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Industrial valve is an important accessory to control the flow of media on industrial pipelines, widely used in petroleum, chemical, metallurgy, electric power, paper, pharmaceutical, food and other industries. In order to ensure the normal operation of industrial valves and extend their service life, they need to be regularly maintained.
1. Regular inspection Regular inspection of industrial valves is an important part of maintenance. The inspection contents include: whether the appearance of the valve is damaged, corrosion and other phenomena; Whether the sealing performance of the valve is good; Whether the operation of the valve is flexible, whether the connection part of the valve is loose, etc. If the problem is found, it should be repaired or replaced in time.
2. In the process of use, industrial valves will produce dirt and impurities inside the valve because of the corrosion and precipitation of the medium. These dirt and impurities will affect the sealing performance and operating performance of the valve, so it needs to be cleaned regularly. When cleaning, you can use water or chemical cleaning agents to remove dirt and impurities.
3. The operating parts of industrial valves, such as stem, valve, etc., need to be lubricated regularly to ensure flexible operation. To lubricate, lubricating oil or grease may be used and applied to the operating parts.
4. Industrial valves are prone to corrosion and oxidation of the medium during use, so it is necessary to conduct regular anti-rust treatment. Anti-rust treatment can use anti-rust agent or anti-rust paint, which is applied to the valve surface.
5. If the industrial valve is not used for a long time, it needs to be stored in a dry and ventilated place, and inspected and maintained regularly. When storing, the valve should be avoided from being squeezed and collided by heavy objects, so as not to damage the valve.
6. Precautions
When maintaining industrial valves, the following points need to be noted:
1. The valve should be closed before maintenance, and the medium in the pipeline should be emptied to avoid danger.
2. Proper tools and equipment should be used during maintenance to avoid damage to the valve.
3. After maintenance, the operating parts of the valve should be restored to the original position, and trial run should be carried out to ensure the normal operation of the valve.
4. For some special industrial valves, such as high temperature valves, high pressure valves, etc., need to be maintained in accordance with relevant regulations.
In short, regular maintenance of industrial valves can extend their service life, improve their work efficiency and reduce the occurrence of failures. I hope that the maintenance methods described above will be helpful to you.