When you hear the roar of screw air compressors in the factory, you might not expect that there is an “artificial kidney” working silently inside this steel giant – the oil filter. This not-so-large metal can undertakes a more demanding filtration task than human kidneys: it has to process lubricating oil at a high temperature of 200℃ and withstand a pressure of 10bar every minute, and intercept impurities as small as 5 microns (equivalent to 1/14 of a human hair).
The three survival rules of oil filters
Multi-layer defense system: The high-quality oil filter adopts a composite structure of glass fiber and metal mesh, just like a bulletproof vest for special forces. The outer layer intercepts large particles, while the inner layer captures fine metal debris. Poor-quality filter elements often only have a single layer of filter paper, which is equivalent to leaving the lubricating oil “naked”.
Pressure balance art: The filter element is equipped with a bypass valve, a “safety airbag”, which automatically opens when the pressure difference exceeds 1.5bar to prevent oil circuit interruption caused by blockage. However, frequently triggering the bypass valve is like a patient undergoing long-term dialysis, which will accelerate the wear of the main unit.
Temperature extreme challenge: Our company’s products have to pass cold and hot cycle tests ranging from -30℃ to 120℃. However, some inferior filter elements become brittle at low temperatures and the glue melts at high temperatures, just like cling film deforming when heated.
The hidden Easter egg of changing the filter element
A certain cement factory once used inferior oil filters to save money. As a result, the main machine seized up after three months, and the repair cost was enough to buy 20 genuine filter elements. This is like refueling a sports car with gutter oil. The money saved on fuel eventually turns out to be the cost of major engine repairs. It is recommended to replace it every 2000 hours or when a pressure difference alarm occurs. Do not wait for the filter paper to break and let metal debris enter the “blood system” of the main unit.
Next time you hear abnormal noises from an air compressor, why not first take a look at this “kidney” that silently guards the health of the equipment? It is saving you every kilowatt-hour of electricity and every minute of maintenance cost with its metal body.
Contact Us:Xinxiang Jinyu Filter Industry Co.,Ltd
Website:https://xxjyly.en.alibaba.com
https://www.xxjinyufilter.com
Whatsapp/wechat:+86–15993089106
Email: sales01@xxjinyufilter.com
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Post time: Jun-25-2025