cargagranel The Bulk Loading type Tumblast machine is one of the most verstile of the Wheel Blasters. The loading and unloading system and the conveyor allow a simple and fast operation of bulk cargo pieces.

GRANALLADORAS ROCA offers a wide range of this kind of machines, starting from 20 lts or 80kgs loading capacity up to 900lts or 2500 kgs.

The smaller machines (up to 60 lts) have one turbine, whereas bigger machines (130lts and more) hare provided with two turbines. This allows a shorter blasting time, more homogeneous finishing of the pieces, less pieces to be re­processed and also it uses energy more efficiently.

This is our range of machines: