Hongruntong Marine Co., Ltd.
| Payment Terms | L/C,D/A,D/P,T/T,Western Union,MoneyGram |
| Supply Ability | 1200 Units Per Months |
| Delivery Time | 5-6 Work Days |
| Packaging Details | Wooden Pallets, Wooden Cases or as Required |
| Product Name | Submarine Fenders |
| Advantage | Customized, Original Factory |
| Warranty | 36 Months |
| Material | Top Level Natural Rubber |
| Pressure | 50 KPA ~ 80 KPA |
| Application | Dock |
| Diameter | 0.5 ~ 4.5m |
| Length | 1 ~ 12m |
| Standard | ISO17357:2014 |
| Brand Name | Hongruntong Marine |
| Model Number | HM-SF16 |
| Certification | ISO, BV, ABS, DNV, LR, SGS, CCS, RMRS |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C,D/A,D/P,T/T,Western Union,MoneyGram | Supply Ability | 1200 Units Per Months |
| Delivery Time | 5-6 Work Days | Packaging Details | Wooden Pallets, Wooden Cases or as Required |
| Product Name | Submarine Fenders | Advantage | Customized, Original Factory |
| Warranty | 36 Months | Material | Top Level Natural Rubber |
| Pressure | 50 KPA ~ 80 KPA | Application | Dock |
| Diameter | 0.5 ~ 4.5m | Length | 1 ~ 12m |
| Standard | ISO17357:2014 | Brand Name | Hongruntong Marine |
| Model Number | HM-SF16 | Certification | ISO, BV, ABS, DNV, LR, SGS, CCS, RMRS |
| Place of Origin | China | ||
| High Light | Submarine fenders with low reaction force ，Wear resistant submarine fenders ，Marine docking shock buffer fenders | ||
Hongruntong Marine Submarine Fenders are high-performance marine protection systems designed for submarine docking operations, underwater maintenance facilities, offshore engineering platforms, and specialized shipyard applications.
Manufactured using premium marine-grade rubber compounds combined with reinforced synthetic elastomers, these fenders deliver excellent energy absorption performance, low reaction force, and superior resistance to harsh marine environments.
The advanced structural design allows the fenders to absorb heavy berthing impact while minimizing concentrated pressure on submarine hull surfaces. This is especially important for modern submarines equipped with sensitive outer coatings and precision structural components.
A European submarine overhaul facility upgraded its docking infrastructure after experiencing excessive vibration transfer and hull coating wear during berthing operations for 5,000-ton submarines. Hongruntong Marine supplied a customized submarine fender system with reinforced cylindrical rubber units and enhanced compression recovery capability. After installation, docking stability improved significantly, vibration transfer to dock structures was reduced, and the customer reported lower maintenance costs and more efficient vessel positioning procedures during daily operations.
| Parameter | Value |
|---|---|
| Product Name | Submarine Fenders |
| Material | SBR, NR |
| Size Available | 3.3*10.6M |
| Tensile Strength | ≥ 18 MPA |
| Density | 90+/-5 |
| Color | 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 (mm x mm) | Initial Internal Pressure (kPa) | Ship Radius (mm) | Water Ratio (%) | Guaranteed Energy Absorption (kJ) | Reaction Force at GEA (kN) | Hull Pressure at GEA (kPa) | Deflection at GEA (%) |
|---|---|---|---|---|---|---|---|
| 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 |
Hongruntong Marine Submarine Fenders are engineered to provide excellent energy absorption while maintaining controlled reaction force during docking procedures. The internal rubber structure is carefully designed to deform progressively under impact, allowing docking energy to dissipate smoothly across the fender body instead of concentrating pressure on a single contact point. This reduces stress on submarine hull structures and minimizes the possibility of coating damage or structural fatigue.
Repeated docking operations can reduce the effectiveness of ordinary marine fenders over time. Hongruntong Marine uses advanced rubber compounding technology and precision vulcanization processes to ensure excellent elastic recovery after repeated compression cycles. The fenders maintain stable dimensions, consistent energy absorption performance, and reliable structural integrity even under intensive operational schedules.
Marine environments expose docking systems to continuous seawater contact, UV radiation, ozone, humidity, and temperature fluctuations. Hongruntong Marine Submarine Fenders are manufactured using anti-aging rubber compounds specifically developed for long-term marine exposure. The rubber structure resists cracking, hardening, abrasion, and environmental degradation even after years of operation in coastal and offshore environments.
Different docking facilities require different installation methods depending on berth structure, submarine size, tidal conditions, and operational requirements. Hongruntong Marine provides customized installation solutions including suspended chain systems, fixed mounting structures, modular support frames, and reinforced connection assemblies.
Company Details
Business Type:
Manufacturer
Year Established:
1988
Total Annual:
7,462,700-11,940,300
Employee Number:
300~500
Ecer Certification：
Verified Supplier
HONGRUNTONG MARINE Welcome to Hongruntong Marine, your trusted source for professional rubber fender solutions. With expertise in manufacturing high-quality marine fenders, we are committed to providing reliable protection for your vessels during berthing operations. Our dedication to e... HONGRUNTONG MARINE Welcome to Hongruntong Marine, your trusted source for professional rubber fender solutions. With expertise in manufacturing high-quality marine fenders, we are committed to providing reliable protection for your vessels during berthing operations. Our dedication to e...
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