E320B E320C E320D Boom Seal Kit for Excavator Parts Hydraulic Cylinder Oil

Oil seals can be classified into the following types based on different classification criteria:

1. Classification by material: Oil seals are usually made of materials such as rubber, metal, plastic, etc. According to different materials, oil seals can be divided into types such as rubber seals, metal seals, and plastic seals.

2. Classification by use: Oil seals can be classified into types such as shaft seals, piston seals, and static seals based on their different uses. The shaft seal is mainly used for sealing the rotating shaft, the piston seal is mainly used for sealing the reciprocating piston, and the static seal is mainly used for sealing between fixed parts.

3. Classified by structure: There are many types of oil seals, including single lip oil seals, double lip oil seals, skeleton oil seals, elastic oil seals, etc. Oil seals with different structures are suitable for different working conditions and equipment requirements.

4. Classification by work environment: According to different work environments, oil seals can be classified into general industrial oil seals, automotive oil seals, chemical oil seals, and other types. Different working environments require different materials and performance requirements for oil seals.

In summary, the classification of oil seals is based on differences in materials, applications, structures, and working environments. Different types of oil seals have different characteristics and applicability.

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