Melbourne based company Melpia Pty Ltd, has introduced to the Australasian market the Hydrascrew Silo Unloader.

The Hydrascrew is designed for bottom discharger of round silos by means of a rotating screw. The screw revolves 360 degrees around a central pivot point in the silo base, through which the product is also discharged.

The unit is available in ten models to suit silos from 2 metres in diameter up to a maximum of 20 metres diameter with discharge rates from 1 to 500 cu.m per hour (fixed or variable rate). The Hydrascrew is capable of discharging a variety of diverse raw materials such as coal, sludge, woodchips, oilseed meal, chemicals, plastic chips, limestone, fly ash, animal and human foodstuffs.

Powered by a single hydraulic power pack, which ensures the unit is capable of dealing with heavy-duty applications, the Hydrascrew is has been successfully installed on silos with loads as little as 500 kg of flaked plastic film and as much as 6000 tonnes of fly ash have been successfully discharged by a single unit. If a number of units are installed in a storage complex it is possible to drive these from a single power pack provided the silos are not required to be discharged simultaneously.

Melpia Pty Ltd is the exclusive representative of the French company Morillon, manufacturers of the Hydrascrew Silo Unloader.

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