Answer: The compressor uses water instead of oil to lubricate the screw elements, eliminating the risk of oil contamination in the compressed air.
A. Higher B. Lower C. Same as oil injection air compressor D. The answer cannot be determined: B Analysis: Oil-free air compressors do not need to replace lubricants and oil filters, so the maintenance cost is low.
Answer: It is mainly used in medical, food, electronics, chemical, textile, and other industries where high air quality is required.
Answer: Regular inspections of the air filter, lubrication system, and motor can help prevent premature wear and tear.
A. Compression method B. Cooling method C. Lubricating method D. Control method answer: C analysis: oil-injected air compressors use lubricating oil to cool and lubricate compressor components, while oil-free air compressors do not use lubricating oil. These are two…
A. Low noise B. Efficient and stable C. Portable D. Medical certification answer: B. Efficient and stable