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Why does the screw air compressor consume so much fuel?

Why does the screw air compressor consume so much fuel?
November 07, 2023

Screw-type air compressors have become a popular choice for various industrial applications due to their high efficiency and reliability. However, one common issue that many operators face with these compressors is their high oil consumption. This raises the question: what causes screw-type air compressors to consume so much oil?

screw air compressors

Firstly, it is important to understand that screw air compressors operate by compressing air between two rotating screws. These screws are coated with a layer of oil that not only lubricates their movement but also seals the gaps between them, preventing air leakage. As a result, a small amount of oil is required to maintain the proper functioning of the compressor.


However, excessive oil consumption can occur due to several reasons. One of the most common reasons is the use of low-quality oil. Using oil that does not meet the manufacturer's specifications or is not compatible with the compressor can cause increased friction between the screws, leading to higher oil consumption.


Another reason for high oil consumption is the presence of air leaks within the compressor. Air leaks can cause the compressor to work harder, leading to increased friction between the screws and higher oil consumption. It is, therefore, important to regularly check for air leaks and repair them promptly.


Additionally, improper maintenance can also contribute to high oil consumption. Failure to change the oil at recommended intervals or not cleaning the oil filters can cause the oil to become contaminated and lose its lubricating properties, leading to increased friction and higher oil consumption.


In conclusion, screw-type air compressors are efficient and reliable machines, but they require proper maintenance and care to operate at optimal levels. High oil consumption can be caused by various factors, including the use of low-quality oil, air leaks, and improper maintenance. By addressing these issues, operators can reduce oil consumption and ensure the longevity of their compressors.

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