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Differences Between Metal Seals and Rubber Seals

Jul . 05, 2024 17:55 Back to list

Differences Between Metal Seals and Rubber Seals


Differences Between Metal Seals and Rubber Seals
 
In this article, We willll explore the differences between metal and rubber (plastic) seals, focusing on O-rings as a representative example.
 
The Difference Between Metal and Rubber Seals for Bearings
 
Metal and rubber seals are two of the most common types of seals used in bearings. Metal seals are more durable and can withstand extreme temperatures, while rubber seals are more cost-effective and easier to install.
 
Metal Seals
 
Metal seals are made from a variety of materials, including steel, stainless steel, and bronze. They are typically used in applications where high temperature, pressure, or chemical resistance is required. Metal seals can be either static or dynamic. Static seals do not move, while dynamic seals move with the bearing.

neoprene rubber gasket with customized size and color sealing water and rubber flange gasket


 
Rubber Seals
 
Rubber seals are made from a variety of elastomers, including nitrile, neoprene, and silicone. They are typically used in applications where cost and ease of installation are more important than durability or temperature resistance. Rubber seals can be either static or dynamic. Static seals do not move, while dynamic seals move with the bearing.
 
Advantages of Metal Seals
- Durable
- Can withstand extreme temperatures
- Chemical resistant
 
Disadvantages of Metal Seals
- More expensive
- More difficult to install
 
Advantages of Rubber Seals
- Cost-effective
- Easy to install
 
Disadvantages of Rubber Seals
- Not as durable as metal seals
- Not as temperature resistant as metal seals
 
Which Type of Seal is Right for You?
 
In an era of increasing environmental regulation and the need for improved efficiency and reliability, metal seals offer the most reliable sealing solutions. They are well-equipped to meet the demands of today's world and future challenges. If you're interested in further reading, check out our articles on "Introduction of Metal Seals" and "The Evolution of Metal Seals".
 
For more information about our range of metal seal products, or to discuss specific sealing challenges, please feel free to contact us at Sonkit Industry. Our mission is to help engineers solve their toughest sealing problems.

Sonkit Industry Technology Co., Ltd. is a privately-owned company that was founded in 2010. Starting in 2012, Sonkit specializes in metallic seals. We develop and manufacture high-performance metal seal rings. In 2018, we customized a series of high-end heat-treating equipment to solve heat treatment quality control problems.
 
Our plant is located in Shanghai, China. We can research and develop, customize, and manufacture metal seal products for critical environments that are subject to extremes of temperature, pressure, medium, or combinations of these factors. The applications of our products include flow meters, defense and military, nuclear, mold, chemical fiber, semiconductor and vacuum pumps, aircraft engines, and pressure pipelines, among others.

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