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Cylindrical Marine Fenders are elastomeric marine protection components engineered to control contact loads between vessels and fixed or floating marine structures during berthing, maneuvering, mooring, and vessel transfer operations. The cylindrical configuration provides a continuous curved contact surface that allows controlled deformation under radial loading and accommodates variations in vessel position, contact angle, tidal elevation, and relative movement.
Case Study: Offshore Supply Base in Norway
A Norwegian offshore supply base serving the North Sea oil and gas sector required replacement fendering for a service quay used by platform supply vessels and offshore construction vessels. The facility operated year-round in challenging conditions including low temperatures, strong winds, tidal variation, and frequent vessel movement.
Cylindrical Marine Fenders were selected for their curved rubber geometry that accommodates changing contact positions and provides a resilient interface between vessel hulls and quay structures. The installation was completed section by section to maintain partial operational capability during the replacement process.
Post-commissioning results showed more uniform vessel contact during berthing operations, reduced concentrated loading, and improved maintenance accessibility with localized replacement capabilities.
Technical Specifications
Product Name
Cylindrical Marine Fenders
Material
Natural Rubber, NBR, EPDM
Standard
PIANC2002, HGT2866-2016
Size
ID: 75-1000mm; OD: 150-2000mm or Customized
Color
Red, Yellow, Blue, Black, White etc
Hardness
55 Shore A
Processing Service
Moulding, Cutting
Tensile Strength
≥18 MPA
Elongation at break
≥400%
Feature
Environmentally Friendly
Application
Dock, Port, Quay, Boat
Advantage
High Resilience
Quality
Long Lasting Life
Function
Shock Absorption
Service
Custom OEM ODM Service
Packaging
Inner Packing: Separate with Care Label + Tarpaulin or Batch in Transparent Plastic Film Outer Packing: Tarpaulin or Plastic Film
Model Specifications
Model
Length [mm]
Inside Diameter [mm]
Outside Diameter [mm]
HM-CMF150
Customized Length
75
150
HM-CMF200
Customized Length
100
200
HM-CMF250
Customized Length
125
250
HM-CMF300
Customized Length
150
300
HM-CMF400
Customized Length
200
400
HM-CMF500
Customized Length
250
500
HM-CMF600
Customized Length
300
600
HM-CMF700
Customized Length
350
700
HM-CMF800
Customized Length
400
800
HM-CMF900
Customized Length
450
900
HM-CMF1000
Customized Length
500
1000
HM-CMF1100
Customized Length
550
1100
HM-CMF1200
Customized Length
600
1200
HM-CMF1400
Customized Length
700
1400
HM-CMF1600
Customized Length
800
1600
HM-CMF1700
Customized Length
850
1700
HM-CMF1800
Customized Length
900
1800
HM-CMF1900
Customized Length
950
1900
HM-CMF2000
Customized Length
1000
2000
Key Features
Low-Temperature Performance: Specially formulated rubber compounds maintain stable deformation and recovery characteristics across varying temperature ranges, ensuring predictable performance in cold climate operations.
Dynamic Contact Accommodation: Curved geometry allows contact position to shift along the rubber surface, accommodating vessel movement and reducing localized stress concentrations.
Superior Abrasion Resistance: High-strength marine-grade rubber withstands repeated sliding contact and frictional forces, extending service life in high-traffic facilities.
Reinforced Structural Integrity: Compatible with various retaining systems including chains, ropes, and brackets for secure installation and consistent performance.
Applications
Offshore Supply Bases: Ideal for North Sea marine logistics facilities requiring reliable fendering under challenging environmental conditions.
Cold-Climate Shipyards: Suitable for northern coastal regions handling vessels with diverse dimensions and hull configurations.
Industrial Jetties and Energy Terminals: Perfect for power-generation terminals, offshore energy support bases, and coastal processing facilities.
Why Choose Hongruntong Marine
30+ Years Manufacturing Experience: Established expertise in marine rubber products with controlled manufacturing processes for consistent performance.
Engineering-Based Customization: Tailored solutions based on vessel characteristics, berth specifications, and environmental conditions.
Rigorous Quality Control: Comprehensive material testing, dimensional verification, and finished-product inspection for reliable performance.
International Project Support: Technical coordination, specification confirmation, and installation guidance for global projects.
Frequently Asked Questions
How does operating temperature affect Cylindrical Marine Fender performance?
Rubber stiffness and elasticity vary with temperature. For projects exposed to low or high temperatures, the rubber compound is selected according to the actual operating range to maintain consistent compression, recovery, energy absorption, and reaction-force characteristics within intended engineering parameters.
Can Cylindrical Marine Fenders be used where vessels slide along the fender surface?
Yes. The cylindrical geometry is suitable for applications involving relative sliding or changing contact positions. However, expected sliding frequency, contact pressure, hull surface condition, and abrasion conditions should be considered when selecting the rubber compound and fender configuration.
How should the retaining system be inspected?
Inspection should include chains, ropes, brackets, bolts, mounting fixtures, and connection points. The retaining system should remain secure and correctly positioned, with no excessive corrosion, deformation, looseness, or abnormal movement. The rubber body should also be checked for cracking, cuts, abrasion, and permanent deformation.
Can a cylindrical fender be customized for an existing berth?
Yes. Existing drawings, fender dimensions, installation photographs, mounting positions, water levels, and available clearance can be used to determine suitable customized configurations. The existing structure should be evaluated to confirm that proposed retaining arrangements can withstand expected loads.
What information is recommended when requesting a technical quotation?
Include vessel type and displacement, berthing velocity, berth dimensions, contact height, fender quantity, required diameter and length if known, installation orientation, operating temperature, environmental conditions, expected contact frequency, and available drawings or photographs. These parameters allow fender specification to be evaluated on an engineering basis.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
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...