A rotary air compressor is one of the most useful industrial air compressors. When you are shopping for rotary air compressors, it is a great idea to learn more about how these compressors work. One of the most essential components of the rotary screw compressor is the oil tank. These types of air compressors rely on air compressor oil for lubrication, cooling, and sealing. In order to keep your rotary air compressor in terrific operating condition, you should make sure that the oil tank is always properly filled. A company offering industrial air compressors in San Jose can help you purchase one of these units for your business. For a closer look at the parts of a rotary air compressor, check out this video from ROTARYCOMPTECH.