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What’s O-Ring

2024-06-29 18:40:17

O-rings can be used in a variety of applications because they are made from a variety of materials. O-rings are usually made of rubber, or more specifically a polymer/elastomer. These polymers are usually cured by vulcanization, resulting in strong, durable and more elastic rubber materials.

P-rings are the most common mechanical design for seals because of their low cost, simplicity of manufacture, reliable function, and simple installation requirements. O-rings are subjected to pressures of tens of megapascals (kilo-pounds). O-rings can be used in static applications as well as in dynamic applications where there is relative movement between components, such as shafts of rotary pumps and pistons of hydraulic cylinders.

The O-ring is suitable for being installed on various mechanical equipment, under the specified temperature, pressure, and different liquid and gas media, it can play a sealing role in static or moving state. Various types of seals are widely used in machine tools , ships, automobiles, aerospace equipment, metallurgical machinery, chemical machinery, construction machinery, construction machinery, mining machinery, petroleum machinery, plastic machinery, agricultural machinery, and various instruments and meters. element. O-rings are mainly used for static sealing and reciprocating sealing. When used for rotary motion seals, it is limited to low-speed rotary seals. The O-ring is generally installed in the groove with a rectangular cross-section on the outer or inner circle to play a sealing role. O- rings still play a good role in sealing and shock absorption in environments such as oil resistance, acid and alkali resistance, grinding, and chemical erosion. Therefore, O-rings are the mos t widely used seals in hydraulic and pneumatic transmission systems.

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FKM and NBR elastomers be choosen by most of Clients in Xingtai xinchi. Additionally, moderate temperature applications between -15°C and 110°C are served by both compounds, making either material a very good choice for general industrial use. Actually, Both materials are well suited for use in the -30 to 125°C range. FKM has an advantage in lower temperatures and higher temperatures. FKM rubber is more soft and elastic. But the price of FKM elastomer is rise on from August of this year, the cost is higher than before. NBR has a slight advantage when comparing short term resilience. NBR having specific resistences to acids, diluted alkalies, hydraulic fluids, water, ethylene glycol fluids and alcohols. FKM has specific resistence to steam, ozone, compression set, broad spectrum chemical resistance, aromatic hydrocarbons, chlorinated hydrocarbons, non-flammable hydraulic fluids, aging, strong acids, brake fluids, acetone, halogenated hydrocarbons, vacuum and most acids.