Oil free reciprocating compressor (stationary)
16 - 124 scfm, 14.5 - 6483 psig | DM series ATLAS Copco Compressors USA

Atlas Copco’s DM oil less reciprocating compressors will meet your needs for high pressure compressed air up to 447 bar(a). Compact, with very low vibration levels and a sealed crankcase, DM compressors are ideal for the compression of air, nitrogen, natural gas, processed biogas, hydrogen, noble gases and other industrial gases. They are based on technology developed by GreenField, a company with a renowned reputation worldwide and part of the Atlas Copco Group.
Customer benefits

High degree of safety – Its revolutionary “oil-less” technology guarantees that oil does not contaminate the gas. Its hermetically sealed crankcase ensures no emission of gases to the atmosphere, even gases with a low molecular weight.
High reliability – Low compression ratios in the individual stages result in low thermal load and high reliability. The Scotch yoke principle means balanced forces and minimal vibration.
Easy installation – Very compact, frame-mounted and incorporating anti-vibration pads, DM compressors come as complete all-in packages with a small footprint and are simple to install without the need for complex piping arrangements.
Low cost of ownership due to no water consumption and high efficiency.
Low maintenance – An advanced maintenance concept ensures short downtimes.
A wide array of solutions – DM compressors are available for inlet pressures of 1, 7, 15 and 19 bars, and 1- to 5-stage configurations. They are suitable for diverse applications such as CNG refueling stations and gas applications (e.g. Ex-zone 2 or optionally Ex-zone 1).