Products Description

The air compressor lubricating oil filter (oil filter) is used to remove metal debris, dust and impurities from the lubricating oil, protecting the screw and the main unit, and extending the service life of the lubricating oil and the oil-gas separator. In the air compressor system, oil filtration is a key component to ensure stable operation of the equipment. It is like the "kidney" of the air compressor, responsible for purifying lubricating oil.

An oil filter generally consists of a filter element, a housing, a bypass valve, seals, and other components.
The filter element is a key component that performs the filtering function; The shell plays a role in protecting and supporting the filter element; The bypass valve opens when the filter element is clogged or when starting at low temperatures, ensuring that lubricating oil can bypass the filter element and directly enter the system, ensuring basic lubrication of the equipment. However, at this time, the filtering function will temporarily fail; Seals prevent lubricant leakage.
Main function: Intercept and separate the tiny particles and contaminants in the lubricating oil, preventing impurities from exacerbating the wear of bearings and rotors.
Working method: Compressed air along with lubricating oil enters the filter, where impurities are retained by the precision filter paper or filtering medium, allowing the clean lubricating oil to be reused.

The core function of the air compressor oil filter is to filter out impurities in the lubricating oil of the air compressor. During the operation of the air compressor, lubricating oil inevitably mixes with pollutants such as metal particles (from component wear), dust, and oil degradation.

Impurities may block the oil circuit, affect the normal circulation of lubricating oil, cause poor lubrication of components, and ultimately lead to equipment overheating, vibration, and even shutdown faults.

High quality oil filters can ensure the cleanliness of lubricating oil, maintain the normal operation of the oil circulation system, protect the safety of the host, reduce equipment maintenance costs, and improve the overall reliability and operational efficiency of the air compressor.
Remove system impurities: Block metal chips generated by the screw main unit during operation, tiny dust brought in from the air, and carbon deposits and carbides formed due to the long-term high-temperature operation of the lubricating oil.
Protect the screw rotor and bearings: The gap between the male and female rotors is extremely precise (usually only a few micrometers), and clean lubricating oil can prevent impurities from scratching the rotor surface or jamming the bearings, thereby extending the lifespan of the main unit.
Extend the lifespan of the oil-gas separator: The amount of impurities entering the oil separation core is reduced, which can prevent the oil separation core from clogging prematurely, thereby reducing maintenance costs.

Safe and stable

Oil filters typically work by using filter media to intercept impurities. The common filtering medium is filter paper, which has a dense microporous structure. When lubricating oil flows through the oil filter under the pressure of the oil pump, impurities larger than the micropores of the filter paper will be intercepted on the surface or inside of the filter paper.
New machine running-in period: During the initial stage of the new machine's operation (typically the first 500 hours), mechanical wear is relatively rapid. The oil filter is specifically designed to collect the residual mechanical processing debris and initial wear debris within the system.
Daily continuous operation: Under long-term high-pressure and high-temperature conditions, the cleanliness of the lubricating oil is maintained continuously to ensure the normal operation of the four functions of cooling, lubrication, sealing, and noise reduction.

Good sealing performance

The service life of oil filters is usually around 1500-2000 hours, but this may be affected by environmental conditions. Operating in harsh environments such as high dust and temperature can shorten the lifespan of the filter. In daily maintenance, it is necessary to regularly check the working status of the oil filter. If insufficient oil return and high exhaust temperature are found, it may be caused by clogged oil filters leading to poor oil return. Once the filter element is damaged, unfiltered oil containing impurities entering the host can cause serious consequences. So, it is necessary to regularly replace the filter element according to the manufacturer's recommended time to ensure that the lubricating oil of the air compressor is always in a good filtering state, and to maintain the stable and efficient operation of the equipment.