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QINGDAO DOOWIN MARINE ENGINEERING CO., LTD.
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Unsinkable Marine Foam Filled Fenders 5m-24m Ocean Guard Donut Fender

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Unsinkable Marine Foam Filled Fenders 5m-24m Ocean Guard Donut Fender

Brand Name : DOOWIN MARINE

Model Number : Donut fenders

Certification : LR, BV, ABS, ect.

Place of Origin : China

MOQ : 1pc

Price : $ USD 100-3900

Payment Terms : D/P

Supply Ability : 10pcs/per week

Delivery Time : 2~3 weeks

Packaging Details : Pallet or Plywooden Box

Product Name : Foam Filled Fenders

Service Life : 6-10 years

Logo : According To Te Requirement

Usuage : Ship Boat Launching And Landing

Length : 5m-24m

Oem : Available

Metal Parts : Q355, SS304, SS316

Voltage : AC 220V/ DC 24V

Shape : Cylindrical

Packing : Nude Packing

Warranty : 24 months

Outer Material : Natural mixed rubber

Durability : High

Feature : Tyre Cord Rubber Layer

Weight Capacity : 10-50 tons

Coating : Polyurea spay

Size : Customizable

Structure : Out PE/EVA closed- foam filled fender

Out Skin : PU skin

Buoyancy : High

Specification : Dia 0.5m-4.5m, L 0.7m-9m/Customized

Lifespan : 7-10 Years

Warranty Period : 24 months

Temperature Range : From -60°C to 80°C

Execution Standard : ISO17357

Application : Use for harbor, offshore and ship-to-ship application

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Unsinkable Marine Foam Fenders Floating Offshore Foam Buoys Donut Fender


The Donut Fender is a specific type of foam fender. It is designed to simply slip over a stationary monopile and float freely around a pile. This allows the donut fender to maintain the same attitude in the water even where extreme tidal fluctuations occur. So Donut Fenders are an effective solution for simple berthing dolphins, guiding and turning structures.

Due to its construction, the fender floats up and down a single tubular pile with fluctuating water levels and freely rotates to help align or redirect ships when vessels berth and slide along the fender. Used as a turning dolphin, donut fenders can help ‘guide’ vessels in difficult berthing situations by rotating while under compression.

The Donut Fender is designed with a 100% closed-cell cross-linked foam core. The foam is unsinkable and cannot burst or deflate. The internal steel core of the donut fender is lined with long-lasting, low-friction UHWM bearing pads which need minimal maintenance. It facilitates the rotation of the donut fender around the pile. The Donut Fender skin is durable polyurethane elastomer reinforced with continuous nylon filaments.

Our Donut Fenders are custom designed for every application. The common Donut Fenders are available in diameters from 1,270 mm to 4,220 mm and a maximum pile diameter of 610 mm to 2,388 mm. The donut foam hardness, skin thickness, pile/fender diameter, and also height of the fender can be changed on request.


Floating Monopile Donut Foam Fender Features
Monopile Donut Foam Fenders

Unsinkable Marine Foam Filled Fenders 5m-24m Ocean Guard Donut FenderTOUGH OUTER SKIN
Donut fenders have a rugged polyurethane elastomer outer skin, with nothing to snag hull protrusions or dock fittings. To provide added strength, the thick skin is reinforced with nylon.

HIGH ENERGY ABSORPTION FOAM CORE
The foam core is high performance and quality closed-cell foam, combined with our speical laminating process, ensures the integrity of every fender core.

INNER STEEL TUBE
The central steel tube resists mooring load and provides a stable, non-abrasive core for the foam body. And engineered component, the central tube is a precise length.

UHMW PE PADS
The low-friction UHWM bearing pads which need minimal maintenance. It can help the float to freely rotates around a pile, rises and falls with water level.


Unsinkable Marine Foam Filled Fenders 5m-24m Ocean Guard Donut Fender



Donut Outer Dia

(mm)

Donut Outer Dia

(ft)

Pile Dia

(mm)

Pile Dia

(ft)

Energy Absorptio

(kNm)

Reaction Force

(kN)

Energy Absorption

(ft-kip)

Reaction Fore

(kip)

1270

4.2

610

2.0

7.2

116

1.6

7.9

1450

4.8

710

2.3

9.2

131

2.1

9.0

1520

5.0

762

2.5

10.5

140

2.4

9.6

1780

5.8

914

3.0

14.1

162

3.2

11.2

1910

6.3

995

3.3

16.4

175

3.7

12.0

2030

6.7

1067

3.5

18.6

186

4.2

12.8

2210

7.3

1185

3.9

22.3

204

5.0

14.0

2290

7.5

1219

4.0

23.6

210

5.3

14.4

2490

8.2

1345

4.4

28.0

229

6.3

15.7

2540

8.3

1372

4.5

29.3

234

6.6

16.0

2790

9.2

1524

5.0

35.3

256

7.9

17.6

2970

9.8

1636

5.4

40.1

273

9.0

18.7

3050

10.0

1676

5.5

42.1

280

9.5

19.2

3300

10.8

1829

6.0

49.5

304

11.1

20.8

3450

11.3

1933

6.3

54.6

319

12.3

21.9

3530

11.6

1981

6.5

57.2

327

12.9

224

3810

12.5

2134

7.0

65.9

350

14.8

24.0

3960

13.0

2241

7.4

72.1

366

16.2

25.1

4060

13.3

2286

7.5

75.1

374

16.9

25.6

4220

13.8

2388

7.8

81.3

389

18.3

26.7




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24m Ocean Guard Donut Fender

      
Quality Unsinkable Marine Foam Filled Fenders 5m-24m Ocean Guard Donut Fender for sale

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