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Product Details:
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| Product Name: | Ship Docking Protection Yokohama Type Marine Pneumatic Rubber Fenders | Diameter: | 0.5m To 4.5m |
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| Length: | 1m To 10m | Initial Internal Pressure: | 50kpa, 80kpa |
| Material: | Rubber , Rubber Dipped Tyre Cord Fabric | Net: | Chain And Tyre Net |
| Accessories: | Free Inflate Accessories | Warranty: | 24 Monthes |
| High Light: | Marine Pneumatic Rubber Fenders,Yokohama Type Pneumatic Rubber Fenders,Ship Docking Protection Yokohama Fender |
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Ship Docking Protection Yokohama Type Marine Pneumatic Rubber Fenders
Product Introduction:
Pneumatic rubber fender is also known as Yokohama pneumatic fender. It was fiest invented by the manufacturer of YOKOHAMA, so it now also called Yokohama fenders. After years of improvement, Shunhang's Yokohama fenders used special technilogy and material, makes it to have better performance .
Pneumatic rubber fenders play a critical role in the safe operation of ship berthing and mooring. and became the world's leading anti-collision device.It's widely used for ship-to-ship (STS) transfer operations, ship to quay (STQ) operations and ship-to-berthing (STB) operations.
Raw Material of Pneumatic Rubber Fenders
1. Pneumatic rubber fenders shall consist of a cylindrical 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 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.
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.
Specificaton of Pneumatic Rubber Fender:
Initial internal pressure : 50kPa or 80kPa.
| Size | Initial Internal Pressure 50kPa | Initial Internal Pressure 50kPa | |||
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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 Pneumatic Rubber Fenders
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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) |
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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 |
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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 |
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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. |
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Production of Pneumatic Rubber Fender
Pneumatic Rubber Fender Type
1. Sling Type without chain and tyre net. The weight is lighter and it's easy to operate.
2. Net Type with chain and tyre net , rope and tyre net. rope net
The outside chain and tyre net provide the extra protction for the rubber fender body.
3. Hydro pneumatic fender.
Application of Pneumatic Rubber Fender
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.
FAQ:
Q1: What's your MOQ?
Answer: The MOQ of our pneumatic rubber fender is 1pc.
Q2: What's the lifespan of your pneumatic rubber fenders?
Answer: Designed lifespan of our pneumatic rubber fenders is 6 to 10 years
Q3: What's your warranty period?
Answer: Our warranty period is 2 years. we will responsible for the repairment or replace the new ones for you if it proved to be our quality problem.
Q4: Can you suggest the suitable pneumatic rubber fenders size and quantity for me?
Answer: Pls tell us your ship information, as experienced manufacturer, we can suggest suitable size and quantity for you.
Q5: What kind certificate you can provide.
Answer: ISO9001, CCS,BV,SGS etc.certificates are available.
Pneumatic Rubber Fender, Yokohama Fender, Marine Rubber Boat Fender
Contact Person: Cathy Zhang
Tel: +86 18560625373
