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Dredge Drag Head

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Dredge Drag Head

Production of Dredge Drag Head

Hi-sea Dredge Drag Head is specially for Trailing Suction Hopper Dredger.It is designed in a modular setup so that the main body can be fitted with different types of visor. This means that the drag head can easily be converted into the required type for the soil that needs to be dredged, without the need for an entirely new unit. The main function of the drag head is to excavate the soil and transform it and the seawater into a mixture. The higher the density of the mixture the drag head can create, the better it is performing.

Universal drag head, California type drag head and Turbulence visor drag head are available. Universal drag heads are best suited for general use in varying soil types, a California type drag head is recommended for compact and firmly packed soil types, turbulence visor drag heads offer superior performance in soft and free flowing soil.

The dredge drag head mainly consists of a visor carrier and a movable visor, connected by heavy duty hinges. Wear parts are made of highly wear resistant material and can be easily replaced.

The position of the visor is self-adjusted by gravity, enabling optimized contact with the ground. The visor is equipped with a water flap at the top (California and Turbulence visor type) or at the aft end (Universal type) of the visor, which is adjusted mechanically. The water flap opening can be adjusted to the soil properties and to the suction head of the dredge pump.

The soil is loosened by pressure water jets and by cutting teeth (California and Universal type), both arranged over the whole width of the visor. The visor carrier includes a jet water connection to the side suction pipe. Jet water nozzles are arranged in a replaceable steel beam which is mounted below the hinge line. The effect of the pressure water can be adjusted to the dredging conditions by using different sets of nozzles.

Note:Hi-sea dredge drag head can be customized according to clientsĄŻ special requirements.For any more information,please feel free to contact us directly.

Features:

Easy maintenance

Adjustable visor

Various suction pipe diameters

Efficient hydraulic design

Replaceable wear blocks and side skirts

Replaceable teeth system

Parameters:

Diameter

Length Overall

Length of Visor

Width overall

Width of Visor

[mm]

[mm]

[mm]

[mm]

[mm]

420

1300

1000

1600

1340

550

1525

1100

1800

1560

600

1560

1190

1850

1560

650

1900

1240

2650

2550

700

1935

1255

2700

2600

750

1950

1300

2810

2700

800

2000

1550

2940

2750

900

2350

1650

3200

2850

1000

2850

1760

3700

3250

1200

3300

1850

4240

3700

Dredge Drag Head

Drawing of Dredge Drag Head

Dredge Drag Head

Dredge Drag Head for 32000CBM TSHD Dredger

Dredge Drag Head

Dredge Drag Head(Universal Type)

Dredge Drag Head

Dredge Drag Head(California Type)

More Photos of Dredge Drag Head are as follows:Dredge Drag Head

Dredge Drag Head

Dredge Drag Head

Dredge Drag Head

Dredge Drag Head

Dredge Drag Head

Dredge Drag Head

Contact with us now

Our mail: manager@hiseamarine.com

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