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QINGDAO DOOWIN MARINE ENGINEERING CO., LTD.
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Inflatable Dock Bumpers Monopile Donut Fender Foam Fenders For Boats

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Inflatable Dock Bumpers Monopile Donut Fender Foam Fenders For Boats

Brand Name : DOOWIN MARINE

Model Number : Inflatable Dock Bumpers

Certification : LR, BV, ABS, ect.

Place of Origin : China

MOQ : 1pc

Price : $ USD 100-3200

Payment Terms : T/T,L/C

Supply Ability : 100 pcs/week

Delivery Time : 2~3 weeks

Packaging Details : Pallet or Plywooden Box

Product Name : Inflatable Dock Bumpers Monopile Donut Fender Foam Fenders For Boats

Service Life : 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

Brand : DOOWIN

Service : OEM

Inner Foam : PE/EVA closed- foam filled fender

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Inflatable Dock Bumpers Monopile Donut Fender Foam Fenders For Boats
The Donut Fender is a specialized foam fender designed to slip over stationary monopiles and float freely around a pile. This unique design maintains consistent positioning in water, even with extreme tidal fluctuations, making it an effective solution for berthing dolphins, guiding structures, and turning applications.
Constructed to float up and down single tubular piles with changing water levels, the fender freely rotates to help align or redirect vessels during berthing. When used as a turning dolphin, donut fenders guide vessels in challenging berthing situations by rotating under compression.
Key Construction Features:
  • 100% closed-cell cross-linked foam core - Unsinkable and resistant to bursting or deflation
  • Internal steel core with durable UHMW bearing pads for minimal maintenance
  • Polyurethane elastomer skin reinforced with continuous nylon filaments for maximum durability
  • Customizable dimensions - Available in diameters from 1,270mm to 4,220mm with pile diameters from 610mm to 2,388mm
Floating Monopile Donut Foam Fender Features
Inflatable Dock Bumpers Monopile Donut Fender Foam Fenders For Boats
Tough Outer Skin
Donut fenders feature a rugged polyurethane elastomer outer skin designed to prevent snagging on hull protrusions or dock fittings. The thick skin is reinforced with nylon for added strength and durability.
High Energy Absorption Foam Core
The high-performance closed-cell foam core, combined with our specialized laminating process, ensures structural integrity and optimal energy absorption in every fender.
Inner Steel Tube
The central steel tube resists mooring loads while providing a stable, non-abrasive core for the foam body. This precision-engineered component is manufactured to exact specifications.
UHMW PE Pads
The low-friction UHMW bearing pads require minimal maintenance while allowing the float to rotate freely around piles and adjust to changing water levels.
Inflatable Dock Bumpers Monopile Donut Fender Foam Fenders For Boats
Technical Specifications
Donut Outer Dia (mm) Donut Outer Dia (ft) Pile Dia (mm) Pile Dia (ft) Energy Absorption (kNm) Reaction Force (kN) Energy Absorption (ft-kip) Reaction Force (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

Inflatable Dock Bumpers Monopile Donut Fender Foam Fenders For Boats


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Inflatable Dock Bumpers Monopile Donut Fender Foam Fenders For Boats Images

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