2026-04-15Views：
Difference Analysis of Water Injection Screw and Oil Injection Screw Air Compressor
screw air compressors can be divided into two categories according to lubrication and cooling medium: water spray screw and oil injection screw. The core differences are reflected in the lubrication method, applicable scenarios and environmental performance. The following is a specific comparison and granklin air compressor adaptation advantages:
| Contrast dimension | water jet screw air compressor | oil-injected screw air compressor |
|---|---|---|
| lubrication/cooling medium | use of water as lubricating, cooling and sealing medium | use lubricating oil as lubricating, cooling and sealing medium |
| purity of compressed air | no oil pollution, compressed air natural clean | additional oil removal equipment is required, and the risk of oil residue is high. |
| Maintenance complexity | simple maintenance, no need to deal with the oil system | regular replacement of lubricating oil and cleaning of the oil circuit are required, resulting in high maintenance costs. |
| Environmental performance | water can be recycled, no waste oil discharge | waste oil needs to be disposed of, which may cause environmental pollution risk |
| applicable Scenarios | food, medicine, electronics and other industries that require high air purity | scenarios with low purity requirements such as mechanical manufacturing and chemical engineering |
Conclusion
the core difference between the water jet screw and the oil jet screw air compressor is the lubrication medium and the applicable scenario. Granklin water-lubricated single screw air compressor has become an ideal choice for high-purity industries such as food and medicine with the advantages of oil-free, environmental protection and high efficiency, helping enterprises to achieve safe production and green development goals.
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