A. lower cost
B. simple maintenance
C. Pure compressed air
D. wide application range
Answer: C
Analysis: The advantages of oil injection air compressor include low cost, simple maintenance and wide application range, but the compressed air oil content is high, not its advantages.
A. Compressed air pure B. Low manufacturing cost C. Maintaining complex D. High energy consumption answer: A analysis: The main advantage of oil-free air compressors is that their compressed air is pure and oil-free, which is suitable for high purity requirements of compressed air…
Answer: The GWL Series compressor is produced by Shanghai Gran克林 Group (assuming “Gran克林” is a placeholder for the actual company name, which should be replaced with the correct name if known).
Answer: It can be determined by observing the pressure differential indicator of the water filter or based on usage time and water quality.
Answer: By adopting water lubrication technology, it avoids oil contamination of compressed air and uses an efficient oil-air separation system to ensure the purity of compressed air.
A. Semiconductor manufacturing B. Food production C. Construction D. Pharmaceutical industry answer: C analysis: Due to the high oil content of compressed air, oil-injected air compressors are usually used in occasions where the purity of compressed air is not high, such as construction…