1- Oil free lubricating compressor, compatible with CFC/HCFC/HFC refrigerants;
2- Self-purging design, prevent cross contamination; 3- Multi-functional valve design, simple operation; 4- Perfect protection system, safe credibility; 5- Thorough recovery refrigerant and automatic stop when the suction pressure is up to -0.04 MPA; 6- Light weight, air cooled type only 160 lbs, water cooled is much lighter.