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The D-Type Rubber Fender (DD Series) is a high-performance marine protection solution engineered by China Marine Rubber, specialized in safeguarding docks, vessels, and marine structures. With a distinctive D-shaped outer profile and a D-shaped central bore (DD design), this marine rubber fender stands out for its robust structure and reliable impact absorption. Certified by BV, it meets international quality standards, making it ideal for frame docks, tugs, workboats, and small craft facilities. Its compact bottom width ensures easy integration into various marine setups, while the availability of standard and customized sizes (including pre-curved options) caters to diverse project requirements. Whether for inland waterways or coastal marinas, the DD Series Fender delivers consistent protection against collisions, minimizing damage to hulls and dock infrastructure.
Specification | A (mm) | B (mm) | C (mm) | D (mm) | h (mm) | øE (mm) | øF (mm) | G (mm) | H (mm) | Flat Bar (mm) | Bolt Size | Weight (kg/m) |
DD100 | 100 | 100 | 50 | 50 | 25 | 40 | 20 | 100-150 | 200-300 | 40x8 | M16 | 8.7 |
DD150 | 150 | 150 | 75 | 75 | 37.5 | 50 | 25 | 100-150 | 200-400 | 60x10 | M20 | 19.6 |
DD200 | 200 | 200 | 100 | 115× | 35× | 60 | 30 | 100-150 | 300-500 | 80x14 | M24 | 32.9 |
DD200 | 200 | 200 | 100 | 100 | 50 | 60 | 30 | 100-150 | 300-500 | 80x14 | M24 | 34.8 |
DD250 | 250 | 250 | 125 | 125 | 62.5 | 65 | 33 | 100-200 | 300-500 | 90x14 | M27 | 54.4 |
DD300 | 300 | 300 | 150 | 185× | 40× | 65 | 35 | 100-200 | 300-600 | 110x16 | M30 | 72 |
DD300 | 300 | 300 | 150 | 150 | 75 | 65 | 35 | 100-200 | 300-600 | 110x16 | M30 | 78 |
DD350 | 350 | 350 | 175 | 175 | 87.5 | 80 | 38 | 100-250 | 300-600 | 130x16 | M33 | 107 |
DD400 | 400 | 400 | 200 | 245× | 55× | 80 | 40 | 100-250 | 300-600 | 135x18 | M36 | 128 |
DD400 | 400 | 400 | 200 | 200 | 100 | 80 | 40 | 100-250 | 300-600 | 150x16 | M36 | 140 |
DD500 | 500 | 500 | 250 | 250 | 250 | 95 | 45 | 100-250 | 400-600 | 180x20 | M42 | 218 |
Prepare the mounting surface: Ensure the dock or vessel surface is clean, flat, and free of debris to guarantee secure attachment.
Align the fender: Position the D-Type Rubber Fender according to the project’s berthing angle, ensuring the D-shaped curve faces the vessel’s contact area.
Secure with fasteners: Use the specified flat bar and bolt size (per technical specs) to fix the fender, tightening bolts evenly to avoid deformation.
Verify alignment: After installation, check that the fender is level and securely attached, with no gaps between the fender and mounting surface.
Conduct monthly visual inspections for cracks, wear, or loose bolts, especially in high-traffic areas.
Clean the fender with fresh water to remove salt, dirt, or marine growth, preventing material degradation.
Replace worn flat bars or bolts promptly to maintain structural integrity.
For customized pre-curved fenders, avoid bending or modifying the structure post-installation.
The DD Series D-Type Fender holds BV certification, a globally recognized mark of compliance with marine safety and quality standards. Our manufacturing process adheres to strict quality control protocols, from raw material selection (high-grade marine rubber) to final product testing. Each fender undergoes impact resistance and durability tests to ensure it meets or exceeds industry requirements, providing reliable protection for marine assets.
We offer customization for size (length, width, and curvature), color, and mounting hardware. Contact our team with your specific requirements for a tailored solution.
Yes, the high-grade rubber material is resistant to both saltwater corrosion and freshwater erosion, making it suitable for all marine and inland waterway applications.
With proper installation and maintenance, the fender typically has a service life of 5-8 years, depending on usage frequency and environmental conditions.
While the fender is designed for easy installation, we recommend professional installation for large-scale projects to ensure optimal alignment and safety.
