Cylindrical Marine Rubber Fenders - Versatile Heavy Duty Dock and Jetty Protection Systems
Product Overview: What is a Cylindrical Marine Rubber Fender?
Cylindrical marine rubber fenders are the most classic time tested and versatile solid rubber protection systems utilized in modern maritime activities worldwide. Featuring a simple yet highly efficient hollow thick wall design these extruded rubber cylinders are engineered to absorb kinetic energy and minimize the reaction force generated during vessel berthing operations.
Our cylindrical dock fenders feature progressive load deflection which means the fender provides a smooth gradual increase in resistance as the ship compresses the structure under impact. This specific characteristic ensures maximum hull protection and significantly improves the structural safety of the port infrastructure accommodating vessels of vastly different sizes.

Wide Array of Port and Engineering Applications
Due to their exceptional adaptability and budget friendly profile solid cylindrical jetty fenders are widely deployed across multiple marine environments including
Bulk cargo berths and general cargo quays
Fishing harbor infrastructure and workboat berths
Floating pontoons and tidal passenger structures
High frequency roll on roll off or roro terminals and ferry docks
Tugboat bows and specialized vessel havens


Key Features and Performance Benefits
Low Initial Reaction Force Provides a smooth compression curve that exerts minimal surface pressure against vulnerable vessel hulls.
Multi Directional Movement Adaptation Offers strong structural adaptability to both transverse and vertical shaking or rolling motions while the ship is moored at berth.
Flexible Installation Configurations Unlike other rigid fender profiles cylindrical models possess the unique advantage of being installed diagonally in addition to standard vertical or horizontal arrangements to match specific quay layouts.
Superior Environmental and Chemical Resistance Formulated with premium elastomer compounds that offer excellent resistance to intense sunlight ultraviolet radiation ozone cracking and constant seawater exposure.
Immense Chemical and Thermal Stability Demonstrates highly reliable resistance to alkalis acids industrial steam and chemical spills with a stable operational temperature range extending from minus 60 degrees Fahrenheit to positive 150 degrees Fahrenheit.
Long Operational Service Life Extremely durable engineering design results in low maintenance costs and extended trouble free deployment.
Technical Specifications of Cylindrical Dock Fenders
| Fender Size Designation | Outer Diameter in millimeters | Inner Diameter in millimeters | Approximate Weight in kilograms per meter | Standard Available Lengths |
| CY 150 x L | 150 | 75 | 16 | All custom lengths can be supplied to meet specific customer project requests |
| CY 200 x L | 200 | 100 | 39 | All custom lengths can be supplied to meet specific customer project requests |
| CY 250 x L | 250 | 125 | 46 | All custom lengths can be supplied to meet specific customer project requests |
| CY 300 x L | 300 | 150 | 66 | All custom lengths can be supplied to meet specific customer project requests |
| CY 350 x L | 350 | 175 | 90 | All custom lengths can be supplied to meet specific customer project requests |
| CY 400 x L | 400 | 200 | 118 | All custom lengths can be supplied to meet specific customer project requests |
| CY 500 x L | 500 | 250 | 184 | All custom lengths can be supplied to meet specific customer project requests |
| CY 600 x L | 600 | 300 | 265 | All custom lengths can be supplied to meet specific customer project requests |
| CY 700 x L | 700 | 350 | 361 | All custom lengths can be supplied to meet specific customer project requests |
| CY 800 x L | 800 | 400 | 471 | All custom lengths can be supplied to meet specific customer project requests |
| CY 900 x L | 900 | 450 | 596 | All custom lengths can be supplied to meet specific customer project requests |
| CY 1000 x L | 1000 | 500 | 736 | All custom lengths can be supplied to meet specific customer project requests |
| CY 1100 x L | 1100 | 550 | 890 | All custom lengths can be supplied to meet specific customer project requests |
| CY 1200 x L | 1200 | 600 | 1060 | All custom lengths can be supplied to meet specific customer project requests |
| CY 1300 x L | 1300 | 650 | 1244 | All custom lengths can be supplied to meet specific customer project requests |
| CY 1400 x L | 1400 | 700 | 1442 | All custom lengths can be supplied to meet specific customer project requests |
| CY 1500 x L | 1500 | 750 | 1656 | All custom lengths can be supplied to meet specific customer project requests |
| CY 1600 x L | 1600 | 800 | 1884 | All custom lengths can be supplied to meet specific customer project requests |
| CY 1700 x L | 1700 | 850 | 2127 | All custom lengths can be supplied to meet specific customer project requests |
| CY 1800 x L | 1800 | 900 | 2384 | All custom lengths can be supplied to meet specific customer project requests |
| CY 1900 x L | 1900 | 950 | 2657 | All custom lengths can be supplied to meet specific customer project requests |
| CY 2000 x L | 2000 | 1000 | 2944 | All custom lengths can be supplied to meet specific customer project requests |
Our standard production sizes span from an outer diameter of 0.15 meters with an inner diameter of 0.075 meters up to a maximum outer diameter of 2.0 meters with an inner diameter of 1.0 meter.

