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Where should a good O-ring be purchased?

Update:21-02-2022
Summary:

O-ring is a kind of rubber sealing ring with a circular […]

O-ring is a kind of rubber sealing ring with a circular cross-section. Because of its O-shaped cross-section, it is called an O-ring, also called an O-ring. O-rings began to appear in the mid-19th century, when o-rings were components of steam engine cylinders.

 

 

When customers buy O-rings, what are they generally based on? The purchase of O-rings should be based on materials, shrinkage and size, etc. Let's share some buying experience with us.

 

First of all, when choosing an O-ring, we must confirm the information of the O-ring in advance. At present, there are many kinds of materials on the market, industrial parts and O-rings in life, so I won't list them all here. The materials that are not used have different effects, some are more durable, some are more resistant to high temperature or high pressure, and some are more resistant to chemical substances and so on. Therefore, when many customers buy, they must know where the O-ring is used, what effect it needs, and whether there are strict requirements on the service life, so that the purchase intention can be clear and the right one can be quickly purchased.

 

The second is to pay attention to the standard size of the O-ring, which is mainly divided into outer diameter, inner diameter and wire diameter to express. Therefore, we generally mark the dimensions of the inner diameter and the wire diameter on our engineering drawings, or the dimensions of the outer diameter and the wire diameter. The standard public service of the O-ring is mainly based on the public service of the inner diameter and the public service of the wire diameter. Under normal circumstances, the detailed standard public service of the O-ring will ultimately depend on the size of the scale. If the scale standard is larger, the public service will be relatively larger.

 

The O-ring has excellent sealing performance and high working life. The working life of dynamic pressure seal is 5-10 times higher than that of conventional rubber sealing products, and even up to tens of times in some cases, and can be the same as the sealing base under certain conditions. Numbers are a very important thing.

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