QINGDAO DOOWIN MARINE ENGINEERING CO., LTD.
                                                                                                           
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ISO17357 Hydro Pneumatic Marine Fender 0.5m- 4.5m With Chain Tyre Net

Price Negotiable
Price: USD$ 150~ 8600
MOQ: 1pc
Delivery Time: 2~3 weeks
Brand: DOOWIN MARINE
Product Description
ISO17357 Hydro Pneumatic Boat Fenders Marine Fender With Chain Tyre Net
Floating pneumatic rubber fenders, also known as Yokohama fenders, are constructed from synthetic-cord-reinforced rubber sheets with compressed air inside. The internal air enables flotation on water and serves as a shock absorber between ships (ship-to-ship) or between ships and berthing structures. All Doowin Marine Yokohama-type floating pneumatic rubber fenders are manufactured and tested in full compliance with ISO 17357 standards.
Pneumatic Fender Types
There are two common types of our Pneumatic Rubber Fenders:
  • Type I - Net Type: Covered with a chain net, wire net, or fiber net for small size fenders
  • Type II - Sling Type: Features lifting devices on each end for connection with guy chains or ropes. Without protection net, lightweight and easy to handle
Pneumatic Fender Construction
Floating pneumatic rubber fenders consist of an outer rubber layer, reinforcement synthetic-tire-cord layer, and inner rubber, all vulcanized firmly together.
  • Outer Rubber Layer: Provides superior protection for cord layers and inner rubber. The rubber compound offers excellent tensile and tear resistance to withstand harsh weather conditions and heavy usage.
  • High Quality Synthetic-Tyre-Cord Layer: Maintains internal air pressure while the inner rubber layer seals the pressurized air inside the fender.
  • Safety Valve: Fenders with diameter ≥2500mm include a safety valve for pressure release. Available for smaller fenders upon request.
  • Chain and Tire Net Protection: External chain and tire net provide additional protection for the rubber fender body. Customizable with truck tires, fiber nets, or aircraft tires.
All materials comply with ISO 17357:2014 standards for floating pneumatic rubber fenders. Contact us for detailed specifications of outer and inner rubber materials.
  • ISO 17357-1:2014 Ships and marine technology -- Floating pneumatic rubber fenders -- Part 1: High pressure
  • ISO 17357-2:2014 Ships and marine technology -- Floating pneumatic rubber fenders -- Part 2: Low pressure
Pneumatic Fender in marine application
Pneumatic Rubber Fenders Specifications
Pneumatic Fenders Item Pneumatic Rubber Fenders Parameter
Fender Diameter 0.5 ~ 4.5m
Fender Length 1.0 ~ 9m
Initial Pressure 50kPa and 80kPa
Fender Type Sling type, Net type, Hydro-pneumatic fender
Fender Standard ISO 17357 : 2014
Fender Application Ship-to-ship, ship-to-port
Performance Data
D x L (mm) P50 GEA (kNm) P50 Reaction Force (kN) P50 Hull Pressure (kN/m2) P80 GEA (kNm) P80 Reaction Force (kN) P80 Reaction Force (kN/m2)
500x1000 6 64 132 8 85 174
600x1000 8 74 126 11 98 166
1000x1500 32 182 122 45 239 160
1000x2000 45 257 132 63 338 174
1200x2000 63 297 126 88 390 166
1350x2500 102 427 130 142 561 170
1500x3000 153 579 132 214 761 174
1700x3000 191 639 128 267 840 168
2000x3500 208 875 128 430 1150 168
2500x4000 663 1381 137 925 1815 180
2500x5500 943 2019 148 1317 2653 195
3300x4500 1175 1884 130 1640 2476 171
3300x6500 1814 3015 146 2532 3961 179
Floating Pneumatic Rubber Fenders Advantages
Doowin-Marine pneumatic rubber fenders are manufactured and tested to comply with ISO 17357 standards, utilizing Korean production technology.
  1. ISO 17357 Compliance: All fenders meet the latest ISO 15375 standards.
  2. Soft Reaction Force: Gradual force increase protects ships and mooring facilities even under excess load.
  3. 15° Inclined Berthing: Maintains energy absorption efficiency at angles up to 15 degrees.
  4. Shear Force Resistance: Reinforced with strong tire-cord to withstand combined shearing forces.
  5. Reduced Mooring Forces: Provides safe protection in rough weather conditions.
  6. Tide Adaptability: Floats freely to accommodate tidal ranges and ship movements.
  7. Cost-Effective Installation: Simple mooring with guy ropes or chains, easily relocated.
  8. Low Maintenance: Minimal air leakage requires only annual pressure checks.
  9. Shipping Efficiency: Ships compactly in vacuumed, folded state in containers or on pallets.

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company QINGDAO DOOWIN MARINE ENGINEERING CO., LTD.
Location Xiazhuang Industry Park, Chengyang, Qingdao, China
Contact Person Xiang Sun

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