Valve testing equipment is a device used to test the performance of valves, and its main function is to test the sealing performance, opening and closing performance, and pressure resistance of valves. Safety valve is a common type of valve in industrial production, which is mainly used to automatically start when the internal pressure of the system is too high, to discharge excess gas or liquid, to ensure the safety of the system.
During valve testing, it is common to experience safety valve jumping and internal leakage. Safety valve tripping refers to the activation of the safety valve within the design pressure range, which can effectively protect the system; Internal leakage refers to the leakage of some medium from the inside of the safety valve even after the safety valve is activated, which may cause subsequent pressure tests to be unable to be conducted or test results to be inaccurate. Therefore, solving the problems of safety valve jumping and internal leakage is crucial for the normal use of valve detection equipment.
The following are some solutions to the problem of safety valve jumping and internal leakage in valve detection equipment:
1. Check if the regulating pressure of the safety valve is correct. If the regulating pressure is too low, the safety valve will frequently jump. If the regulating pressure is too high, the safety valve will leak internally. Therefore, it is necessary to adjust the regulating pressure of the safety valve according to the actual situation to ensure that it operates within the design pressure range.
2. Check if the safety valve seat seal is good. The seat seal of a safety valve is an important component to prevent medium leakage. If there is a problem with the seat seal of a safety valve, it can lead to internal leakage. Therefore, it is necessary to regularly check the safety valve seat seal and replace it in a timely manner if any problems are found.
3. Check if the spring of the safety valve is outdated. The spring of the safety valve is an important component that controls the starting pressure of the safety valve. If the quality of the spring is poor or the use time is too long, it can lead to inaccurate starting pressure of the safety valve, causing jumping or internal leakage. Therefore, it is necessary to regularly check the quality and service life of the spring, and replace it in a timely manner if there are any problems.
4. Check if the lubricating oil of the safety valve is sufficient. The safety valve needs to use lubricating oil to reduce friction. If the lubricating oil is insufficient, it will cause the safety valve to start insensitivly, resulting in jumping or internal leakage. Therefore, it is necessary to regularly check the quality and quantity of lubricating oil to ensure that it is within the normal range of use.
5. Check if there are any other issues with the valve detection equipment. If none of the above methods can solve the problems of safety valve jumping and internal leakage, it is necessary to check whether there are other problems with the valve testing equipment itself, such as equipment leakage or incorrect usage methods. Other issues need to be promptly resolved to ensure the normal use of valve testing equipment.
In summary, valve detection equipment safety valve jumping and internal leakage are common problems, and solving these problems requires comprehensive consideration of multiple factors. Only regular inspection and maintenance of valve testing equipment and safety valves themselves can ensure their normal operation, thereby improving production efficiency and safety.
