XR Rudders and Van der Velden® FLEX Tunnel


• Inland vessels
• High manoeuvrability

The XR rudders are especially developed for optimal propulsion efficiency in combination with first-class manoeuvring characteristics, which comes from rudder angles up to 80°. The accurate and intelligent design of the rudder trunk only requires one grease filling. These rudders have an eco-friendly design, which is cost efficient with still a good manoeuvring performance.

With their smart dimensions, the inventive XR rudders have a better control of the slipstream, providing maximum speed and reducing vibrations and sound. The carefully designed rudder profile gives less resistance and a much reduced fuel consumption.

To further enhance the propulsion performance you should consider the Van der Velden® XR hydro spoiler. The Van der Velden® FLEX Tunnel has been designed to be combined and integrated with the Van der Velden® XR rudder and hydro spoiler.



  • Good manoeuvrability
  • Environmentally friendly
  • Reduction of fuel consumption and resistance
  • Comfort because of low noise levels
  • Competitive price thanks to unique production process


Best suited to vessels operating on the inland waterways. The profile is focused on course keeping, efficiency and fuel saving. Suitable for speeds up to 25 km/h.


The FLEX tunnel performs ideally in deep water, but is also operational for longer periods in very shallow water.

FLEX Tunnel

Van der Velden Marine Systems has developed an innovative retractable tunnel system, especially developed for inland vessels.

The starting concept behind the Van der Velden® FLEX Tunnel is its ability to retract. With the tunnel embedded into the vessel hull, resistance is lowered and efficiency increased.

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With its ultra-sturdy and maintenance friendly design, this steering gear is suitable for every type of vessel.

2DWK Steering gear

The 2DWK is an exceptionally sturdy, asymmetrical steering gear especially developed for Van der Velden® Hydro Dynamic rudders and the Van der Velden® XR rudder systems.

The 2DWK steering gear is suitable for every type of vessel, but it is mainly designed for inland vessels.

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Maintenance friendly 4DWKK steering gear is mainly designed for inland vessels.

4DWKK Steering gear

With its ultra-sturdy and maintenance friendly design, 4 DWK steering gear is suitable for every type of vessel.

This steering gear offers unprecedented manoeuvring capabilities especially when combined with HD rudders or Van der Velden® XR rudders.

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The system was developed with the latest technologies and is in accordance with current and expected regulations.

SP 2700 Control

A unique characteristic of the SP 2700 is its software, which simplifies and improves the start-up process, maintenance and services.

Three options are built into the system, allowing you to choose between main or pilot steering or directly linked emergency steering. FU steering is optional. Alarms are indicated directly on the SP 2700 bridge panel. 

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The HP 7000 can be used in combination with the latest autopilots.

HP 7000 Control

HP 7000 Steering Installation is the world's safest proportional hydraulic installation.

As the rudder position indicator has its own backup system, this unique steering installation is completely independent of the electrical system.

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