Answer: The compressor uses water instead of oil to lubricate the screw elements, eliminating the risk of oil contamination in the compressed air.
Answer: It alerts the operator with visual and audible warnings, and provides diagnostic information to help identify the problem.
A. 5-7 Year B. 7-10 Year C. 10-12 Year D. 12-15 Answer: C analysis: Environmentally friendly oil-free air compressor adopts a fully enclosed design, and the equipment life can reach 10-12 years, far exceeding traditional oily lubrication…
A. Price and brand B. Performance, price and brand C. Appearance and color D. Production date and transportation method Answer: B. Performance, price and brand
A. Higher B. Lower C. Same as oil injection air compressor D. The answer cannot be determined: A Analysis: The manufacturing cost of oil-free air compressors is usually high, and the initial investment is large, but the long-term maintenance cost is low.
A. Spraying and sandblasting operations B. Home use of C. Commercial places use D. Agricultural production uses answer: A. Spraying and sandblasting operations