Discover the complete range of clamshell grabs we offer according to the drive mechanism and density you need to handle: bulk materials and products, fertilisers, sludge, manure, sand, rubble, stones, husks, cement, hot clinker...
Electro-hydraulically operated clamshell grab composed by: electric engine, pump and electro-hydraulic valves which provide the pressure to the system and grab’s shells, being all the elements assembled into machine’s body.
Piled and bulk material up to 1,1 t/m³ density.
Piled and bulk material up to 1,8 t/m³ density.
Piled and bulk material up to 2,8 t/m³ density.
Piled and bulk material up to 1,1 t/m³ density.
Piled and bulk material up to 1,8 t/m³ density.
Piled and bulk material up to 2,8 t/m³ density.
Piled and bulk material up to 1,1 t/m³ density.
Cement, hot clinker (300°c) and piled and bulk material up to 1,8 t/m³ density.
Piled and bulk material up to 2,8 t/m³ density.
Piled and bulk material up to 1,1 t/m³ density.
Piled and bulk material up to 1,8 t/m³ density.
Piled and bulk material up to 2,8 t/m³ density.
Clamshell grab operated and suspended by wire ropes. Three scales exist: single rope, two-rope and four-rope operated grabs.
Fertilizer, piled and bulk material up to 0,8 t/m³ density.
Fertilizer, cereals, coal, piled and bulk material up to 1,1 t/m³ density.
Fertilizer, cereals, coal, cement, clinker, piled and bulk material up to 1,8 t/m³ density.
Minerals, piled and bulk material up to 2,8 t/m³ density.
Minerals, piled and bulk material up to 3,2 t/m³ density.
Fertilizer, piled and bulk material up to 0,8 t/m³ density.
Fertilizer, cereals, coal, piled and bulk material up to 1,1 t/m³ density.
Cement, clinker, bauxite, feldspar, piled and bulk material up to 1,8 t/m³ density.
Cement, clinker, piled and bulk material up to 1,8 t/m³ density.
Cement, clinker, piled and bulk material up to 1,8 t/m³ density.
Not autonomous grabs. Driven hydraulically by a group foreign to the grabs. The oil under pressure must come from the exterior.
Opened valve example: material dropping during grab´s transport
Closed valve example: ecologically friendly grab
| Motor reversal | Electrically operated valve |
|---|---|
| Wire quantity: 4 | Wire quantity: 7 |
| Pump type: Piston pump (fix flow) | Pump type: Gear pump (fix flow) Piston pump (fix flow) Piston pump (variable flow) |
