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Compact Pre Cleaner
+ Aerodynamic Grain Cleaner

Productivity in grain cleaning

from 400 to 2000

bushels/hour

from 10 to 50

tons/hour

About kit Compact Pre Cleaner & Aerodynamic Grain Cleaner (GPC+ADS)

The combined use of the METRA GPC Pre-Cleaner and METRA ADS enhances grain cleaning quality through a two-stage process. The METRA GPC removes large, lightweight impurities such as weeds, leaves, and stems, which have a similar density to the grain and are difficult to remove using aerodynamic methods. This allows the METRA ADS to focus on eliminating other impurities like dust, microbes, insects, and fungi using a laminar airflow. This approach significantly improves cleaning accuracy. The multi-stage process results in high-quality grain, increasing its market value.

Using both machines together not only improves cleaning quality but also accelerates the process, reducing time and energy consumption. The METRA GPC pre-cleaning process reduces the load on the METRA ADS, enabling it to work more efficiently as large impurities have already been removed. This allows the METRA ADS to eliminate smaller particles faster and with less energy consumption. As a result, both machines perform at their peak efficiency without overloading each other, leading to energy savings and a faster overall grain cleaning process.

See how it works

Information and operating principle for Metra grain cleaners.

Improved Performance
Metra GPC+ADS kit

The METRA GPC Pre-Cleaner offers high efficiency in removing large contaminants like stems, stones, and weeds, speeding up the further cleaning process.

Compact design, fits into small spaces
Low maintenance requirements
Over 30 years of service life

Adjusting cleaning speed depending on grain type, ensuring excellent pre-cleaning quality.

Adjustable screen speed for different grain types
Easy integration with other grain cleaning machines
Increased efficiency in separating contaminants
Simple screen replacement and cleaning process

Careful processing of grain using a laminar airstream, without damaging the grain

Changing from one commodity to the next takes as little as 5 minutes.
All dust and small particles are collected by the Cyclone Dust Collector for non-grain waste and are discharged through a channel into separate trays via the airstream
The machines are suitable for operation both indoors and outdoors

All machines come with special rubber padding within the separation chamber.

30% lower electrical consumption. Lower electrical consumption vs like type separators
Reliability and engine protection. The frequency converter protects from voltage surges allowing the motor to start and stop smoothly
You receive 90% of grain which has the best value and can be sold for top dollar
Germinate and mature simultaneously which gives you up to 40% better yields

Gallery Grain Cleaner
Pro Kit GPC+ADS

The METRA ADS and METRA GPC machines provide high cleaning efficiency, improving grain quality and boosting overall farm productivity.