2026-04-09Views：
Q: Do oil-free air compressors need refueling?
Answer: When the gas requirements are high, it is necessary to choose an oil-free air compressor. There are many oil-free air compressors on the market, so we must judge whether it is really oil-free.
Oil-free air compressor adopts water-lubricated screw air compressor head, and the compression process of the whole machine is completely oil-free. At present, the main models on the market are: dry oil-free air compressor, water lubrication oil-free air compressor, piston oil-free air compressor. These models do not require lubricating oil, so there is no need to refuel when using these products.
At present, the mainstream products on the market are still water-lubricated air compressors, because there is no lubricating oil for their work, and the maintenance costs saved by maintenance relative to oil injectors are considerable figures. On the other hand, in fact, the compressor gas with lubricating oil is not comparable to the oil-free air compressor with water lubrication. There is a big difference between the two.
Therefore, according to their own needs to choose oil-free air compressor.
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