Fluorine-lined regulating valve stuck or blocked treatment method
CLICLS:526
The guide surface produces strain and scratch, the sealing surface produces indentation, etc. This often occurs in the early stages of commissioning after a new system or overhaul. This is the most common failure. In this case, must be unloaded for cleaning, remove slag, such as sealing surface by the pipeline welding slag, rust, residue, etc. in the throttling mouth, guide part, under the valve cover balance hole caused by blocking or stuck spool surface, to damage should also be grinding; At the same time, open the bottom plug to flush out the slag from the balance hole into the lower valve cover and flush the line. Before putting into operation, let fluorine lining regulating valve fully open, medium flow after a period of time into normal operation