Unisite Group Ltd.

Plain Suction Dredger,Hopper Trailing Suction Dredgers,Hopper Trailing Suction Dredger Design


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Hopper Trailing Suction Dredger design

Basic Info

Model No.USA-221


GradeGrade A-D(BV,DNV,GL,LR,CCS) Or Other Materials

CertificateBV CCS

DimensionAs Per Drawing/order

ToleranceHigh Accuracy(ISO2768, ISO5817, ISO13920)

InspectionMaterial, Construction, Dimension, Welding Seam, N


Marine EngineeringDredging Support

MaterialGrade A-D(BV,DNV,GL,LR,CCS) Or Other Materials


Plain Suction DredgerHopper Trailing Suction Dredgers

Additional Info

Packagingbulk package and bulk vessel transportation


Place of Originchina mainland(zhejiang)


Payment TypeL/C,T/T


Delivery Time30 Days

Product Description

Trailing suction hopper Dredger is an equipped with rake head mining machinery and hydraulic Dredging Equipment of large self-propelled, binning dredger.Dredging, will put down the bottom of the river, the suction pipes, using vacuum effect of mud pump, through the rake head and Suction Tube bottom absorbing mud into the dredger mud in the warehouse, warehouse full of mud, after sailing up the rake to spoil area open the mud disposal, or directly to dig up the dirt out of the ship. Some dredger can also be unloaded in mud warehouse of soil to suck out of land reclamation. It can have good navigation performance, self-propelled, since the load dump, and in the work in the navigation state, don't need a positioning device. It is suitable for no cover, long and narrow coastal approach channel excavation and maintenance, with most efficient when excavation of silt.

Hopper Trailing Suction Dredger design

The working principle of Trailing Suction Hopper Dredger

Trailing suction loading dredger, basically is a kind of dredging boat from the bottom of the sea, the dredging method is similar to vacuum cleaner. The ship is equipped with one or several centrifugal pump, using centrifugal pump suck up water and mud from the bottom, hopper into the ship. These operations on the voyage, air while digging, hopper filled with mud is to throw mud area, through the Bottom Door handle cases out of the mud. All ships of trailing suction hopper with its capacity to show different size, general capacity is 500 ~ 1000 m3. The smallest trailing suction can ship construction. Under the condition of the water depth around 3 largest trailing suction vessel dug deep can reach more than 3 ~ 35. The trailing suction vessel to vessel, can be in the wind and waves considerable dredging, navigation and throw mud at sea.

The specifications of our dredger

A. General

Such as dredger (Trailing suction, cutter suction, bucket, Grab, shovel stone, mud and stone)

With strategic partnerships with DONGPENG shipyard, UniSite is able to provides the construct, repair and maintenance service as well as kinds of dredger equipment

B. Construction

The construction is to be built according to the drawing with rules of good workmanship and to be built the longitudinal frame system.

All penetrations of longitudinal through transverse bulkhead are closed with slot plate or stiffeners are interrupted at bulkhead and continuity is realized with brackets, to ensure to avoid any abrupt changes in strength structures.

C. Materials

All fabricated steelwork used in the construction of the dredger will be to manufacturing standard of UniSite or other classification society.

All steel used to be blasted and shop primed both sides.

All materials proposed will be selected to comply with the latest Health and Safety Rules.

Paint systems for hull protection will be of the highest quality (Hempel, Inter, Sigma, Jotun)

D. Welding

All welding will be performed in accordance with drawing and order and UniSite experience and all welding will be continuous.


- Material certificates by a classification society

- Inspection protocol

- Inspection reports tank testing

- NDT reports

- Official certificates for accessories and other equipment

- Fixed certificate: ISO9001, BV certificate, CCS certificate

Long-term cooperation with world top dredging and marine companies for more than 10years, UniSite is specialized in providing comprehensive service and parts of dredging, land reclamation, offshore, marine, municipal projects. UniSite is one of the most professional dredging and marine companies in design, manufacture, and construction and related products and services.


Photos of our Hopper Trailing Suction Dredger design

Hopper Trailing Suction Dredger Design price Hopper Trailing Suction Dredger Design Hopper Trailing Suction Dredgers Plain Suction Dredger

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Product Categories : Dredger > Trailing Hopper Suction Dredger

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  • Hopper Trailing Suction Dredger design
  • Hopper Trailing Suction Dredger design
  • Hopper Trailing Suction Dredger design
  • Hopper Trailing Suction Dredger design
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