D-type rubber fenders are cylindrical rubber units that are typically installed along the perimeter of docks, piers, or other maritime structures. Their cross-sectional shape resembles the letter "D," which is where they derive their name. The shape of these fenders allows them to absorb the kinetic energy of a vessel while offering minimal resistance. The design is relatively simple, with a flat mounting surface on one side and a curved outer surface that comes into contact with the ship. These fenders are often used in commercial ports, shipyards, and cargo terminals, where large ships frequently dock.

One of the primary advantages of D-type rubber fenders is their ability to absorb and dissipate the energy generated by ships during docking. When a vessel approaches a port or dock, the impact forces can be significant, especially when dealing with large ships or rough sea conditions. The rubber material of D-type fenders is highly effective at absorbing this energy, reducing the risk of damage to both the vessel and the dock structure. This helps prevent costly repairs and extends the life of both the ships and the infrastructure.

The design of D-type rubber fenders is relatively simple, which makes them a cost-effective solution for many ports and docking facilities. Unlike more complex fender systems, D-type fenders are easy to manufacture, install, and maintain. Their straightforward design allows for quick installation, which can save both time and labor costs. Additionally, the relatively low production cost of D-type fenders makes them an affordable option for port authorities looking to protect their infrastructure without exceeding budgetary constraints.

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Features
●With reaction force its energy absorption is higher that of cylindrical type.
●It can be installed and replaced easily.
●It is widely used due to its narrow bottom width.