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Lubricating oil containing impurities flows through the filter element under pressure. Larger particles are blocked by the fiber layer of the filter element, preventing them from entering the subsequent oil path. High-quality oil filters typically use a composite filter media of high-precision glass fiber and metal mesh, ensuring filtration accuracy while also enhancing structural strength.
To prevent oil path interruption and subsequent dry wear damage to the main unit due to complete filter element blockage, an internal "bypass valve" is usually installed in the oil filter. When the filter element experiences excessive resistance due to too many impurities, the bypass valve automatically opens, allowing some unfiltered oil to flow directly into the main unit, ensuring lubrication in emergency situations.
Oil filters exceeding their design life may have internal filter media that has carbonized, broken, or even become a new source of contamination.
For built-in oil filters, ensure a reliable conductive path between the metal parts and the equipment casing during installation to dissipate static electricity generated during operation and prevent fire or explosion accidents.
Oil filters are disposable. Their filtration accuracy and efficiency will significantly decrease after reaching their service life and cannot be restored by cleaning; they must be replaced directly.
Some equipment's oil filters are not originally designed with a bypass valve. In such cases, it is strictly forbidden to use an oil filter with a bypass valve, otherwise the valve may open prematurely when the equipment requires protection, allowing impurities to directly enter the main unit.
Q1. What are your pricing terms?
A: All prices and terms are quoted in USD, using FOB Shenzhen and FOB Guangzhou or CIF (Cost, Insurance and Freight). Quotations are valid for one month.
Q2. How about your delivery time?
A: If in stock, we will ship within approximately 3 days after receiving payment; if production is required, we will ship within one week after receiving advance payment (if requested).
Q3. Can you produce according to samples?
A: Yes, we can produce according to your samples or technical drawings. We can make molds and fixtures.
Q4. What is your sample policy?
A: We can supply samples if we have stock, but customers need to pay the sample fee and courier fee.
Q5. Do you test all products before shipment?
A: Yes, we will conduct 100% testing before shipment.
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