2023 7.5A High Efficiency 7.5HP VFD Oil Injected Screw Air Compressor

The difference between oil-free and oil lubricated is more than the presence or absence of oil: the oil-lubricated air compressor requires the change of the oil every now and then; besides it also requires air filtration to remove the oil. For this reason, the oil lubricated air compressor requires more maintenance work than the water lubricated oil-free screw air compressor.

However, compared with the oil lubricated air compressor, this water lubricated oil-free screw air compressor is much louder in operation. In one word, a water lubricated oil-free screw air compressor is better for the industries that require high purity air; and the oil lubricated screw air compressor is more suitable for the industries that require more operational continuity.
Oil-free screw air compressor are widely used in industries that require high quality air sources, such as pharmaceutical, food, electronics, chemical, packaging, etc. 100% pure compressed air is a necessary procedure to guarantee satisfactory crafts and product quality, which ensures the production of high-end products safely and risk-free.

Oil-free water-lubricated air compressors are generally screw-type air compressors, mainly using water as lubricant to perform . During the working process, the lubrication, sealing and cooling of the entire main machine are all done by water.