subject: Some General Failures to a Hydraulic Check Valve [print this page] Some General Failures to a Hydraulic Check Valve
Hydraulic check valves refer to valves used in various hydraulic systems. They are mainly designed and manufactured into control the movement and pressure of a wide rang of fluids. If such mechanisms fail to work, it is easy to come across the unpleasant situations with poor performance and even total failure to work. With the great benefit they bring, it is necessary and wise to have some periodical check in order to prevent those problems from happening. Perhaps, there are three points which need more attentions.
The first one concerns about the service life. Within long-term normal usage, the mechanism is accessible to meet wear and tear. Such would have greatly bad influences on the entire service life. Therefore, it is suggested to do some periodical replacement in case of further failure. This effective measurement can definitely ensure proper hydraulic system operation.
Then, the performance of spring should be also concerned. It is well-known that the inside spring aims to open or close the valve within the pressure change. The movement of the spring can effectively determine the passing through of the flow. As a result, the failure of such device matters a lot. This unpleasant situation can be found by periodical check. This would mainly caused by the sediments. Thus, restoring spring function can be achieved by cleaning out these sediment. But if the spring itself is damaged, it is wise to replace it with a new one.
Beside, the phenomena called the cavitation is easy to come being. It happens from the exceeding situation from demand to supply. As a result, the abnormal pressure causes the vapor bubbles to form. Such would do great damages to the metal parts. Therefore, it is suggested to check for metal corrosion some time. And it can be solved by adjusting and replacing the load control valves periodically.
The above three main problems frequently occur in the operating. No matter what, it is true that periodical is quite necessary and significant during the employment. As a result, the checked hydraulic check valves are back to make their contributions to many industrial processes with excellent performance.