The sealing ring is mainly used for oil-proof, water-proof and anti-corrosion sealing gas to prevent leakage.

The role of various sealing rings: O-rings are mainly used for static sealing and reciprocating sealing. The role of various sealing rings for rotary motion is limited to low-speed rotary sealing devices. The V-shaped sealing ring is generally installed in a groove with a rectangular cross-section on the outer or inner circle for sealing. The V-shaped seal ring is an axially acting elastic rubber seal ring used as a pressureless seal for the rotating shaft.

V-shaped rubber sealing ring: It is a kind of rubber seal used for reciprocating movement. The cross-section is V-shaped. It can provide good stability and better wear resistance, suitable for hydraulic oil, water and emulsion.

U-shaped rubber sealing ring: It is a kind of rubber seal used for reciprocating motion. The U-shaped cross section is referred to as U-shaped seal. Divided into rubber type and cloth type. The usage conditions of the rubber-shaped U-shaped seal are almost the same as the Y-shaped seal.

Y-shaped rubber sealing ring: a type of rubber seal used for reciprocating motion, with a Y-shaped section, referred to as "Y-shaped seal" for short. The operating system generally used for hydraulic or pneumatic transmission plays a sealing role in the piston, piston rod and cylinder parts.

The characteristics of the sealing ring: it is suitable for installation on various mechanical equipment, and it plays a role of sealing in a static or moving state under the specified temperature and pressure and different liquids and gases.

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