Superior Hull Coating Protection During Berthing Operations

The Mark-Free Smooth Type Pneumatic Fender is engineered for operations where protecting a vessel's premium exterior finish is as critical as absorbing berthing impact energy.

Key Benefits & Technical Advantages

Eliminates Black Tire & Rust Marks: The smooth contact surface prevents rubber transfers and metal rust stains, making it ideal for white-hulled cruise liners, passenger ships, and luxury yachts.

Reduces Coating Maintenance & Cost: Eliminating external net wear minimizes severe friction against high-value marine coatings, lowering long-term repainting and downtime costs.

High Energy Absorption, Low Reaction Force: Compressed air inside the sealed chamber cushions impacts evenly, reducing concentrated point-loads on both the hull and dock infrastructure.

Self-Adapting Floating Design: Naturally floats and rises/falls with changing water levels, eliminating the need for frequent manual repositioning.

Certified Marine-Grade Durability: Built with high-tensile synthetic tire-cord layers and UV-, seawater-, and ozone-resistant rubber compounds for reliable long-term service.

Compliance & Standards: Manufactured in strict accordance with ISO 17357-1:2014 (High-pressure floating pneumatic rubber fenders).

Typical Applications

Cruise Ship Terminals & Luxury Yacht Marinas: Maintains clean, mark-free hulls on high-value passenger vessels.

Naval Facilities & Defense Vessels: Provides secure impact protection without leaving cosmetic surface traces.

Ship-to-Ship (STS) Transfers: Ensures stable floating protection during lightering and offshore transfers.

Floating Docks & Offshore Support: Adapts seamlessly to fluctuating water depths and harsh marine environments.

Product Construction

Outer Rubber Layer: Smooth contact surface designed to withstand abrasion, sunlight, and seawater exposure.

Reinforcement Layer: Multiple synthetic tire-cord layers distribute internal stress and resist structural fatigue.

Inner Rubber Layer: Ensures superior air retention and stable long-term inflation pressure.

End Assemblies: Heavy-duty, corrosion-proof end fittings for easy inflation, monitoring, and tethering.

Selection Criteria & Custom Options

Engineering Selection Factors
To calculate the right fender size and energy capacity, our team considers:

Vessel displacement & maximum draft
Approach velocity & berthing angle
Dock structure type & water depth/tidal range
Operational mode (Ship-to-Berth vs. Ship-to-Ship)

Customization Options

Initial Pressure: Available in 50 kPa (Standard) or 80 kPa (High Energy) configurations.

Dimensions: Standard diameters/lengths or custom sizing to fit specific dock clearances.

Aesthetics & Branding: Custom rubber colors, identification markings, and protective covers.

Accessories: Complete inflation kits, pressure gauges, and lifting hardware available.

Quality Control & Logistics

Every fender undergoes strict quality verification prior to dispatch, including:

Raw Material Verification & Dimensional Inspection

Air-Tightness Testing & Pressure Retention Checks over extended periods

Final Inflation & Visual Inspection before export-grade packaging (supplied inflated or deflated to optimize freight cost).

FAQ

Q: What is the difference between a smooth pneumatic fender and a chain-tire-net pneumatic fender?

A: A smooth pneumatic fender has a continuous rubber outer surface without chains or tires. It is commonly selected for vessels where preventing paint damage and tire marks is an important consideration.

Q: Does the smooth surface reduce energy absorption?

A: No. Energy absorption is achieved by the compressed air inside the fender. The smooth outer surface changes the contact interface without altering the basic operating principle.

Q: Which vessels typically use mark-free pneumatic fenders?

A: They are commonly used for cruise ships, luxury yachts, naval vessels, research ships, offshore support vessels and other vessels with premium exterior coatings.

Q: Can the fender be used for ship-to-ship operations?

A: Yes. The floating design makes it suitable for both ship-to-ship and ship-to-berth applications.

Q: How often should the internal pressure be checked?

A: Regular inspection is recommended as part of routine maintenance. The inspection interval depends on operating conditions and the frequency of use.

Q: Can the fender be repaired if the outer rubber surface is damaged?

A: Minor damage can often be repaired using appropriate repair procedures. The recommended repair method depends on the extent and location of the damage.

Q: Can customized sizes and configurations be supplied?

A: Yes. Diameter, length, internal pressure, flange configuration, color and identification markings can be customized according to project requirements.

Q: What information is required before requesting a quotation?

A: To recommend a suitable model, it is helpful to provide the vessel type, displacement, berthing conditions, preferred dimensions, quantity and destination port.

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