Yokohama pneumatic docking fender high pressure 50 kpa inflatable fender
The Pneumatic Fender (Yokohama Fender) is an abrasion-resistant rubber fender filled with high pressure air. It can easily be deflated which allows simple and cost effective relocation and re-commissioning in other locations.
Pneumatic Fenders are available in diameters ranging from 500 mm to 4,500 mm and lengths ranging from 1000 mm to 12,000 mm, as well as special sizes.
All sizes are available as sling-type or with a heavy duty chain & tire net.
Advantages of yokohama pneumatic fenders:
A versatile and well proven design. JRB pneumatic fenders are available as sling type or with chain &tyre nets to suit a variety of inshore and offshore applications.
1. Safety and Reliability
2 .No Deterioration or Variation in Performance
3. Advantages at Inclined Berthing
4 .Most Cost Competitive System
5. Soft Reaction Force for Ship and Jetty Structure
6. Lower Mooring Forces under Rough Weather Conditions
7. Stronger against Shearing Force
8 .Adaptable to the Tide
9. Simple and Low Cost Installation
10. Low Maintenance Cost
11 .Shipping Cost Minimization
Pneumatic Fender Type
BASIC CONSTRUCTION
The Floating-type Yokohama Pneumatic Rubber Fenders are kind of a cylindrical air bag with hemispherical heads at both ends. Basic body construction of this fender consists of an outer rubber layer, cord layers and an inner rubber layer. All of these are vulcanized together, and then proven by hydraulic pressure test.
1. Outer Rubber
The outer rubber layer protects the cord layers and inner rubber layer from abrasion and other external forces. This compound has sufficient tensile and tear strength to withstand any weather condition and hard usage as shown in Table 5-1. Standard color is black, but other colors such as grey and creamy white are available on request.
2. Synthetic-tire-cord Layer
The reinforcement cord layers, which are made of Synthetic-tire-cord, are arranged at ideal angles to hold the internal pressure and to distribute the stress evenly. As the main fibers of the synthetic-tire-cord are not braided like synthetic canvas fabric or synthetic belt fabric as shown in Fig.5-2, there are advantages for its fatigue-resistance performance and pressure-holding performance.
3. Inner Rubber
The inner rubber layer seals the air inside, utilizing a compound equivalent to that of the liner or tube of an automobile tire. The specifications are shown in Table 5-1.
Detailed Imagine
PNEUMATIC FENDER DIMENSIONS AND PERFORMANCE VALUES
Pneumatic 50 (Metric)
| Nominal Size Diameter x Length | Initial Internal Pressure | Guaranteed Energy Absorption (GEA) | Reaction Force at GEA | Hull Pressure at GEA | Safety Valve Setting pressure | Testing Pressure | Weight of Net Type (Type I) | Weight of Sling Type (Type n) |
| Approx. Fender Body Weight | Approx. Weight of Net |
| E | R | P | Chain Net | Wire Net | Synthetic Fiber Net |
| (mm x mm) | (kPa) | (kNm) | (kN) | (kPa) | (kPa) | (kPa) | (kg) | (kg) | (kg) | (kg) | (kg) |
| 500 x 1000 | 50 | 6 | 64 | 132 | - | 200 | 22 | 110 | 30 | 20 | 28 |
| 600 x 1000 | 50 | 8 | 74 | 126 | - | 200 | 25 | 120 | 30 | 22 | 32 |
| 700 x 1500 | 50 | 17 | 137 | 135 | - | 200 | 45 | 150 | 40 | 37 | 51 |
| 1000 x 1500 | 50 | 32 | 182 | 122 | - | 200 | 73 | 200 | 80 | 51 | 89 |
| 1000 x 2000 | 50 | 45 | 257 | 132 | - | 200 | 88 | 220 | 140 | 57 | 104 |
