Rubber o-rings are a type of rubber seal with a circular cross section. They are widely used in many industrial and living fields for their simple and efficient sealing function.

2. Material characteristics

Nitrile rubber (NBR)

O-rings made of nitrile rubber have good oil resistance and wear resistance. In the engine, gearbox and other parts of the car, they are often exposed to various lubricating oils. NBR Rubber o-rings can withstand the erosion of these oils for a long time, prevent leakage, and ensure the normal operation of mechanical parts. At the same time, in some sealing environments where there is frequent friction, its wear resistance can ensure the durability of the seal.

Silicone rubber (VMQ)

Silicone Rubber o-rings are characterized by excellent heat resistance and cold resistance. In the heat dissipation system of electronic equipment, it may face higher temperatures. Silicone Rubber o-rings can maintain stable sealing performance at high temperatures. In low temperature environments, such as refrigeration equipment or outdoor equipment in cold areas, it will not become hard or brittle due to low temperatures, and can still be effectively sealed.

Fluororubber (FKM)

Fluororubber o-rings have strong resistance to chemicals. In the chemical industry, various corrosive chemicals are often exposed. FKMRubber o-rings can resist the erosion of corrosive substances such as strong acids and alkalis, thereby ensuring the sealing of chemical equipment and preventing the leakage of hazardous chemicals.

Rubber o-rings

3. Sealing principle and application

Sealing principle

Rubber o-rings rely on their own elastic deformation to achieve sealing. When installed in the sealing groove and subjected to a certain pressure, the O-ring will be squeezed and deformed to fill the sealing gap, thereby preventing the leakage of media (such as gas, liquid, etc.).

Application field

In mechanical manufacturing, whether it is the hydraulic system of machine tools or the seals of various industrial pumps, Rubber o-rings are indispensable components. In daily life, faucets, bathroom equipment, etc. often use Rubber o-rings to prevent water leakage. In the field of aerospace, Rubber o-rings are also used in engines, fuel systems and other parts with extremely high sealing requirements to ensure flight safety and normal operation of equipment.

Keyword:

Rubber o-rings

As the leading designer and manufacturer of rubber parts and seals, DESIOR Rubber has a wide range of products to meet all your sealing needs. From our vast o-ring inventory of virtually any shape and size to our complex, custom sealing solutions, we have precisely what you need for any sealing application.

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