Medium Conditions For Fluorine-lined Valves

When users select various types of Lined Valve, they should try their best to understand and master the technical conditions for use, so as to select and use them well and increase the service life of the valve. When encountering a situation that exceeds the scope of the technical conditions for use, they should propose it to the manufacturer, negotiate together, and take corresponding countermeasures to solve it. The following introduces the medium conditions for the use of fluorine-lined valves and the points to pay attention to when using them.
The medium conditions for the use of fluorine-lined valves should not have hard particles, crystals, impurities, etc., so as to avoid the valve from wearing out the fluorine-lined plastic layer or PTFE bellows of the valve core and valve seat during the operation of opening and closing. For media with hard particles, crystals, and impurities, when selecting, the valve core and valve seat can be replaced with Hastelloy.
The diameter size of the fluorine-lined valve should be correctly selected according to the required flow rate (Cv value). When selecting, the valve diameter and valve opening should be calculated based on the required flow rate (Cv value) and other technical parameters. If the valve diameter is too large, the valve will inevitably operate at a small opening for a long time. Coupled with the pressure of the medium, the valve core and stem will easily be impacted by the medium and cause the valve to vibrate. The valve core stem may even break under the impact of the medium for a long time.