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The oil-free screw compressor element

No oil means that there is no oil for sealing the rotors and for Oil-free Screw Air Compressor cooling the compressed atmosphere, components and rotors. … The element is usually cooled by cooling drinking water that flows through unique pockets in the element casing.

In a lubricated screw compressor, the lubricant comes in direct in touch with the compressor inlet air and compressed air. … The oil contains anti-oxidants to try to reduce the breakdown of the lubrication properties due to internal conditions.