@ggao
2025-03-12

How is the “oil-free water lubrication” technology applied in this compressor?

Answer: The compressor uses water instead of oil to lubricate the screw elements, eliminating the risk of oil contamination in the compressed air.

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@ggao
2025-03-12

What are the main features of this series of compressors?

Answer: The main features include energy efficiency, low pressure operation, oil-free water lubrication, and high reliability.

@air
2025-04-15

5. The range of flow loss caused by leakage in rotor clearance of screw machines is usually?

A. 1-3% B. 8-12% C. 15-25% D. 30-40% Answer: B Analysis: The gap leakage loss of the screw machine is 8-12%, and the reciprocating gap volume loss is even higher.

@air
2025-04-15

What are the compression elements of piston air compressors?

A. Screw B. Piston C. Centrifugal wheel D. Scroll disk answer: B. piston

@air
2025-04-15

What are the main advantages of inverter air compressors?

A. High energy consumption B. Low energy consumption and high efficiency C. Maintaining complex D. High noise answer: B. Low energy consumption and high efficiency

@air
2025-04-15

The advantages of oil-injected air compressors do not include which of the following?

A. Lower cost B. Simple maintenance C. Compressed air pure D. Wide application range Answer: C analysis: The advantages of oil-injected air compressors include low cost, simple maintenance and wide application range, but the compressed air has a high oil content…