What are O- Ring Seals & their purpose?

by Horiaki India Quad Rings Seals

O Ring Seals are a doughnut-shaped loop designed to prevent the passage of liquids or gases. And, it’s one of the simplest precision mechanical pieces ever produced, as well as continue to be one of the most widely-utilized sealing products. Plus, O-Rings can be made from plastic or metal, however the purposes of our blog; we’ll focus on the purpose of O-ring sales:

 

The Purpose of O-Rings

 

How O-Rings Work

 

Usually, the purpose of O-Rings is to block a pathway that fluid or air may escape through, as it is a sealing device. Whenever squeezing the O-Ring between two surfaces, it takes up the clearance & blocks the pathway that the fluid or air wants to escape through.

 

And, the rubber of an O-Ring has muscle-memory when squeezed. Moreover, it wants to go back to its original shape. Well, this memory is how the O-Rings seal under low to no pressure. So, with the application of pressure, it squeezes the O-Ring against the wall of the groove forcing it to expand in the opposite direction helping the O-Ring to seal against the walls of the groove.

 

Materials and Varieties

 

Next, O-Rings are made from various types of materials, dependent upon the application. However, some O-Rings are exposed to noxious chemicals or tremendous heat. Thus, different materials are necessary for different scenarios. Further, O-Rings can consist of the following:

 

1. polyurethane

2. silicone

3. neoprene

4. nitrile rubber

5. fluorocarbon

6. numerous other elastomers

 

In addition to this, there are also several standardized O-Ring sizes, but they don’t always need to be circular. Thus, for different types of applications, there are different shapes, which include squares, x-shapes and others.

 

Applications

 

Moreover, O-Rings offer many benefits to an assorted collection of applications. And, they are inexpensive, easy to install & with proper maintenance, can withstand a significant amount of wear as well as tear. Furthermore, because of this versatility, O-Rings prevent leakage in several places.

 

For instance, hydraulic cylinders move very quickly and put a massive amount of pressure on their seals. And, the O-Ring can handle this. Besides, they can function properly in numerous other types of equipment that would not seem apparent. Also, these include laptops and computer mice. Besides, O-Rings are most dominant in the automotive and aerospace fields.

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Created on Jan 18th 2020 22:44. Viewed 307 times.

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