
Air Separator
It separates by density rather than size: the air stream carries film, paper and textiles away, while glass, metal and stone drop straight down.
Air Separator
Technical specifications
Sustainability impact
Equipment engineered for long-lasting operation and built from recyclable materials, in line with the principles of the circular economy.
Key features
Separation by density
an air separator solves what no screen can: it splits two objects of the same size but different weight.
It produces the combustible fraction
the light fraction is exactly the high calorific material from which RDF alternative fuel is made.
It protects the heavy equipment
by pulling stone, glass and metal out of the light flow, the shredders and presses downstream no longer take the objects that damage them.
Product description
Every other screening machine separates by size. An air separator does something different, and that is exactly why it is indispensable: it separates by density. Two objects of the same size, a plastic bag and a piece of brick, leave on different streams, which no screen in the world can…
Every other screening machine separates by size. An air separator does something different, and that is exactly why it is indispensable: it separates by density. Two objects of the same size, a plastic bag and a piece of brick, leave on different streams, which no screen in the world can achieve. The principle is the law of settling in air. A controlled air stream passes through the falling material. Anything light with a large surface, paper, bags, film, textiles, is carried upward or thrown far horizontally. Anything heavy and compact, glass, metal, wood, stone, cannot be supported by the stream…
Air Separator
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Municipal waste
Municipal waste sorting plants, from the bag to recoverable material
Household waste arrives mixed and bagged. A sorting plant opens it, screens it into size fractions, separates the light material from the heavy one and extracts metals, plastic, paper and glass. We configure complete lines and also supply the individual machines, from the bag opener and trommel screen through to the magnetic and eddy current separators, the optical sorters and the balers.
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About Urstag
15 years of experience in recycling equipment

For over 15 years we have delivered premium recycling equipment for PET, metal, textiles, batteries and any recyclable material. Complete lines with European engineering and Asian manufacturing, using motors and automation from Siemens, Schneider Electric, ABB, WEG and SEW-Eurodrive, for high reliability and energy efficiency.










