Grab dredging shell - a floating machine designed for the extraction of sand and gravel from the water in the flooded areas covered with a clear surface - sand and gravel pits and rivers with sand and gravel bottom with great depth.
The main technical parameters of the individual dredging
Designation of the machine - Type: DB
max. mining depth: max. 50m
Grab bucket - Capacity: 2 - 8 m3
lowering speed and lifting the bucket: 70-80 m / min
Theoretical capacity: 50-400 t / h (depending on the depth of mining)
Power consumption excavator: 160-550 kW total installed