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Submersible Dock Fenders Abrasion Resistant Low Maintenance Customizable Sizes

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USD2 to 250 Per Piece
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Submersible Dock Fenders Abrasion Resistant Low Maintenance Customizable Sizes
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Features
Specifications
Product Name: Submarine Fenders
Advantage: Customized, Original Factory
Material: Top Level Natural Rubber
Warranty: 36 Months
Application: Submarine Dock
Pressure: 50 KPA ~ 80 KPA
Diameter: 0.5 ~ 4.5m
Length: 1 ~ 12m
Standard: ISO17357:2014
Highlight:

submersible dock fenders abrasion resistant

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submarine fenders low maintenance

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customizable dock fenders sizes

Basic Infomation
Place of Origin: China
Brand Name: Hongruntong Marine
Certification: ISO, BV, ABS, DNV, LR, SGS, CCS, RMRS
Model Number: HM-SF7
Payment & Shipping Terms
Packaging Details: Wooden Pallets, Wooden Cases or as Required
Delivery Time: 5-6 Work Days
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 7840 Units Per Months
Product Description

Submersible Dock Fenders Abrasion Resistant Low Maintenance Customizable Sizes

 

Description

 

Offshore oil, gas, and renewable energy projects often require submarine-class submersibles for inspection, repair, and installation work on subsea infrastructure. These vessels must dock with offshore platforms or support ships in challenging conditions. Submarine Fenders for offshore applications are built to withstand storms, heavy swells, and constant saltwater exposure. They are typically made from heavy-duty rubber or foam-filled materials with reinforced mounting systems that resist detachment even under high loads.

 

( Case: An offshore wind farm maintenance crew operated a hybrid support vessel equipped with a small submarine for turbine foundation inspections. The sub needed to dock alongside the vessel in open water, where wave height could reach 2 meters. Engineers installed cylindrical foam-filled submarine fenders with steel cores to the docking bay. On one mission, the weather worsened quickly, and the docking took place in rough seas. The fenders’ shock-absorbing design allowed the submarine to make contact without damage, even as the vessel and sub moved independently in the swell. The crew completed the operation safely and credited the fenders with preventing structural harm to the sub’s pressure hull. ) 

 

 

Specifications

 

Material SBR, NR
Size Available 3.3*10.6M
Tensile Strength => 18 MPA
Density 90+/-5
Colour Black
Application Submarine, ferry, oil rigs and so on
Hardness 40-70 Shore A
Elongation => 400
Tear Strength => 400 N/cm
Breaking Strength >310

Chemical Resistance

 

 

 

 

Fuel A: No deterioration
Oil 3: No deterioration
Lubricating oil: No deterioration
Cutting oil: No deterioration
Dilute HCL: No deterioration

 

Diameter x
Length
Initial
Internal
Pressure
Ship
Radius
Water
Ratio
Guaranteed
Energy
Absorption
Reaction
Force
at GEA
Hull
Pressure
at GEA
Deflection
at GEA
(mm x mm) (kPa) (mm) (%) (kJ) (kN) (kPa) (%)
1500 x 6100 50 3000 60% 131 562 140 51%
80 186 754 188
1700 x 7200 50 4000 65% 167 682 137 47%
80 239 918 184
2000 x 6000 50 4000 70% 135 544 131 41%
80 194 736 177
2500 x 5500 50 4500 65% 225 769 135 41%
80 322 1035 182
2500 x 7700 50 4500 70% 326 1016 136 41%
80 470 1368 183
3300 x 6500 50 4500 75% 307 887 127 35%
80 442 1203 173
3300 x 10600 50 5000 65% 1003 2137 142 47%
80 1429 2863 190
4500 x 9000 50 5000 60% 1439 2401 138 46%
80 2059 3228 185
4500 x 12000 50 6000 65% 1977 3198 141 46%
80 2819 4277 189

 

 

Characteristics

 

Non Marking Surface
Special outer layers prevent paint transfer or scuff marks on submarine hulls, preserving vessel appearance and reducing repainting costs.

 

Shock Absorbing Design
Internal structure distributes impact forces evenly, protecting delicate sensors and hull equipment.

 

Long Service Life
Engineered to withstand continuous marine exposure for 15+ years with minimal loss of performance.

 

Minimal Maintenance Requirements
Durable construction reduces the need for frequent inspections or repairs, lowering operational costs.

 

 

Applications

 

Submersible Vehicle Testing Ranges
Used in underwater vehicle test facilities to protect prototypes during trials near submerged obstacles.

 

Deep Sea Mining Operations
Cushion subsea mining vehicles and submarines when operating near seabed extraction equipment or storage modules.

 

Underwater Tunnel Habitat Protection
Deployed around submerged tunnels (e.g., under-construction tunnels) or underwater habitats (e.g., research labs) to prevent accidental impacts.

 

 

Advantages

 

State of the Art Production Facilities
Modern workshops equipped with automated molding, vulcanization, and precision machining systems to ensure consistency and quality in every unit.

 

Strict Quality Control System
Comprehensive QC procedures including raw material inspection, tensile testing, compression set tests, and full-scale performance simulation before shipment.

 

Certified Quality Standards
Our plant is ISO 9001 certified, with many products meeting or exceeding PIANC, ASTM, and ISO marine fender performance guidelines.

 

Premium Raw Materials
Use of marine-grade natural and synthetic rubbers, high-strength reinforcing fabrics, and corrosion-resistant steel hardware for maximum durability.

 

 

FAQ

 

1. Q: Are your fenders maintenance-free?
A: They require minimal maintenance—usually just periodic visual inspection and cleaning.

 

2. Q: Can your submarine fenders handle heavy berthing impacts?
A: Yes, they are engineered for high energy absorption, ensuring protection during heavy docking operations.

 

3. Q: Do you supply to naval and commercial clients?
A: Yes, our clients include navies, shipbuilders, research institutes, and offshore operators worldwide.

 

4. Q: How long is your production lead time?
A: Standard orders are completed in 4–8 weeks, while urgent orders can be prioritized for faster delivery.

 

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Get in touch with us
Contact Person : Mr. William Lau
Tel : +8618910539783
Fax : 86-10-8946-1910
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