Shipbuilding. Energy. Transport

On-line supplement
to the Maritime Market magazine

Shipbuilding. Energy. Transport Maritime Market magazine

Press Release

Latest addition to DOP range

Largest dredge unit available now

The Damen DOP Submersible Dredge Pump range has been enlarged. The DOP-range now runs from the smallest possible DOP150, fitting in any corner of a building pit, to the impressive DOP450L doing 4.000 m3 of mixture per hour.

The DOP submersible dredge pump is a heavy duty pump designed to be used in many dredging activities. It distinguishes itself from slurry pumps or waste water pumps by its robust design. The main part of the DOP is an efficient, wear resistant dredge pump outfitted with cast, easily exchangeable parts. A key feature is the large spherical passage preventing blockage. The impeller shaft is directly driven by a hydraulic motor through a gear box.

This direct drive makes the DOP450L a compact unit. The stand alone submerged dredge pump only requires its hydraulic power. The DOP can be powered by a diesel-hydraulic power pack or by an excavator. Working attached to the excavator boom plugged into its hydraulics makes a simple plug and play dredger.

The DOP450L is the largest true dredge pump which has been designed for submersed use and can be transported and mobilized easily as manageable unit.

•    The DOP film explaining the plug-and-play layout of a DOP dredging project :
•    All technical details of the DOP450L can be found at :

•    A picture of the DOP450L being hoisted at the DDE yard
•    2 pictures of the DOP450L tested at Damen Dredging Equipment’s yard. During these endurance tests all technical data are monitored such as temperatures in the bearing housing. Moreover the DDE R&D team measures the QH graph of the new pump, including the power consumption.


Please see Damen Shipyards Group company electronic office

Damen Shipyards Group operates 32 shipbuilding and repair yards, employing 9,000 people worldwide. Damen has delivered more than 6,000 vessels in more than 100 countries and delivers some 180 vessels annually to customers worldwide. Based on its unique, standardised ship-design concept Damen is able to guarantee consistent quality.
Damen’s focus on standardisation, modular construction and keeping vessels in stock leads to short delivery times, low ‘total cost of ownership’, high resale values and reliable performance. Furthermore, Damen vessels are based on thorough R&D and proven technology.

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