Discussion on valve leakage and its protective measures

Valves play a vital role in industrial piping systems, controlling the flow of fluids. However, valve leakage often plagues many companies, leading to reduced productivity, wasted resources, and potential safety hazards. Therefore, understanding the causes of valve leakage and how to prevent it is crucial.

I. Causes of valve leakage

Valve leakage is mainly divided into two categories: liquid leakage and gas leakage. Liquid leakage usually occurs between the valve sealing surface, valve stem and valve body, while gas leakage is more common in the sealing part of gas valves. There are many reasons for valve leakage, mainly including the following:

1. Wear and aging: During long-term use of the valve, the sealing material will gradually wear due to factors such as friction and temperature changes, resulting in a decrease in sealing performance.
2. Improper installation: Improper installation position, angle and tightening degree of the valve will affect its sealing effect and cause leakage.
3. Material defects: If there are defects in the manufacturing materials of the valve, such as pores, cracks, etc., it will also cause leakage.
4. Improper operation: During operation, excessive pressure or temperature changes may cause the valve seal to fail.

II. Impact of gas leakage

Gas leaks not only waste resources but can also cause safety incidents. For example, natural gas leaks can cause explosions, while chemical gas leaks can pose serious threats to the environment and personal safety. Therefore, timely detection and resolution of valve leaks is crucial to ensuring production safety.

Ⅲ. Preventive measures for valve leakage

In order to effectively prevent valve leakage, companies can take the following protective measures:

1. Regular inspection and maintenance: Regularly inspect and maintain the valve, and replace worn seals in time to ensure the normal operation of the valve.
2. Reasonable material selection: During the valve selection process, appropriate materials should be selected based on factors such as the properties of the fluid, temperature and pressure to improve the durability and sealing of the valve.
3. Standardized installation: Ensure that the valve installation complies with relevant standards to avoid leakage problems caused by improper installation.
4. Train operators: Provide professional training to operators to improve their understanding of valve operation and avoid leakage caused by improper operation.
5. Use leak detection equipment: Introduce advanced leak detection technology and equipment to monitor the operating status of the valve in a timely manner and promptly address any problems found.

Ⅳ. Summary

Valve leakage is a serious issue that cannot be ignored, directly impacting a company’s production efficiency and safety. Understanding the causes of valve leakage and implementing appropriate preventative measures can effectively reduce leakage risks and ensure smooth production. Companies should prioritize valve management and maintenance to ensure stability and safety under all operating conditions. Only in this way can they remain invincible in the fiercely competitive market.

TWS has introduced advanced sealing technology for the butterfly valve, check valve and gate valve product line, achieving “0” leakage performance in line with the highest international standards, aiming to completely eliminate fugitive emissions from pipelines and ensure system safety.