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ISO 17357 Sling Type Yokohama Floating Pneumatic Marine Rubber Fenders Marine Rubber Fender
Description:
ISO 17357 sling type Yokohama floating pneumatic marine rubber
fenders can play an important role in a ships safe berthing
operation. Essentially there are two main types of floating
pneumatic rubber fender, defined as either high or low pressure
fenders. Although manufactured using different techniques, both
high and low pressure fenders work by the same principle. The
resistance to berthing vessel momentum is provided by a reaction
pressure due to compression of the air inside the fender when
deformed by the vessels hull. The kinetic energy of the berthing
vessel is absorbed during the work done to compress the air inside
the fender. Fenders are sized according to the expected duty of the
fender in terms of the energy absorption (EA) requirements which
will be at the most basic level, a function of the vessel mass and
velocity.
Sling type fenders are net type fenders without chains or tyre
nets, but with a specially processed outer rubber double-layered
cove r, which consist s of a single cover and an extra tyre cord
layer, resulting in better resistance to operational damages .
Main Technical Specifications:
Main Technical Parameters:
| 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 deflect10n 6 0 土 5 % kj | Tolerance 土 10 % kN | Reference value kPa | ||
| 500 X 1 000 | 50 | 6 | 64 | 132 |
| 600 X 1 000 | 50 | 8 | 74 | 126 |
| 700 X 1 500 | 50 | 17 | 137 | 135 |
| 1 000 X 1 500 | 50 | 32 | 182 | 122 |
| 1 000 X 2 000 | 50 | 45 | 257 | 132 |
| 1200 X 2 000 | 50 | 63 | 297 | 126 |
| 1 350 X 2 500 | 50 | 102 | 427 | 130 |
| 1 500 X 3 000 | so | 153 | 579 | 132 |
| 1 700 X 3 000 | 50 | 191 | 639 | 128 |
| 2 000 X 3 500 | 50 | 308 | 875 | 128 |
| 2 500 X 4 000 | 50 | 663 | 1381 | 137 |
| 2 500 X 5 500 | 50 | 943 | 2 019 | 148 |
| 3 300 X 4 500 | 50 | 1175 | 1884 | 130 |
| 3 300 X 6 500 | 50 | 1814 | 3 015 | 146 |
| 3 300 X 10 600 | 50 | 3 067 | 5 257 | 158 |
| 4 500 X 9 000 | 50 | 4 752 | 5 747 | 146 |
| 4 500 X 12 000 | 50 | 6 473 | 7 984 | 154 |
| Pneumatic 50 fender pressure requirements | ||||||
Nominal size
| Internal pressure | Minimum endurable pressure | Safety-valve pressure setting | Testing pressure at 0% deflect10n | ||
| at 0% deflection kPa | at 60 % deflection kPa | at 0% deflection kPa | at 60 % deflection kPa | kPa | kPa | |
| 500 X 1 000 | 50 | 132 | 300 | 462 | - | 200 |
| 600 X 1 000 | so | 126 | 300 | 441 | - | 200 |
| 700 X 1 500 | 50 | 135 | 300 | 473 | - | 200 |
| 1 000 X 1 500 | 50 | 122 | 300 | 427 | - | 200 |
| 1 000 X 2 000 | so | 132 | 300 | 462 | - | 200 |
| 1200 X 2 000 | 50 | 126 | 300 | 441 | - | 200 |
| 1 350 X 2 500 | so | 130 | 300 | 455 | - | 200 |
| 1500 X 3 000 | so | 132 | 300 | 462 | - | 200 |
| 1 700 X 3 000 | 50 | 128 | 300 | 448 | - | 200 |
| 2 000 X 3 500 | 50 | 128 | 300 | 448 | - | 200 |
| 2 500 X 4 000 | 50 | 137 | 350 | 480 | 175 | 250 |
| 2 500 X 5 500 | 50 | 148 | 350 | 518 | 175 | 250 |
| 3 300 X 4 500 | 50 | 130 | 350 | 455 | 175 | 250 |
| 3 300 X 6 500 | 50 | 146 | 350 | 511 | 175 | 250 |
| 3 300 X 10 600 | 50 | 158 | 350 | 553 | 175 | 250 |
| 4 500 X 9 000 | 50 | 146 | 350 | 511 | 175 | 250 |
| 4 500 X 12 000 | so | 154 | 350 | 539 | 175 | 250 |
Drawing of ISO 17357 Sling Type Yokohama Floating Pneumatic Marine Rubber Fenders Marine Rubber Fender
