|
[China]
Trade Verify
Address: Beilongwan Industrial Park, Jimo District, Qingdao City, Shandong Province, China.
Contact name:Cathy Zhang
QINGDAO SHUNHANG MARINE SUPPLIERS CO., LTD. |
|
Verified Suppliers
|
|
|
Ocean Platfprm Protection Inflatable Boat Rubber Fenders
Product Introduction
Boat rubber fenders are used world wide for ship-to-ship (STS) transfer operations, terminals, and for all kinds of ships.Such as VLCC, CONTAINER VESSEL, OFFSHORE SEAR TASK PLATFORM, LARGE SHIPYARD AND DOCK,LARGE SHIP AND CRUISE SHIP etc.
1. Boat rubber fenders shall consist of a cylindrical air bag with hemispherical heads at both ends, which shall be filled with compressed air. The basic body construction of this fender shall consist of an outer rubber, synthetic-tyre-cord layer (see Annex A) for reinforcement, and an inner rubber. All of these shall be vulcanized firmly.
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.
3. The inner rubber layer shall seal the air inside.
4. The reinforcement synthetic-tyre-cord layers shall be strong enough to hold the internal pressure. In both compressed and non-compressed situations.
5. The flange opening shall be at either end, or both ends, for convenience of air charge and water filling for Type I and Type II. The flange opening shall be at only one end for Type I Single and no metal parts shall be at the other end to make that end safe from permanent deformation when it gets over compression.
6. The end of the reinforcement-cord layers shall enter the bead ring and be turned up outside the bead ring, which is built-in at the flange opening. Diameter of the bead ring or other steel material around the flange opening shall be less than 0,20 D (D: fender diameter) to make metal parts safe from permanent deformation when it gets over compression near to 80 %. For Type I (Net-type) fenders, the bead ring, and turning up on construction can be excluded.
7. Fenders of diameter 2 500 mm and larger shall be equipped with a safety valve for releasing excess internal pressure when the fenders are over-compressed accidentally. Fenders which are smaller than 2 500 mm in diameter, can be equipped with a safety valve if required.
8. The fender shall be equipped with an air valve for inflation and checking air pressure.
How does the boat rubber fender work?
The boat rubber fender compressed air is used as a buffer
medium to absorb the impact energy of the ship, so that the ship
has more flexibility and flexibility when docking, so as to prevent
The impact of collisions .
Fenders Type
Tire net type: multiple tires are tied to the ball, and both ends
are tied to a special flywheel that can rotate flexibly. Suitable
for large and reliable balls.
Rubber net type: tie a special rubber pad to the ball, which can be
freely contracted or stretched when squeezed. Suitable for medium
and small reliable balls.
Rope type: The net cover is woven with nylon rope; tightly tied to
the ball. It is suitable for small size reliable balls.
Characteristic
● External wear resistance ● Bearing pressure
● Ageing resistance ● Long service life
● Good air tightness ● Easy storage
● Non deformation ● Simple installation
Specificaton of Shunhang Boat Rubber Fenders
| Size | Initial Internal Pressure 50kPa | Initial Internal Pressure 50kPa | |||
Diameter/ Meter | Length /Meter | Energy Absorption /KJ | Reaction Force /KN | Energy Absorption /KJ | Reaction Force /KN |
| 0.5 | 1 | 6 | 64 | 8 | 85 |
| 0.7 | 1.5 | 17 | 137 | 24 | 180 |
| 1.0 | 1.5 | 32 | 182 | 45 | 239 |
| 1.0 | 2.0 | 45 | 257 | 63 | 338 |
| 1.2 | 2.0 | 63 | 297 | 88 | 390 |
| 1.5 | 3.0 | 153 | 579 | 214 | 761 |
| 1.7 | 3.0 | 191 | 639 | 267 | 840 |
| 2.0 | 3.5 | 308 | 875 | 430 | 1150 |
| 2.5 | 4.0 | 663 | 1381 | 925 | 1815 |
| 2.5 | 5.5 | 943 | 2019 | 1317 | 2653 |
| 3.0 | 5.0 | 1050 | 2000 | 1571 | 2709 |
| 3.0 | 6.0 | 1312 | 2488 | 1888 | 3292 |
| 3.3 | 4.5 | 1175 | 1884 | 1640 | 2476 |
| 3.3 | 6.0 | 1675 | 2783 | 2338 | 3652 |
| 3.3 | 6.5 | 1814 | 3015 | 2532 | 3961 |
Outer and Inner Rubber Material Requirements of Boat Rubber Fenders
Test item |
Test method | Required value | |
| Outer rubber | Inner rubber | ||
| 1. Before aging | – | – | – |
| 1.1 Tensile strength | ISO 37:2011 | 18 MPa or more | 10 MPa or more |
| 1.2 Elongation | ISO 37:2011 | 400 % or more | 400 % or more |
| 1.3 Hardness | ISO 7619-1:2010 | 60 ± 10 (Durometer hardness Type A) | 50 ± 10 (Durometer hardness Type A) |
2. After aging |
ISO 188:2011 | Air oven aging, 70°C ± 1°C, 96 h | Air oven aging, 70°C ± 1°C, 96 h |
| 2.1 Tensile strength | ISO 37:2011 | Not less than 80 % of the original property | Not less than 80 % of the origi- nal property |
| 2.2 Elongation | ISO 37:2011 | Not less than 80 % of the original property | Not less than 80 % of the origi- nal property |
| 2.3 Hardness | ISO 7619-1:2010 | Not to exceed the original prop- erty by more than 8 | Not to exceed the original prop- erty by more than 8 |
| 3. Tear | ISO 34-1:2010 | 400 N/cm or more | No requirement |
| 4. Compression set | ISO 815-1:2008 | 30 %(70 ± 1 °C, 22hours) or less | No requirement |
5. Static ozone aging test |
ISO 1431-1:2012 | No cracks after elongation by 20 % and exposure to 50 pphma at 40 °C for 96 h |
No requirement |
NOTE If the colour of the outer cover is not black, the material requirements will differ from those in this table. a Parts of ozone per hundred million of air by volume. | |||
Notice Of Fender Application And Storage
1. The fender pressure should be kept in the standard pressure
,within the rate of ± 5% range.
2. Often check the pressure , when the pressure drops, Inflate the
fender in time, so as not to affect the normal use of the fender.
3. When connecting the fender with a steel wire rope, the wire rope
should be fitted with a rubber sleeve to avoid damage to the fender
4. Do not touch the fender surface with the the sharp objects , to
prevent piercing the fender. If the fender's surface is damaged, it
will affect the lifespan of the fender.
5. When the fender is in normal use, the fixing points should be
firm, prevent the detachment and wash away the fender. Suspension
of the rope and hook ring should be connected orderly , can’t be in
a mess.
6. If the fender won’t be used in a long time , to clean the fender
surface with fresh water, and place the fender in a dry, cool,
ventilated place, without direct sunshine.
7. When the fender is stored for a long time, the pressure should
be reduced and the fender should be placed far away from the heat
source.
8. Because the fender is rubber product, should try to avoid the
fireworks, not contact with acid, alkali, oil and other organic
solution
9. When the fender is stored, it shall not be folded or stacked,
and don’t stack other objects on the fender.
