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Air Filters[SJ Auto Co., Ltd.]

Product Detail Information

Air Filters[SJ Auto Co., Ltd.]

[ korea manufacturers / korea suppliers / korea product ]


Air Filters is Designed to Protect the Engine from direct contamination by external pollutants.

  1. An engine's air intake is between 200 and 500m3 of air per hour, depending on its cubic capacity.
    The absorbed air is full of impurities depending on the climate, ground surface, level of atmospheric pollution, etc.
  2. In addition to these impurities there is dust, which if mixed into the engine oil, eventually becomes an abrasive paste, which severely damages the engine.
  3. The main purpose of the air filter is to remove harmful dirt particles from the air intake by introducing a filter media between the air intake and the entry into the cylinder(s) in petrol engines prior to the carburetor.
A. Polyurethane Air Filters
- These filters can come in both panel and radial types. The frame of the panel type is composed of polyurethane. For the radial type air filter, both the top and bottom cap are formed from polyurethane.
Most radial type filters will have a metal mesh lining in the inner circumference of the filter. Different media types can be used.
B. Plastic Air Filters
- These filters are categorized by having a rigid plastic frame surrounding the media.
They are available for both panel and radial style filters.
They usually have a flexible plastic gasket surrounding the edge of the plastic frame.
They sometimes are divided down the middle of the filter by a divider of rigid plastic.
They are produced in both dry type and wet type. In the dry type, a cotton media is used.
In the wet type, the filter media is composed of paper, which is sprayed with oil.
C. Steel Cap Air Filters
- This filter is made in both the dry and wet types. Some of the filters have a metal mesh lining. They can be radial or square in shape with a hollow center. The top and bottom caps are made out of steel. Some of the radial shaped steel cap filters have a rubber ring on the cap. Various types of media can be used to produce these filters.