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VLCC floating pneumatic fender are used for large oil tankers
Floating pneumatic fenders have several different names:
Pneumatic rubber fender, Yokohama fender, inflatable rubber fender, pneumatic ship fender, Marine inflatable fender.
Floating pneumatic fenders are divided into two types:
1, sheath type
The sheath type yokohama fender is covered with a sheath consisting of a chain, or a nylon rope net, and old tires (or rubber sleeves). The longitudinal break point of the chain or nylon rope net is connected with one or two mesh holes of the adjacent mesh set with a cable or pull rope. The mesh set will be attached with a tire or rubber sleeve to provide protection for the fender body.
2. No sheath type
Fender without sheath type inflatable rubber fender is the fender without net tire chain coverage outside the surface. This kind of fender is light and easy to move, and makes the fender move more flexibly in the work, so as to deal with the impact from various angles.
Introduction of floating pneumatic fender:
Floating pneumatic fender is a kind of ship supplies for berth cushioning and protection. Yokohama pneumatic fender is more practical and economical than general ship fender, so it is popular.
Pneumatic rubber fender is a rubber closed container made of gluon cloth as skeleton material. The fender is filled with compressed air and can float on the water surface. It serves as an important buffer medium between ship and ship berthing and ship and dock berthing. At the same time, inflatable rubber fender can absorb the impact energy of ship movement, reduce the ship's recoil force, and greatly improve the safety of ship docking.
With air as the medium, the compressed air is used to absorb the impact energy, so that the ship is flexible when docking, so as to achieve the effect of collision prevention and avoidance. Yokohama fender has been widely used in oil tankers, container ships, engineering ships, ocean-going fishing boats, offshore platforms, large docks, military ports, large bridge piers and other ships and offshore platforms.
Floating pneumatic fender operation instructions and maintenance precautions
1. The maximum deformation of Marine inflatable fender in the use process is 60% (except for special ship type or special operation), and the use pressure is 50kpa-80kpa (the use pressure can be determined according to the user's ship type, tonnage size and near environment).
2, pneumatic rubber fender should pay attention to avoid sharp objects in the use of puncture and scratch; And timely maintenance and maintenance, in general 5- 6 months for a pressure test.
3, often check the pneumatic rubber fender body for puncture, scratch. The surface objects in contact with the fender shall not have sharp protruding hard objects to prevent puncturing the fender. When the fender is in use, the cable or chain or wire rope hanging the fender shall not be knotted.
4. When the Yokohama pneumatic fender is not in use for a long time, it should be cleaned, dried, filled with appropriate amount of gas, and placed in a dry, cool and ventilated place.
5, Yokohama fender storage should be away from heat, not with acid, alkali, grease and organic solvent contact.
6, do not pile up when not in use, do not pile up heavy objects on the fender.
Performance of floating pneumatic fender:
SIZE | Initial pressure is 80 kPa Compression deformation 60% | ||
Diameter(mm) | Length (mm) | Reactionforce-kn | Energyabsorb kn-m |
500 | 1000 | 87 | 9 |
600 | 1000 | 100 | 10 |
700 | 1500 | 182 | 28 |
1000 | 1500 | 241 | 40 |
1000 | 2000 | 340 | 54 |
1200 | 2000 | 392 | 69 |
1350 | 2500 | 563 | 100 |
1500 | 3000 | 763 | 174 |
1700 | 3000 | 842 | 192 |
2000 | 3500 | 1152 | 334 |
2000 | 4000 | 1591 | 386 |
2500 | 4000 | 1817 | 700 |
2500 | 5500 | 2655 | 882 |
3000 | 5000 | 2715 | 1080 |
3000 | 6000 | 3107 | 1311 |
3300 | 4500 | 2478 | 1642 |
3300 | 6000 | 3654 | 2340 |
3300 | 6500 | 3963 | 2534 |
Picture of floating pneumatic fender