Roller Dock Fenders Shock Absorbing Low Maintenance Long Lasting
Description
Roller fenders are advanced marine protection systems designed to absorb the kinetic energy of berthing vessels while minimizing hull and dock damage. Constructed from high-strength synthetic rubber and reinforced steel cores, roller fenders are engineered to withstand extreme maritime conditions including heavy impact, UV exposure, saltwater corrosion, and extreme temperatures. The unique rolling mechanism ensures that energy is absorbed evenly across the fender surface, allowing vessels to berth safely with reduced friction and minimal lateral forces. Ideal for high-traffic ports, oil terminals, shipyards, and bridge piers, roller fenders provide reliable protection, operational efficiency, and long-term durability.
Case Study
In 2023, a major container port in Singapore implemented Hongruntong Marine roller fenders on its newly expanded Terminal 4 docking berths. Prior to installation, the port experienced frequent minor hull damages on vessels docking in the high-traffic zone, resulting in delays and costly maintenance. The Hongruntong Marine team conducted a comprehensive site survey, analyzing vessel size, docking speed, and berth layout. Customized roller fenders with a diameter of 1.2 meters and reinforced steel cores were installed along the berth face.
Within the first six months, operational data indicated a 40% reduction in docking impact energy and zero hull damages reported on vessels over 50,000 DWT. Port operators observed smoother berthing with reduced tug assistance, lowering fuel consumption and turnaround time. The fenders maintained their structural integrity despite exposure to high salinity, monsoon rains, and continuous heavy traffic. This successful deployment demonstrated the roller fender’s capacity to improve port efficiency, vessel safety, and long-term operational cost savings.
Specifications
| Product Name | Roller Fenders |
| Material | High Density NR/NBR/SBR |
| Temperature | from -30°C to 70°C |
| Specific Gravity | 1.45 g/cm3 |
| Intensity | 3 MPA |
| Hardness | 65 ± 5 Shore A |
| Elongation | ≥300% |
| Size | D1080-2900mm |
| Package | By Pallets, By carton, By Iron Cage |
| Color | Black, as Required |
| Certificate | CE, ROHS, REACH, SGS, MSDS, ISO9001 |
| Experience | 32 years |
| Market | North America, Asia, Europe, South America, Australia, Africa. |
| Payment | BANK TRANSFER, 30% T/T, Balance Before Shipment, L/C. |
| Model No. | A | B | C | D | E | G | H | J | K | L |
| Roller | [mm] | [mm] | [mm] | [mm] | [mm] | [mm] | [mm] | [mm] | [mm] | [mm] |
| HM-RF1080 | 1250 | 1150 | 610 | 1080 | 1150 | 220 | 460 | 800 | 340 | 60 |
| HM-RF1450 | 1530 | 1400 | 740 | 1320 | 1450 | 260 | 510 | 950 | 400 | 75 |
| HM-RF1500 | 1600 | 1450 | 765 | 1370 | 1500 | 270 | 610 | 1000 | 425 | 75 |
| HM-RF1900 | 2050 | 1850 | 975 | 1750 | 1900 | 350 | 690 | 1250 | 500 | 125 |
| HM-RF2100 | 2300 | 2100 | 1110 | 1980 | 2100 | 400 | 765 | 1400 | 550 | 150 |
| HM-RF2700 | 3000 | 2700 | 1425 | 2550 | 2700 | 500 | 895 | 1800 | 700 | 200 |
Features
High Energy Absorption
The reinforced steel core combined with marine-grade rubber ensures optimal absorption of kinetic energy during berthing. The rolling action distributes forces evenly, preventing local stress points that could damage both vessels and dock structures. Laboratory testing under dynamic loads shows the fenders can absorb up to 95% of impact energy from 50,000 DWT container ships at typical berthing speeds.
Extreme Environmental Resistance
Roller fenders are designed to withstand prolonged exposure to UV radiation, saltwater, and temperature fluctuations. Special rubber compounds prevent degradation, cracking, or loss of elasticity even under tropical or subarctic conditions. The steel core is treated with anti-corrosion coatings, ensuring structural longevity in harsh marine environments.
Low Maintenance Design
Unlike traditional fixed fenders, the rolling mechanism reduces wear and tear, extending service intervals and lowering maintenance costs. Modular design allows individual rollers to be replaced without dismantling the entire fender system, minimizing downtime for ports or terminals.
Customizable Dimensions
Each roller fender can be tailored in diameter, length, and mounting configuration to suit specific berth requirements. Customization ensures compatibility with various vessel types, from small coastal ships to large container vessels and oil tankers. The system can be installed on piers, floating docks, or bridge piles.
Applications
High Traffic Container Ports
Protects both vessels and dock infrastructure from repeated impacts in busy berths. Reduces tug assistance and operational delays.
Oil and Gas Terminals
Suitable for large tankers requiring gentle yet robust berthing. Prevents structural stress on both berths and hulls.
Bridge and Harbor Piers
Ideal for locations where lateral forces can cause structural damage. Absorbs side impacts while maintaining vessel alignment.
Why Choose Hongruntong Marine
Proven Track Record
Over 20 years of experience designing and deploying marine fender solutions globally. Successfully installed systems in major ports across Asia, Europe, and the Americas.
Technical Expertise
In-house engineering team performs site surveys, structural analysis, and customized design to meet exact client requirements. Advanced simulations ensure fenders perform optimally under all operational conditions.
Quality Assurance
All materials are sourced from certified suppliers and meet international marine safety standards. Each fender undergoes rigorous quality control, including impact testing, UV exposure testing, and fatigue analysis.
Customer Support Service
Provides end-to-end support including installation guidance, maintenance training, and rapid response for replacements or technical issues. Commitment to long-term client satisfaction and operational efficiency.
FAQ
Q1: What vessels are compatible with roller fenders?
A: Roller fenders can accommodate vessels ranging from small ferries to ultra-large container ships and tankers, thanks to their customizable size and load capacity.
Q2: How often do roller fenders require maintenance?
A: Maintenance is minimal due to the rolling mechanism. Routine inspection every 6–12 months is recommended, with modular replacement of worn rollers if necessary.
Q3: Can roller fenders be installed on floating docks?
A: Yes, the design allows installation on fixed piers, floating docks, and bridge piles. Mounting brackets and dimensions are customized per site requirements.
Q4: Are the fenders resistant to saltwater corrosion?
A: Absolutely. The steel core is anti-corrosion treated and the rubber exterior is formulated to resist saltwater, UV, and temperature extremes.
Q5: What is the expected lifespan of a roller fender?
A: With proper installation and routine inspection, roller fenders can last 15–25 years depending on environmental exposure and traffic load.
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