Versatile Installation Methods and Mounting Hardware
Cylindrical rubber fenders are straightforward to deploy and maintain. The choice of mounting hardware depends primarily on the physical size and weight of the fender unit being utilized. Common engineering installation methods include
Chain Suspension Systems Ideal for heavy large diameter cylindrical fenders allowing free floating movement.
Central Steel Supporting Bars Standard method passing a central steel core bar through the hollow inner core of the fender.
Heavy Duty Brackets and Anchors Used to securely fix shorter segments directly to concrete quay walls.
Integrated Ladders Specialized architectural layouts where the fender doubles as an emergency escape path for port workers.
About Qingdao Florescence Marine Supply Company
Established in 1992 Qingdao Florescence Marine Supply Company is a premier manufacturer specializing in the research development and high volume production of pneumatic rubber fenders foam filled fenders various solid ship dock rubber fenders and heavy duty ship launching salvage rubber airbags.
All Florescence marine products are fully designed manufactured and strictly certified in compliance with international ISO 9001 2015 quality management systems requirements. To ensure absolute conformity with international maritime laws every manufactured unit is robustly built to satisfy the stringent verification guidelines of global ship classification societies and marine surveyors including CCS BV RS ABS and LR.
Florescence is a highly trusted strategic partner and official equipment supplier for numerous naval defense organizations worldwide including the Bangladesh Navy France Navy Greece Navy Thailand Navy Italy Navy and Philippines Navy.
Comprehensive Range of Marine Rubber Fender Types
In addition to our standard cylindrical models Florescence engineers a full portfolio of industrial maritime fender systems to meet diverse berthing needs
Yokohama type pneumatic rubber fenders
High compression cone fenders and cell fenders
D shaped and square shaped rubber fenders
Arch and V type quay fenders
Heavy duty tugboat fenders and roller fenders
FAQ
Q1: Which marine fender types do you supply?
A: We supply cone fenders, cell fenders, arch fenders, cylindrical fenders, D fenders, tugboat fenders, foam filled fenders, pneumatic fenders, W type fenders, and square fenders.
Q2: Which countries do you export to?
A: Our products have been exported to more than 140 countries including Southeast Asia, the Middle East, Africa, South America, and Europe, etc. We have experience serving ports, shipyards, marine contractors, and offshore projects worldwide.
Q3: Can you provide customized products?
A: Yes. We support OEM and customized production according to customer drawings, technical specifications, vessel size, berth conditions, and project requirements.
Q4: How do you select suitable marine fenders?
A: Fender selection depends on vessel size, berthing energy, tidal variation, berth structure, and operational conditions.
Q5: Can fenders be supplied with accessories?
A: Yes. Complete systems can include anchor bolts, chains, shackles, frontal panels, UHMW-PE pads, and installation brackets.
Q6: What anti-corrosion treatments are available?
A: Available treatments include hot-dip galvanizing, epoxy coating, marine paint systems, and zinc-rich primer coating.
Q7: Do you provide installation guidance?
A: Yes. We provide installation drawings, technical manuals, anchor layout recommendations, and remote engineering support.
Q8: How often should marine fenders be inspected?
A: Regular inspection is recommended for rubber condition, bolt tightness, chain wear, corrosion status, and panel alignment.
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