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.
