What are the classifications of oil filters?
2025-07-16
In the mechanical and industrial fields, oil filters (or oil cleaners) play a crucial role. Their main function is to filter out impurities from lubricating oil or fuel to protect engines, hydraulic systems, and other mechanical components from wear and blockage. With continuous technological advancements and expanding application areas, the types of oil filters are becoming increasingly diverse. This article will detail several main classifications of oil filters to help readers better understand and select oil filter products that meet their needs.
I. Classification by Application Area
Oil filters can be divided into several major categories according to their application areas, such as engine oil filters, industrial oil filters, and special-purpose oil filters.
1. Engine Oil Filters
Engine oil filters are the most common type, widely used in the engine systems of vehicles such as cars, ships, and aircraft. Their main function is to remove metallic debris, dust, carbon particles, and other impurities from the engine oil, preventing these impurities from entering the friction pairs of the engine, causing wear and failure. Engine oil filters are typically divided into full-flow oil filters and bypass oil filters. Full-flow oil filters filter all circulating oil, while bypass oil filters only filter a portion of the oil.
2. Industrial Oil Filters
Industrial oil filters are mainly used in various industrial equipment and machinery, such as excavators, loaders, cranes, and injection molding machines. These devices usually operate in harsh environments, placing high demands on the performance of oil filters. Industrial oil filters must not only filter out impurities but also withstand high temperatures, high pressures, and corrosion. Depending on the specific equipment requirements, industrial oil filters may have different structures and materials.
3. Special-Purpose Oil Filters
Special-purpose oil filters are designed for specific application scenarios, such as aviation kerosene filters, diesel generator oil filters, and lubricating oil filters. These oil filters usually need to be customized according to specific operating conditions and medium characteristics to meet special safety and performance requirements.
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Maleflega (Hebei) Technology Co., Ltd. has many years of production experience in the filter industry. It is a professional manufacturer specializing in the design, manufacture, sales and production technology research and development of automotive filters.
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