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Coarse filter: Used for the initial filtration of large particle impurities, commonly installed between the oil tank and the main filter. Fine filter: Capable of further removing fine impurities, it is the core filtering component of the diesel system.

Types and Structures of Diesel Fuel Filters

2025-01-21

Types and Structures of Diesel Fuel Filters

Type:
Coarse filter: Used for preliminary filtering of large particle impurities, commonly installed between the fuel tank and the main filter.
Fine filter: Can further remove fine impurities, it is the core filtering component of the diesel system.
Water separator: Effectively separates water from diesel, preventing water damage to the engine.
Heated filter: Prevents diesel from solidifying in cold climates by heating.
Structure:
The diesel filter typically consists of a filter element housing, filtering material, sealing ring, oil inlet, and oil outlet. The filter element is the core component of the diesel filter, and its materials can be paper, fiber, or metal mesh, etc. The choice of these materials will affect the filtering efficiency and service life.