A Wide Range Of Rubber D type Fender

Key Highlights:
High Energy Absorption & Low Reaction Force: Optimized geometric design for superior vessel protection.
Extreme Versatility: Ideal for piers, pontoons, tugboats, and various marine applications.
Customizable Solutions: Pre-drilled, pre-curved, and chamfered options available for "Plug-and-Play" installation.

FLORESCENCE manufacture and supply a wide range of high quality, rubber D fenders. Our fenders are available in many different shapes and sizes in order to suit a variety of requirements. We can produce both hollow and solid fenders in sizes ranging from 20mm up to 500mm to ensure you get the perfect product for your unique application.

Rubber D fenders have become increasingly popular due to the high versatility and excellent protection that they offer. The fenders are designed to be securely attached to many surface types using bolts. Many of the D fenders we offer are available pre-drilled, which ensures that the bolts are evenly spaced out and also greatly reduces installation times. We also offer the option of providing your fenders pre-curved, chamfered and cut to specific lengths. This ensures that they maintain a perfect fit and allows you install the product as soon as it arrives.

DD Fenders

These fenders get their name from the D shape of the fender and the D shape of the inner hole. DD type fenders are some of the most common format of fenders which are used on marines and jetties all over the world. These fenders are drilled straight down through the center in order to bolt the fender to the desired surface.

DO Fenders

DO type fenders are similar in design to DD fenders however, these fenders feature a round shaped hole running through them. These particular fenders are drilled through the base, which enables you to bolt the fender into a channel. This makes them popular for use directly on sea vessels.

D type fender packing

Structural Classification
The D-Type Fender is one of the most widely used extruded rubber fenders globally. We offer two primary structural types based on the internal bore shape:
DD Fender (D-Shaped Outer / D-Shaped Inner):
Features a D-shaped internal bore. It is typically anchored directly to the surface with bolts through the center, providing exceptional stability for fixed structures like jetties.
DO Fender (D-Shaped Outer / O-Shaped Inner):
Features a circular (O-shaped) internal bore. Often installed using a flat bar or cylindrical rod, making it a preferred choice for vessel side-hull protection on tugs and barges.

Professional Advantage & Details
Advanced Compounding: Formulated with high-quality EPDM or Natural Rubber for superior UV, ozone, and seawater corrosion resistance (10-15 year service life).
Precision Pre-Processing: Factory pre-drilling ensures accurate hole spacing, significantly
reducing on-site labor costs and installation errors.
Solid vs. Hollow: For extreme heavy-duty applications, Solid D Fenders are available to
provide maximum impact resistance and zero risk of deformation.

D Type Fender FAQ

Q1: What is the main difference between DD and DO fenders, and how to choose?
A: DD fender features a D-shaped central hole – ideal for direct mounting on flat surfaces of docks or jetties. DO fender features a round base hole – more suitable for embedding into channels or direct installation on vessel sides. Selection depends on your mounting substrate structure.
Q2: Can non-standard lengths or curved shapes be customized?
A: Yes. FLORESCENCE offers pre-curving, chamfering, and cut-to-length services to ensure perfect fitting with curved ship sides or corner profiles of docks.
Q3: Is on-site drilling required before installation?
A: No. Our fenders support pre-drilling – bolt holes are evenly preset. You can fix them directly using bolts, significantly shortening installation lead time.
Q4: What are the typical applications for the minimum (20mm) and maximum (500mm) sizes?
A: 20mm size applies to small boats, lock gate edges, or equipment cushioning. 500mm size applies to large vessel terminals such as cruise ships, LNG carriers, and bulk carriers under high-load impact conditions.
Q5: Are the fenders resistant to seawater and UV exposure?
A: Yes. All fenders are manufactured from marine-grade rubber with excellent resistance to seawater corrosion, ozone, and UV aging – suitable for long-term outdoor and marine environment service.
Q6: How do I select the correct bolt size for installation?
A3: Bolt size correlates with fender height. For instance, a D300 fender typically requires M24 or M27 stainless/galvanized bolts. We provide full installation drawings and hardware kits upon request.
Q7: Can D Fenders replace Arch Fenders?
A4: D Fenders are best for tight spaces or medium-energy needs. For very large vessels, Arch Fenders are usually recommended due to their wider base and higher energy absorption capacity.

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