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Dock Inflatable Rubber Fenders

SunKai factory's Dock Inflatable Rubber Fenders are professional marine protective devices specially designed for dock berthing and marine collision prevention, serving as a core safety guarantee for port operations, ship berthing and offshore facility protection. As a specialized brand with its own factory, SunKai focuses on producing high-quality inflatable rubber fenders, which are widely applicable to various marine scenarios, including port and dock berthing, ship-to-ship collision prevention, and protection of fixed marine structures. These fenders are crafted with meticulous production processes and strict quality control, ensuring reliable performance and stable protection, making them an ideal choice for global clients who pursue safety, durability and cost-effectiveness.

Core Function

The core function of this Rubber Fenders is to absorb and disperse impact energy, effectively reducing damage caused by collisions between ships, docks and other marine facilities. They are suitable for large vessels such as cargo ships, container ships and tankers during dock berthing, as well as small boats like yachts and sightseeing boats. Additionally, they can be used for collision prevention between ships during close-range operations (such as cargo unloading, refueling and supply delivery) and protection of large fixed structures like bridge piers, offshore platforms and floating docks, minimizing maritime accidents and extending the service life of ships and facilities.

Product Advantages

- Excellent Impact Absorption & Protection Effect: The inflatable structure design enables the fenders to effectively absorb and disperse impact energy, whether it is ship berthing at docks or collision prevention between ships, it can minimize damage to ship steel plates, dock structures, ship paint and equipment, and reduce the risk of maritime accidents.

- Versatile Application Scenarios: Widely applicable to port and dock berthing, ship-to-ship collision prevention during close-range operations, and protection of fixed marine structures such as bridge piers and offshore platforms. It is suitable for large vessels (cargo ships, container ships, tankers) and small boats (yachts, sightseeing boats), meeting diverse protection needs.

- Strict Quality Control & Stable Performance: SunKai has many years of experience in the marine fender industry, with meticulous production processes and strict quality control systems. All Dock Inflatable Rubber Fenders have passed ISO 9001-2008 quality certification and IACS quality authentication from authoritative institutions such as CCS, BV, GL, ABS and LG, ensuring consistent and reliable product performance.

- Cost-Effective & Direct Factory Supply: As a direct factory supplier, we eliminate middlemen, adopt a competitive pricing strategy, and provide high-quality inflatable rubber fenders at affordable prices. While ensuring product quality, we help customers significantly reduce procurement costs and obtain greater economic benefits.

- Strong Customization Capability: We have our own factory and strong customization capabilities, which can produce inflatable rubber fenders of various specifications and models according to the specific needs of global customers, perfectly matching different application scenarios and user needs.

- Lightweight & Easy to Use: The fenders are lightweight in design, convenient to install, disassemble and transport. For small boats such as yachts and sightseeing boats, they are more flexible and easy to use, reducing the difficulty of operation and maintenance.

Marine Inflatable Rubber Fenders

Ensuring the safety of your vessel and dock infrastructure is paramount, and the right fendering system is a critical component. Our premium Marine Rubber Fenders for Boats are engineered specifically for this purpose, offering superior energy absorption and durability. For applications demanding maximum resilience against high-impact berthing forces, our Heavy Duty Rubber Fenders are the ideal solution, constructed to withstand the harshest marine environments. Reliable Marine Fenders for Ship Protection are essential for safeguarding hull integrity during docking, while our robust Offshore Marine Fenders are designed to perform reliably in the demanding conditions of open-water structures. Our comprehensive range is built to exceed industry standards, providing long-lasting protection and peace of mind.


Engineered for optimal performance and longevity, our Inflatable Rubber Fenders offer a versatile and effective solution for a wide range of berthing scenarios. Utilizing high-strength, abrasion-resistant rubber compounds, these fenders are designed to absorb significant kinetic energy, minimizing stress on both the vessel and the dock. The inflatable design allows for easy customization of pressure to suit specific load requirements and environmental conditions, ensuring consistent protection. Dock Inflatable Rubber Fenders are particularly valued for their high energy absorption-to-weight ratio, making them easier to handle and install compared to many solid fender types. They are suitable for various applications, from small marinas and yacht clubs to commercial ports and temporary mooring setups.

