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