reaction force at GEA deflection(R) | Hull pressure (Internal pressure) at GEA deflection (P) |
| Minimum value at deflection 60±5% kJ | Tolerance±10 % kN | Reference value kPa |
| 500 x 1000 | 50 | 6 | 64 | 132 |
| 600 x 1000 | 50 | 8 | 74 | 126 |
| 700 x 1500 | 50 | 17 | 137 | 135 |
| 1000 x 1500 | 50 | 32 | 182 | 122 |
| 1000 x 2000 | 50 | 45 | 257 | 132 |
| 1200 x2000 | 50 | 63 | 297 | 126 |
| 1350 x 2500 | 50 | 102 | 427 | 130 |
| 1500 x 3000 | 50 | 153 | 579 | 132 |
| 1700 x 3000 | 50 | 191 | 639 | 128 |
| 2000 x 3500 | 50 | 308 | 875 | 128 |
| 2500 x 4000 | 50 | 663 | 1381 | 137 |
| 2500 x5500 | 50 | 943 | 2019 | 148 |
| 3300 x 4500 | 50 | 1175 | 1884 | 130 |
| 3300 x 6500 | 50 | 1814 | 3015 | 146 |
| 3300 x 10600 | 50 | 3067 | 5257 | 158 |
| 4500 x 9000 | 50 | 4752 | 5747 | 146 |
| 4500 x 12000 | 50 | 6473 | 7984 | 154 |
| Pneumatic 80 fender size and performance requirements |
| Nominal size diameter x length mm | Initial internal pressure kPa | Guaranteed energy absorption (GEA) | Reaction force at GEA deflection (R) | Hull pressure (Internal pressure) at GEA deflection (P) |
| Minimum value at deflection 60±5% kJ | Tolerance±10% kN | Reference value kPa |
| 500 x 1000 | 80 | 8 | 85 | 174 |
| 600 x 1000 | 80 | 11 | 98 | 166 |
| 700 x 1500 | 80 | 24 | 180 | 177 |
| 1000 x 1500 | 80 | 45 | 239 | 160 |
| 1000 x2000 | 80 | 63 | 338 | 174 |
| 1200 x 2000 | 80 | 88 | 390 | 166 |
| 1350 x 2500 | 80 | 142 | 561 | 170 |
| 1500 x 3000 | 80 | 214 | 761 | 174 |
| 1700 x 3000 | 80 | 267 | 840 | 168 |
| 2000 x 3500 | 80 | 430 | 1150 | 168 |
| 2500 x 4000 | 80 | 925 | 1815 | 180 |
| 2500 x 5500 | 80 | 1317 | 2653 | 195 |
| 3300 x 4500 | 80 | 1640 | 2476 | 171 |
| 3300 x 6500 | 80 | 2532 | 3961 | 191 |
| 3300 x 10600 | 80 | 4281 | 6907 | 208 |
| 4500 x 9000 | 80 | 6633 | 7551 | 192 |
| 4500 x 12000 | 80 | 9037 | 10490 | 202 |
3. Pneumatic Rubber Fender Features
Unique Design of Henger Pneumatic Rubber Fenders
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Active - Protecting Safety Valve: All fenders are equipped with a safety valve to release internal air in case of accidental overpressure. This patented design can prevent the fenders from exploding due to collision and inflation.
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Henger Flange: It is cast from corrosion - resistant cast iron with a galvanized anti - corrosion coating. This can significantly extend the quality and service life of the fenders. The strength of Henger cast flanges is 40% higher than that of traditional types.
4.Our advantages
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Safety and Reliability
Henger pneumatic rubber fenders are made of natural rubber and multiple layers of strong tire cords, featuring pressure resistance and cut resistance. The safety factor adopted in the design of the fenders is based on recognized theories and has been verified by a large number of experiments.
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Patented Active - Protecting Safety Valve Design
All Henger pneumatic rubber fenders are equipped with a safety valve to release internal air in case of accidental overpressure.
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No Deterioration or Variation in Performance
Henger pneumatic rubber fenders utilize the compressive elasticity of air, so there will be no performance degradation due to fatigue.
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Advantages in Inclined Berthing
The energy absorption of Henger pneumatic rubber fenders will not decrease when the inclined compression angle reaches 15 degrees.
5. Pneumatic Rubber Fender Application
There are two typical installation types: ship - to - ship operation and ship - to - dock operation.
a. Ship - to - ship operation
Generally, two contact points are sufficient for light - duty ship - to - ship operations. However, for heavy - duty ship - to - ship operations, 1 or 2 additional pneumatic rubber fenders should be used as the primary fenders. They can absorb the berthing energy and maintain a proper stand - off distance between the two ships. At the same time, two or more small - size fenders can be hung on the ship hull as secondary fenders.
b. Ship - to - dock operation
Pneumatic fenders are often used in ship - to - quay operations due to their excellent performance. The pneumatic fenders are anchored to the quay with guy chains and shackles. Meanwhile, the pneumatic fenders can float on the water surface according to the change of tides.
6. Pneumatic Rubber Fender Transportation
In terms of transportation, we can adopt deflated pallet transportation or full fender transportation without deflation according to customer requirements. We always put customer needs first.
7. Pneumatic Rubber Fender storage
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When pneumatic rubber fenders are not used for a long time, they should be cleaned and dried, filled with appropriate compressed air, and stored in a dry, cool, and ventilated place. The storage temperature should be maintained at - 15℃ - 40℃.
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The storage place of the fenders should be far away from heat sources.
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The fenders must not come into contact with acids, alkalis, greases, and organic solvents.
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When not in use, the fenders must not be stacked, and should not be placed on the ba. To better extend the service life of pneumatic rubber fenders, it is recommended to store them in strict accordance with the above recommendations.
8. After-sale service
1.The product warranty period of Henger is 24 months, which is longer than that of the average supplier. This also reflects the trust between us and our customers in the products of our factory.
2.Our after - sales service is available 24 hours a day. As long as you have any questions, we will always be here. Professional staff will answer your questions and provide you with technical support.
3.Transportation: We can adopt deflated pallet transportation or full fender transportation without deflation according to customer requirements. We always put customer needs first.
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2025 Hot-Sale Manufacturer/Supplier ISO17357Ship-to-Ship50kpa/80kpa Floating/Pneumatic/Yokohama Rubber Fender Price for Sale/Boat/Ship/Vessel/Dock Images
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