Linde Polymer Tec Co.,Ltd. is one of the most experienced manufacturers and suppliers of ring seal o ring in China, also supports customized service. Please feel free to buy high quality ring seal o ring for sale here from our factory.
ring seal o ring
Products Description
Ring seal O ring is an elastic ring with a cut into a groove. Due to the elastic force of the ring itself, when it is placed in the groove, the outer circle of the ring will be close to the shell, thus achieving sealing. Under the action of the medium pressure, one end face of the ring fits on one side of the ring groove, generating relative movement, using liquid for lubrication and plugging, thereby achieving a sealing effect.
Features
- Elastic fit: The ring fits tightly with the shell by its elastic force, providing an initial sealing effect.
- Media pressure assistance: The pressure of the working medium further promotes the fit of the ring and enhances the sealing effect.
- Liquid lubrication: Liquid is used to lubricate the contact surface in relative motion to reduce wear and extend service life.
- Applicable to liquid media: Ring seals are mainly used for sealing liquid media because liquid is needed to provide lubrication and plugging.
Application
Ring seals are widely used in occasions where liquid sealing is required, especially in devices with sealing oil. They are usually used for gas sealing, and oil lubrication of friction surfaces is required. The working temperature usually does not exceed 200℃, the pressure of rotary motion does not exceed 1.5MPa, and the pressure of reciprocating motion does not exceed 70MPa.
Ring seals are widely used in various industrial fields, and the main uses and application scenarios include：
Shaft sealing device: Ring seals are widely used in vehicles, rockets, aircraft engines, turbochargers, and other shaft sealing devices due to their wide working pressure range, ability to withstand high linear speed,s, and wide operating temperature range.
Reciprocating compressor and internal combustion engine piston seals: Ring seals are often used for piston seals of reciprocating compressors and internal combustion engines with high operating temperatures, as well as turbine shaft seals.
Piston ring seals: The pistons of internal combustion engines and compressors are often equipped with multiple piston rings, one of which is an oil scraper ring, which is mainly used to prevent lubricating oil from entering the combustion chamber or compression volume.
Rotation and reciprocating motion seals: Ring seals can be used for reciprocating or rotary motion. It is a metal elastic ring with a cut, commonly known as a piston ring, which is a contact dynamic seal used to block leakage gaps.
Liquid and gas seals: With the development of industry, expansion ring seals are widely used in mechanical engineering, mainly for the sealing of liquids and gases.
Seals for piston compressors, hydraulic cylinders, and motor pistons or plungers: expansion ring seals are suitable for this equipment due to their good pressure resistance, reliable operation, long life, and low friction resistance.
Sealing oil device: expansion ring seals are widely used in sealing oil devices. When used for gas sealing, the friction surface must be lubricated with oil. The working temperature generally does not exceed 200℃, the linear speed does not exceed 10m/s, the reciprocating motion pressure does not exceed 70MPa, and the rotary motion pressure does not exceed 1.5MPa;
***Standard Size and customized, we can OEM and ODM.
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