The oil-free screw compressor element
No oil implies that there is no oil for sealing the rotors and for cooling the compressed air, elements and rotors. … The element is certainly cooled by cooling water that flows through particular pockets in the element casing.
In a Oil-free Screw Air Compressor china lubricated screw compressor, the lubricant will come in direct in contact with the compressor inlet air and compressed air. … The essential oil contains anti-oxidants to attempt to reduce the break down of the lubrication properties due to internal conditions.