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Yokohama Inflatable Rubber Fender Boat Mooring Fenders

Categories Pneumatic Rubber Fenders
Brand Name: DOOWIN MARINE
Model Number: Boat Mooring Fenders
Certification: BV,LR,ABS,ect.
Place of Origin: China
MOQ: 1pc
Price: USD$ 1000~12990$
Payment Terms: T/T
Supply Ability: 10pcs/per week
Delivery Time: 2~3 weeks
Packaging Details: Pallets or Plywooden Boxes
Product name: Yokohama Inflatable Rubber Fender Boat Mooring Fenders
Brand: DOOWIN
Color: Black
Material: Synthetic tire cord and rubber plies
Diameter: 0.5~4.5 meters
Length: 1~ 9 meters
Warranty period: 2 years
Type: Net type, Sling type
Packing: Pallet, iron frame,or as requirement
Usage: Protects ship during ship-to-ship operations or mooring at quay,Protect Boat
Chain: Hot galvanized
Quality: Strong enough to maintain the internal air pressure
Design using life: 10+ years
Feature: Soft Reaction Force,Adaptable to The Tide,Against Shearing Force,Aging Resistance,Lower Mooring Forces
Initial Internal Pressure: 50Kpa, 80Kpa
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Yokohama Inflatable Rubber Fender Boat Mooring Fenders

Yokohama Inflatable Rubber Fender Boat Mooring Fenders

Floating pneumatic rubber fenders are known as Yokohama fenders or Yokohama-type pneumatic fenders. Floating pneumatic rubber fenders are made of the synthetic-cord-reinforced rubber sheet with compressed air inside. The insider air can enable it to float on the water and work as a shock absorbed between two ships (ship-to-ship), or between ships and berthing structures when they come alongside each other on the water. All Doowin Marine Yokohama type floating pneumatic rubber fenders are manufactured and tested fully compliant with ISO 17357

Floating pneumatic rubber fenders can be easily handled and installed with guy-rope or guy-chain because of their lightweight. It can resist the shearing force and maintain energy absorption level under inclined compression up to 15 degrees. Meanwhile, provide low and comparatively even hull pressure.

Consisted of several synthetic-cord layers and tough abrasion-resistant rubber, they have consistent performance even under rough conditions and cyclic load. The maintenance cost and damage risk are minimized too. The best material also ensures self-buoyancy and extremely long service life.

Pneumatic fenders are available from 500 mm to 4,500 mm in diameters, and from 500 mm to 9,000 mm in length. All sizes of pneumatic rubber fenders are available as sling-type or with a heavy-duty chain & tire net. We also supply vertical hydropneumatic fenders for submarines. Foam filled fenders are floating fenders too.

Key Features
  • Lightweight design for easy handling and installation with guy-rope or guy-chain
  • Maintains energy absorption level under inclined compression up to 15 degrees
  • Provides low and even hull pressure distribution
  • Multiple synthetic-cord layers with tough abrasion-resistant rubber for consistent performance
  • Minimized maintenance costs and damage risk
  • Self-buoyancy and long service life
Construction Components
  • Outer Rubber: Protects cord layers and inner rubber from abrasion with excellent tensile and tear resistance
  • Tire Cord Layers: Reinforcement layer that maintains internal air pressure integrity
  • Inner Rubber: Seals the pressurized air within the fender structure
Close-up view of pneumatic rubber fender construction layers
Technical Specifications
Pressure Ratings:
  • Pneumatic 50 (P50): Initial internal pressure 50kPa
  • Pneumatic 80 (P80): Initial internal pressure 80kPa
Fender Types:
  • Type I - Net Type: Covered with 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 chain or rope, without protection net
Different types of pneumatic rubber fenders
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 Hull Pressure (kN/m²)
500x1000664132885174
600x10008741261198166
1000x15003218212245239160
1000x20004525713263338174
1200x20006329712688390166
1350x2500102427130142561170
1500x3000153579132214761174
1700x3000191639128267840168
2000x35002088751284301150168
2500x400066313811379251815180
2500x5500943201914813172653195
3300x45001175188413016402476171
3300x65001814301514625323961179
Applications
  • Ports with extreme tidal variations
  • Ship-to-ship lightering operations
  • Oil & Gas (typically FSRU)
  • Temporary berthing
Product Advantages
  • ISO 17357:2002 Compliant: Manufactured and tested to meet international standards
  • Soft Reaction Force: Doesn't increase sharply under excess load conditions
  • 15° Inclined Berthing: Maintains energy absorption at angles up to 15 degrees
  • Shear Force Resistance: Reinforced with strong tire-cord for combined force resistance
  • Tide Adaptability: Floats freely to accommodate tidal range and ship movement
  • Low Maintenance: Minimal air leakage requires only annual pressure checks
  • Cost Effective: Simple installation and low maintenance requirements
Note: Floating pneumatic rubber fenders are sometimes referred to as "Yokohama Fenders" or "Yokohama type fenders" - ISO 17357:2002 Ships and marine technology -- High-pressure floating pneumatic rubber fenders.

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