Key Specifications & Technical Data

Understanding the precise specifications of your fendering is crucial for proper selection. Below are the core parameters that define our Dock Inflatable Rubber Fender series.

Performance Comparison Table

This table compares the performance characteristics of different models within our Dock Inflatable Rubber Fender line to help you identify the most suitable product for your needs.

Model Code Diameter (cm/in) Length (cm/in) Energy Absorption (kJ/ft-lbf) Reaction Force (kN/lbf) Recommended Vessel Displacement (Tons)
DIRF-400 40 cm / 15.7" 200 cm / 78.7" 85 kJ / 62,700 ft-lbf 180 kN / 40,500 lbf Up to 500
DIRF-600 60 cm / 23.6" 250 cm / 98.4" 190 kJ / 140,100 ft-lbf 310 kN / 69,700 lbf 500 - 1,500
DIRF-800 80 cm / 31.5" 300 cm / 118.1" 350 kJ / 258,100 ft-lbf 480 kN / 107,900 lbf 1,500 - 3,500
DIRF-1000 100 cm / 39.4" 400 cm / 157.5" 620 kJ / 457,200 ft-lbf 720 kN / 161,800 lbf 3,500+

Proper installation and regular maintenance are essential for maximizing the service life of your fenders. Always ensure the fender is inflated to the manufacturer's recommended pressure and securely fastened using appropriate, corrosion-resistant hardware. Regularly inspect for signs of wear, cuts, or abrasion, and clean the surface with mild soap and water to prevent the buildup of contaminants that could degrade the rubber over time.

Why Choose Us

- Professional Brand & Rich Industry Experience: SunKai is a specialized brand focusing on Dock Inflatable Rubber Fenders, with many years of industry experience. We have a deep understanding of product technology and market demand, and have accumulated rich experience in production, R&D and service, providing reliable product support for global customers.

- Own Factory & Advanced Production Strength: We operate our own factory, equipped with a complete set of professional production and testing equipment, including Pressure Testing Machine, Vulcanization Container, High Pressure Internal Mixer, Open Rubber Mixing Machine, Rubber Rolling Production Line and Environmental-type Boiler. Advanced production technology and complete facilities ensure the stability of product quality and the ability to meet large-scale and customized production needs.

- Strict Quality Assurance System: We adhere to the concept of "technological innovation as the engine and excellent quality as the cornerstone", and establish a strict quality control system covering the entire process from raw material procurement, production and processing to product delivery. Each product undergoes rigorous testing before leaving the factory to ensure that it meets international marine product quality standards.

- Competitive Pricing & Flexible Cooperation: Direct factory supply eliminates intermediate links, ensuring that customers can obtain high-quality products at competitive prices. We adopt flexible cooperation policies, with a minimum order quantity of 1, suitable for both large-scale procurement and small-batch trial orders; the payment term is 60% deposit when placing the order and the balance when the goods are shipped, reducing customers' capital pressure.

- Comprehensive Full-Cycle Service: We provide a complete pre-sales, in-sales and after-sales service system. Pre-sales, we provide professional consultation and technical support to help customers choose suitable product specifications; in-sales, we timely feed back production progress and ensure on-time delivery with intact packaging; after-sales, we provide product maintenance guidance and free repair services for quality problems within the warranty period, solving customers' worries in use.

- Global Customization & Reliable Support: We have strong customization capabilities and can tailor products of various specifications and models according to the needs of customers in China and around the world. We adhere to the principle of mutually beneficial cooperation, and are committed to providing high-quality products and perfect services for global customers, ensuring marine safety together.

Contact us for high-quality Dock Inflatable Rubber Fenders!


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