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Application: | Protect The Dock And Body Of Vessel | Type: | Round Pneumatic Rubber Fender |
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Marine Pneumatic rubber fenders shall consist of a cylindrical air bag with hemispherical heads
at both ends,which shall be filled with compressed air.The basic rubber fender body construction
of this fender shall consist of an outer rubber,synthetic-type cord layers for reinforcement
and an inner rubber.All of these should be vulcanized.
NOTE:Alternative reinforcement methods for synthetic-type-cord layers may be considered
if their strength and durability are designed and proven to be equal to,or superior to,the synthetic-type-cord layers after exhaustive trails.
2.The outer rubber shall protect the cord layers and inner rubber from abrasion and other external
forces.This rubber compound shall have sufficient tensile and tear resistance strength to withstand
anticipated weather conditions and severe usage.This rubber shall satisfy the values specified in Table3.
3.The inner rubber layer shall seal the air inside.It shall satisfy the requirements specified in Table 3.
4.The inner reinforcement synthetic-tyre-cord layers shall be strong enough to hold the internal pressure.
In both compressed and non compressed situations,the fender’s endurable pressure shall be as in Table 4 or Table 5.
Size | Initial internal pressure | Guaranteed energy absorption GEA(kJ) |
Reaction force at GEA deflection R((kN)) |
D×L(m) | (Kpa) | Minimum value at deflection 60±5% |
Tolerance ±10% |
0.5×1.0 | 50 | 6 | 64 |
0.6×1.0 | 50 | 8 | 74 |
0.7×1.5 | 50 | 17 | 137 |
1.0×1.5 | 50 | 32 | 182 |
1.0×2.0 | 50 | 45 | 257 |
1.2×2.0 | 50 | 63 | 297 |
1.35×2.5 | 50 | 102 | 427 |
1.5×3.0 | 50 | 153 | 597 |
1.7×3.0 | 50 | 191 | 639 |
2.0×3.5 | 50 | 308 | 875 |
2.5×4.0 | 50 | 663 | 1381 |
2.5×5.5 | 50 | 943 | 2019 |
3.0×5.0 | 50 | 1210 | 2104 |
3.0×6.0 | 50 | 1485 | 2583 |
3.3×4.5 | 50 | 1175 | 1884 |
3.3×6.0 | 50 | 1675 | 2783 |
3.3×6.5 | 50 | 1814 | 3015 |
3.3×10.6 | 50 | 3067 | 5257 |
4.5×9.0 | 50 | 4752 | 5747 |
4.5×12.0 | 50 | 6473 | 7984 |