| 1200 x 2000 | 50 | 63 | 297 | 126 | - | 200 | 131 | 320 | 190 | 68 | 147 |
| 1350 x 2500 | 50 | 102 | 427 | 130 | - | 200 | 200 | 350 | 200 | - | 229 |
| 1500 x 3000 | 50 | 153 | 579 | 132 | - | 200 | 250 | 530 | 350 | - | 279 |
| 1700 x 3000 | 50 | 191 | 639 | 128 | - | 200 | 290 | 580 | 440 | - | 320 |
| 2000 x 3500 | 50 | 308 | 875 | 128 | - | 200 | 405 | 960 | 640 | - | 459 |
| 2500 x 4000 | 50 | 663 | 1381 | 137 | 175 | 250 | 902 | 1240 | 910 | - | 1080 |
| 2500 x 5500 | 50 | 943 | 2019 | 148 | 175 | 250 | 1090 | 1850 | 1160 | - | 1320 |
| 3300 x 4500 | 50 | 1175 | 1884 | 130 | 175 | 250 | 1460 | 1710 | 1270 | - | 1800 |
| 3300 x 6500 | 50 | 1814 | 3015 | 146 | 175 | 250 | 1870 | 2570 | 1910 | - | 2180 |
| 3300 x 10600 | 50 | 3067 | 5257 | 158 | 175 | 250 | 2560 | 4660 | 3300 | - | 3060 |
| 4500 x 9000 | 50 | 4752 | 5747 | 146 | 175 | 250 | 3940 | 5390 | 3520 | - | 4560 |
| 4500 x 12000 | 50 | 6473 | 7984 | 154 | 175 | 250 | 4790 | 6990 | 5190 | - | - |
Pneumatic 80 (Metric)
| Nominal Size Diameter x Length | Initial Internal Pressure | Guaranteed Energy Absorption (GEA) | Reaction Force at GEA | Hull Pressure at GEA | Safety Valve Setting pressure | Testing Pressure | Weight of Net Type (Type I) | Weight of Sling Type (Typen) |
| Approx. Fender Body Weight | Approx. Weight of Net |
| E | R | P | Chain Net | Wire Net | Synthetic Fiber Net |
| (mm x mm) | (kPa) | (kNm) | (kN) | (kPa) | (kPa) | (kPa) | (kg) | (kg) | (kg) | (kg) | (kg) |
| 500 x 1000 | 80 | 8 | 85 | 174 | - | 250 | 24 | 110 | 30 | 20 | 30 |
| 600 x 1000 | 80 | 11 | 98 | 166 | - | 250 | 27 | 120 | 30 | 22 | 34 |
| 700 x 1500 | 80 | 24 | 180 | 177 | - | 250 | 47 | 150 | 40 | 37 | 53 |
| 1000 x 1500 | 80 | 45 | 239 | 160 | - | 250 | 76 | 200 | 80 | 51 | 92 |
| 1000 x 2000 | 80 | 63 | 338 | 174 | - | 250 | 92 | 220 | 140 | 57 | 108 |
| 1200 x 2000 | 80 | 88 | 390 | 166 | - | 250 | 135 | 320 | 190 | 68 | 151 |
| 1350 x 2500 | 80 | 142 | 561 | 170 | - | 250 | 205 | 350 | 200 | - | 234 |
| 1500 x 3000 | 80 | 214 | 761 | 174 | - | 250 | 277 | 530 | 350 | - | 306 |
| 1700 x 3000 | 80 | 267 | 840 | 168 | - | 250 | 316 | 580 | 440 | - | 346 |
| 2000 x 3500 | 80 | 430 | 1150 | 168 | - | 250 | 413 | 970 | 690 | - | 467 |
| 2500 x 4000 | 80 | 925 | 1815 | 180 | 230 | 300 | 1010 | 1250 | 910 | - | 1190 |
| 2500 x 5500 | 80 | 1317 | 2653 | 195 | 230 | 300 | 1230 | 1860 | 1170 | - | 1460 |
| 3300 x 4500 | 80 | 1640 | 2476 | 171 | 230 | 300 | 1720 | 1720 | 1280 | - | 2050 |
| 3300 x 6500 | 80 | 2532 | 3961 | 191 | 230 | 300 | 2200 | 2580 | 1990 | - | 2530 |
| 3300 x 10600 | 80 | 4281 | 6907 | 208 | 230 | 300 | 3030 | 4660 | 3300 | - | 3520 |
| 4500 x 9000 | 80 | 6633 | 7551 | 192 | 230 | 300 | 4380 | 5440 | 3580 | - | - |
| 4500 x 12000 | 80 | 9037 | 10490 | 202 | 230 | 300 | 5330 | 7030 | 5230 | - | - |
GENERIC PERFORMANCE CURVE PNEUMATIC FENDERS
Applications Cases
►In ports with extreme tidal variations
►Ship-to-ship operations
►Oil & Gas (typically FSRU)
►Temporary berthing
Shipping Method
In order to minimize the shipping cost of Yokohama Pneumatic Rubber Fenders, the fenders are usually packed and shipped in containers or on pallets in vacuumed and folded down state.
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Yokohama Pneumatic Docking Fender High Pressure 50 Kpa Inflatable Fender Images
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