Dredge Drag Head

A dredge drag head is used by a trailing hopper suction dredger to collect sand from the sea floor.

The dredge drag head is a steel structure that is connected to the dredger by a suction pipe. Supported by the gantries and by using hydraulic winches the dredge drag head and suction pipe are let down onyo the sea bottom in order to suck a mixture of water and sand.

drag head,dredge head,THSD,dredge drag head