1. Install pipe filter method
Regarding the caliber regulating valve, especially the very small flow regulating valve, the throttle valve gap is very small, and there must be no slag in the medium. In case of blockage in this situation, install a filter device on the pipeline before the valve to ensure the smooth passage of the medium. For regulating valves with locator applications, the locator works abnormally, and the throttle valve port of the hydraulic valve block is a common fault. Therefore, when working with the locator, it is necessary to solve the gas source. The general method used is to install a gas filter pressure reducing valve on the gas source pipeline before the locator
2. Medium erosion method
Use the corrosive kinetic energy of the medium itself to erode and bring away items that are easy to settle and block, thereby enhancing the anti-blocking effect of the valve. Commonly used methods are: change to flow-closed application; use motion-sensing oil circuit board; place the throttle valve port at the point of erosion. When selecting this method, special attention should be paid to improving the erosion resistance of the raw material of the throttle valve.
3. External erosion method
When general valve adjustment is used for some media that are easy to settle and contain liquid particles, it is often blocked at the throttle or guiding part, and the bottom plug of the valve cover can be connected with corroding steam and steam. When the valve is blocked or stuck, open the external steam or steam gate valve, and the cleaning work can only be carried out under the condition of not moving the regulating valve to make the valve operate normally.
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