More Details about D Fender
The D-Type Rubber Fender (DD Series) is a high-performance marine protection solution engineered by China Marine Rubber, specialized in safeguarding docks, vessels, and marine structures. With a distinctive D-shaped outer profile and a D-shaped central bore (DD design), this marine rubber fender stands out for its robust structure and reliable impact absorption. Certified by BV, it meets international quality standards, making it ideal for frame docks, tugs, workboats, and small craft facilities. Its compact bottom width ensures easy integration into various marine setups, while the availability of standard and customized sizes (including pre-curved options) caters to diverse project requirements. Whether for inland waterways or coastal marinas, the DD Series Fender delivers consistent protection against collisions, minimizing damage to hulls and dock infrastructure.
Specification | A (mm) | B (mm) | C (mm) | D (mm) | h (mm) | øE (mm) | øF (mm) | G (mm) | H (mm) | Flat Bar (mm) | Bolt Size | Weight (kg/m) |
DD100 | 100 | 100 | 50 | 50 | 25 | 40 | 20 | 100-150 | 200-300 | 40x8 | M16 | 8.7 |
DD150 | 150 | 150 | 75 | 75 | 37.5 | 50 | 25 | 100-150 | 200-400 | 60x10 | M20 | 19.6 |
DD200 | 200 | 200 | 100 | 115× | 35× | 60 | 30 | 100-150 | 300-500 | 80x14 | M24 | 32.9 |
DD200 | 200 | 200 | 100 | 100 | 50 | 60 | 30 | 100-150 | 300-500 | 80x14 | M24 | 34.8 |
DD250 | 250 | 250 | 125 | 125 | 62.5 | 65 | 33 | 100-200 | 300-500 | 90x14 | M27 | 54.4 |
DD300 | 300 | 300 | 150 | 185× | 40× | 65 | 35 | 100-200 | 300-600 | 110x16 | M30 | 72 |
DD300 | 300 | 300 | 150 | 150 | 75 | 65 | 35 | 100-200 | 300-600 | 110x16 | M30 | 78 |
DD350 | 350 | 350 | 175 | 175 | 87.5 | 80 | 38 | 100-250 | 300-600 | 130x16 | M33 | 107 |
DD400 | 400 | 400 | 200 | 245× | 55× | 80 | 40 | 100-250 | 300-600 | 135x18 | M36 | 128 |
DD400 | 400 | 400 | 200 | 200 | 100 | 80 | 40 | 100-250 | 300-600 | 150x16 | M36 | 140 |
DD500 | 500 | 500 | 250 | 250 | 250 | 95 | 45 | 100-250 | 400-600 | 180x20 | M42 | 218 |
Prepare the mounting surface: Ensure the dock or vessel surface is clean, flat, and free of debris to guarantee secure attachment.
Align the fender: Position the D-Type Rubber Fender according to the project’s berthing angle, ensuring the D-shaped curve faces the vessel’s contact area.
Secure with fasteners: Use the specified flat bar and bolt size (per technical specs) to fix the fender, tightening bolts evenly to avoid deformation.
Verify alignment: After installation, check that the fender is level and securely attached, with no gaps between the fender and mounting surface.
Conduct monthly visual inspections for cracks, wear, or loose bolts, especially in high-traffic areas.
Clean the fender with fresh water to remove salt, dirt, or marine growth, preventing material degradation.
Replace worn flat bars or bolts promptly to maintain structural integrity.
For customized pre-curved fenders, avoid bending or modifying the structure post-installation.
The DD Series D-Type Fender holds BV certification, a globally recognized mark of compliance with marine safety and quality standards. Our manufacturing process adheres to strict quality control protocols, from raw material selection (high-grade marine rubber) to final product testing. Each fender undergoes impact resistance and durability tests to ensure it meets or exceeds industry requirements, providing reliable protection for marine assets.
We offer customization for size (length, width, and curvature), color, and mounting hardware. Contact our team with your specific requirements for a tailored solution.
Yes, the high-grade rubber material is resistant to both saltwater corrosion and freshwater erosion, making it suitable for all marine and inland waterway applications.
With proper installation and maintenance, the fender typically has a service life of 5-8 years, depending on usage frequency and environmental conditions.
While the fender is designed for easy installation, we recommend professional installation for large-scale projects to ensure optimal alignment and safety.
More Details about D Fender
