The oil-free screw compressor element
No oil implies that there is absolutely no oil for sealing the rotors and for cooling the compressed air flow, components and rotors. … The component can be cooled by cooling water that flows through special pockets in the element casing.
In a lubricated screw compressor, the lubricant comes in direct in contact with the compressor inlet air and compressed air. … The essential oil contains anti-oxidants to try to reduce the breakdown of the lubrication properties because of Oil-free Screw Air Compressor china internal conditions.