(8) Cautions of pneumatic rubber boat fender
1. Users should often check that the rubber fender is damaged or not and the air pressure is normal or not. The valve core should be changed every 6 months.
2. When use a wire cable to tie the fender, the wire cable should be covered with a rubber tube to protect the fender from being damaged. The contact surface of the fender should not have sharp or hard protruding object.
3. In the adjustment of the internal pressure, the nuts of accessories and fixtures should not be loosened.
4. When using the rubber fender, the cord network should be firm, and the cable wire used for suspending metal parts and the looped links should not be knotted chaotically.
Storing of pneumatic rubber boat fender
1. If the boat fender is not used for a long time, it should be washed and dried. Inflate a moderate amount of compressed air into the fender, and store it in a dry, shady and ventilated place.
2. The place used to store the rubber fender should be far from heat source.
3. The pneumatic fender should not contact with acid, alkali, grease, and organic solvent.
4. When rubber fenders are not in use, they should not be stacked together and heavy objects should not put on them.
(9) Accessories
Our pneumatic rubber boat fender is equipped with the following accessories:
1. valve core: 5 pieces
2. Valve core key: 1
3. Valve mouth pipe: 1 pieces
4. Rubber tube: Φ8mm×500mm
5. Pressure meter: 1 pieces
Specification, size, performance and weight of pneumatic rubber boat fender
Specification(D×L) | Initial charged pressure (Po 0.05MPa) | Initial charged pressure (Po 0.08MPa) | ||||
Weight of ball(kg) | R(kN) | GEA(KJ) | Weight of ball (kg) | R(kN) | GEA(KJ) | |
0.5×1.0 | 25 | 64 | 6 | 25 | 83 | 8 |
0.6×1.0 | 32 | 74 | 8 | 32 | 96 | 11 |
0.7×1.5 | 50 | 137 | 17 | 50 | 178 | 24 |
1.0×1.5 | 80 | 182 | 32 | 80 | 235 | 44 |
1.0×2.0 | 100 | 257 | 45 | 125 | 335 | 63 |
1.2×2.0 | 120 | 297 | 63 | 165 | 386 | 86 |
1.35×2.5 | 165 | 427 | 102 | 226 | 554 | 140 |
1.5×3.0 | 315 | 597 | 153 | 370 | 751 | 211 |
1.7×3.0 | 405 | 639 | 191 | 436 | 830 | 263 |
2.0×3.5 | 590 | 875 | 308 | 632 | 1138 | 424 |
2.5×4.0 | 1050 | 1381 | 663 | 1110 | 1815 | 925 |
2.5×5.0 | 1333 | 2019 | 943 | 1410 | 2653 | 1317 |
3.0×5.0 | 1880 | 2104 | 1210 | 215 | 2709 | 1571 |
3.0×6.0 | 2160 | 2583 | 1485 | 2470 | 3292 | 1888 |
3.3×4.5 | 2020 | 1884 | 1175 | 2300 | 2476 | 1640 |
3.3×6.0 | 2300 | 2783 | 1675 | 2600 | 3652 | 2338 |
3.3×6.5 | 2700 | 3015 | 1814 | 3080 | 3961 | 2532 |
Remarks:
The compression deflection is 60%±5%. R---reaction force, GEA---energy absorption
Weight is the weight of ball (excluding jacket) and weight tolerance is ±10%. Reaction force tolerance is ±10%.
Selection of pneumatic rubber boat fender
Here are some examples of selecting pneumatic fenders. The number of fenders depends on the length of ship and the working conditions.
For small and medium sized boats and vessels
Shipping tonnage | Size of dependable ball(D×L)(m) | Remarks |
50 | 0.5×1.0 | Fisher |
100 | 0.7×1.5-1.0×1.5 | Fisher |
200 | 1.0×1.8-1.0×2.0 | Fisher, Tugboat |
300-500 | 1.2×2.0-1.5×2.5 | Fisher, Tugboat |
1000 | 1.5×2.5-1.5×3.0 | Tugboat, Transport vessel |
3000 | 2.0×3.0-2.0×3.5 | Ocean trawler, Transport vessel |
10000 | 2.0×3.5-2.5×5.0 | Transport vessel |
For super tanker
A Vessel(DWT) | B Vessel(DWT) | Assumed fender meeting velocity (m/s) | Effective movement energy (KJ) | Size of dependable ball(D×L) |
300,000 | 200,000 | 0.15 | 1230 | 3.3×6.5 |
150,000 | 0.15 | 1030 | 3.3×6.5 | |
100,000 | 0.15 | 781 | 3.3×6.5 | |
200,000 | 150,000 | 0.15 | 882 | 3.3×6.5 |
100,000 | 0.15 | 693 | 3.0×6.0 | |
85,000 | 0.15 | 618 | 3.0×5.0 | |
100,000 | 85,000 | 0.17 | 617 | 3.0×5.0 |
50,000 | 0.18 | 511 | 3.0×5.0 | |
40,000 | 0.20 | 544 | 3.0×5.0 | |
50,000 | 40,000 | 0.20 | 425 | 2.5×5.5 |
30,000 | 0.22 | 437 | 2.5×5.5 | |
20,000 | 0.25 | 443 | 2.5×5.5 | |
20,000 | 15,000 | 0.27 | 318 | 2.5×4.0 |
10,000 | 0.30 | 309 | 2.0×3.5 | |
5,000 | 0.35 | 253 | 2.0×3.5 | |
10,000 | 5,000 | 0.35 | 212 | 2.0×3.5 |
3,000 | 0.40 | 196 | 2.0×3.5 | |
1,000 | 0.50 | 127 | 2.0×3.0 |
Size of parts used in installation
Size of dependable ball(D×L)(m) | Steel cable(mm) | Chain or nylon rope (mm) | Shackle (mm) | Embedded bolt (mm) |
0.5×1.0 | 12 | 14 | 14 | 18 |
0.6×1.0 | 12 | 14 | 14 | 20 |
0.7×1.5 | 14 | 16 | 18 | 25 |
1.0×1.5 | 14 | 16 | 18 | 25 |
1.0×2.0 | 14 | 16 | 18 | 25 |
1.2×2.0 | 16 | 16 | 18 | 28 |
1.35×3.0 | 16 | 18 | 18 | 28 |
1.7×3.0 | 18 | 18 | 22 | 28 |
1.5×3.0 | 20 | 20 | 24 | 30 |
2.0×3.5 | 24 | 24 | 28 | 34 |
2.5×4.0 | 24 | 26 | 28 | 34 |
2.5×5.5 | 24 | 26 | 28 | 34 |
3.3×4.5 | 26 | 28 | 30 | 40 |
3.3×6.5 | 28 | 30 | 32 | 60 |
Thanks for your visit. All of our products are CCS certified and are successfully exported to many countries, such as America, Spain, Russia, France, Belgium, Brazil, Argentina and Singapore. For any inquiry, please don't hesitate to contact us! You will find Hengsheng offers the best prices!