Oil-Free Piston Air Compressor china Atmosphere compressors are critical pieces of equipment on most jobsites, used to power tools and complete many tasks. … One important difference is choosing between an air compressor that uses an oil-lubricated pump and one that utilizes an oil-free style.
Some air compressors use oil. … Your small 12 volt air compressors and many of the jobsite models do not require oil. The oil you put in acts as a lubricant to keep carefully the machinery inside running at 
complete efficiency. Using the proper type of oil is necessary to keep it operating as it should.
Our direct drive compressor motor assemblies ranging from 0.75 Hp – 5.5 Hp using the most advanced in piston ring materials. The result is a dependable and long lasting way to obtain oil free air.