Name: Pneumatic Rubber Yokohama Fender P50 P80 Inflatable Boat Fenders Customized
Brand: DOOWIN MARINE
Price: 200 USD

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Pneumatic Rubber Yokohama Fender P50 P80 Inflatable Boat Fenders Customized

Categories	Pneumatic Rubber Fenders
Brand Name:	DOOWIN MARINE
Model Number:	Sling type , Net type
Certification:	CCS BV certification ISO17357 ISO9001,ABS,DNV,LR,CCS
Place of Origin:	China
MOQ:	1pc
Price:	USD$200~11650$
Payment Terms:	T/T
Supply Ability:	10pcs/per week
Delivery Time:	2~3 weeks
Packaging Details:	Pallet or Plywooden Box
Product name:	Rubber Yokohama Fender
Color:	Black
Material:	Synthetic tire cord and rubber plies
Diameter:	0.5~4.5m
Length:	1~9m
Warranty period:	2 years
Type:	Net type, Sling type
Warranty:	24 months
Initial Pressure:	P50, P80
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:	7-10 years
Feature:	Soft Reaction Force,Adaptable to The Tide,Against Shearing Force,Aging Resistance,Lower Mooring Forces

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Company Info.

QINGDAO DOOWIN MARINE ENGINEERING CO., LTD.

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Product Details
Company Profile

Pneumatic Rubber Yokohama Fender P50 P80 Inflatable Boat Fenders Customized

Pneumatic Rubber Yokohama Fender Price Inflatable Boat Fender Customized Size Bumper Mooring

Floating pneumatic rubber fenders, commonly known as Yokohama fenders, are constructed from synthetic-cord-reinforced rubber sheets with compressed air inside. This design enables them to float on water and serve as effective shock absorbers between ships (ship-to-ship) or between ships and berthing structures during docking operations.

Pneumatic rubber fenders floating between ships

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.

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
Constructed with multiple synthetic-cord layers and abrasion-resistant rubber
Consistent performance under rough conditions and cyclic loads
Minimal maintenance requirements and damage risk
Available in diameters from 500 mm to 4,500 mm and lengths from 500 mm to 9,000 mm

Construction Components

Outer Rubber: Protects cord layers and inner rubber from abrasion and external forces with excellent tensile and tear resistance.
Tire Cord Layers: Reinforcement layer designed to maintain internal air pressure integrity.
Inner Rubber: Seals the pressurized air within the fender structure.

Close-up of pneumatic rubber fender construction

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 guy-rope

Applications

Ports with extreme tidal variations
Ship-to-ship lightering operations
Oil & Gas (typically FSRU)
Temporary berthing

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)
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

Advantages

Doowin-Marine pneumatic rubber fenders are manufactured and tested to comply with ISO 17357. Our Yokohama-type pneumatic fenders are produced using Korean manufacturing technology.

ISO 17357 Compliance: All pneumatic fenders are manufactured and tested to comply with ISO 15375 latest edition.

Soft Reaction Force: The reaction force doesn't increase sharply, even under excess load conditions, protecting ships and mooring facilities.

15° Inclined Berthing: Energy absorption doesn't decrease at inclined compression up to 15 degrees.

Against Shearing Force: Reinforced with strong tire-cord to cope with combined shearing forces.

Lower Mooring Forces: Safely protects ships and mooring facilities even in rough weather conditions.

Adaptable to Tide: Floats freely to accommodate tidal range and ship's vertical movement.

Low Cost Installation: Can be moored simply with guy rope or chain and easily relocated.

Low Maintenance Cost: Minimal air leakage requires only annual pressure checks.

Ship Cost Minimization: Packed and shipped in containers or on pallets in vacuumed, folded state.

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