What are the maintenance methods of cryogenic ball valve in daily use

When selecting valve products, buyers should not only pay attention to Low temperature ball valve It is reliable, and more attention should be paid to relevant maintenance methods in the later application of ball valves. After all, the valve device is different from some other products. There are many types of environments in its application, which are likely to be affected by the environment, such as sealing, loosening or corrosion. The following details the daily maintenance methods of cryogenic ball valves.

Method 1: Apply antirust oil regularly

During daily use, pay attention to ensure that the relevant environment is dry, and clean up the blocked part of the channel at both ends. If the cryogenic ball valve is stored for a long time and does not work, please pay attention to check the parts on it. If there is dirt on it, pay attention to apply some antirust oil after cleaning, and check the cryogenic ball valve before each installation and use. The main inspection items are wear of the sealing surface, valve stem and thread. If there is no problem, it can be opened and used normally.

Method 2: Conduct sealing performance test

After the cryogenic ball valve is opened, the sealing performance test shall be carried out first. Especially for the ball valve in operation, more attention should be paid to the integrity and smoothness of each component, especially the flange thread and the bolt on the bracket. If the thread is intact and there is no looseness, it can be opened for operation. During the whole operation process, attention should be paid to installing the corresponding protective cover on the valve stem to keep the scale of the whole cryogenic ball valve clear and complete, so as to keep the service performance of the cryogenic ball valve stable.

In a word, during the daily maintenance of the cryogenic ball valve of Shanghai Yonglong Valve Factory, excessive clearance is not allowed, and the integrity of the entire pneumatic accessories should be paid attention to. Especially in the installation process, all insulation jackets should not have dents or cracks. More importantly, some heavy objects should not be pressed down during movement. In addition, when purchasing such products, we should also pay attention to which Low temperature ball valve Its quality is better, providing a good guarantee for future applications. (Text/CNPV)