Selection and installation techniques of metal O-ring seals to ensure sealing effect

Metal O-ring seals are one of the common sealing elements in the industrial field. They are widely used in various equipment and systems to prevent the leakage of liquid or gas and ensure the sealing performance of the system. However, in order to ensure the best sealing effect, the correct selection and installation of metal O-ring seals is crucial. This article will introduce the selection and installation techniques of metal O-ring seals to help you ensure the sealing effect.

1. Choose the right material:

Choosing the right material is one of the keys to ensuring the sealing effect of the metal O-ring seal. Different working environments and media may require sealing rings made of different materials. Common materials include 304, 316 stainless steel, etc. Select the appropriate material according to the nature of the medium, temperature, pressure and other factors to ensure that the sealing ring can work stably for a long time.

2. Determine the appropriate size:

Correct size matching is one of the important factors to ensure sealing effect. The size of the sealing ring should match the size of the mounting notch to ensure that the sealing ring can completely fill the notch and achieve a good sealing effect. When selecting a sealing ring size, consider parameters such as its inner diameter, outer diameter and cross-sectional diameter to ensure it matches the mounting notch.

3. Pay attention to the installation direction:

When installing the metal O-ring, pay attention to its installation direction. Generally, the flat surface of the sealing ring should be kept perpendicular to the sealing surface to ensure that it can properly withstand pressure and form an effective seal. If the installation direction is incorrect, the sealing ring may be damaged or the sealing effect may be poor.

4. Use appropriate lubricant:

When installing metal O-rings, appropriate lubricants can help reduce friction and wear and improve sealing effectiveness. It is very important to choose the appropriate lubricant. You should choose a lubricant that is compatible with the sealing ring material and avoid using lubricants containing grease or oily ingredients to avoid damaging the sealing ring material.

5. Pay attention to the pre-pressure:

When installing the metal O-ring seal, ensure appropriate pre-pressure to ensure that the seal ring can effectively fill the groove and maintain good sealing performance. Too small a pre-pressure may result in poor sealing effect, while an excessive pre-pressure may cause the sealing ring to be deformed or damaged. Therefore, when installing the sealing ring, the appropriate preload should be determined based on factors such as pressure and temperature.

in conclusion:

The correct selection and installation of metal O-ring seals is the key to ensuring the sealing effect. By selecting appropriate materials and sizes, paying attention to the installation direction, using appropriate lubricants, and ensuring appropriate pre-pressure, you can ensure that metal O-rings can work stably and effectively prevent liquid or gas leakage, safeguarding equipment and systems. of normal operation.

[DLSEALS kindly Reminder] Sealing issues? Turn to DLSEALS! As a sealing component manufacturer, we specialize in customizing sealing components, providing a full range of services from design, research and development, production, testing, and more. If you have more information you'd like to know, feel free to contact us directly. DLSEALS's product experts are dedicated to serving you!