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TIME:2013-08-06 Source: This site

Introduction and installation precautions of fluorine lined check valve

check valve Introduction and installation precautions

We all know that the function of PTFE lined check valves is to only allow the medium to flow in one direction. Normally, it works automatically, and under the action of fluid pressure in one direction inside, its valve disc opens; When the fluid flows in the opposite direction, the pressure of the fluid and the self weight of the valve disc will cause the valve disc to act on its seat, thereby cutting off the flow in the opposite direction. Simply put, a fluorine lined check valve relies on the flow of the medium itself to automatically open and close the valve disc, thereby preventing the reverse flow of the medium. It is an anti-corrosion valve, also known as a check valve or one-way valve.

We usually have several points to note during the installation of fluorine lined check valves, as follows Fluorine lined valve factory Let me briefly explain for you.
1. During the installation process of the fluorine lined check valve, do not let it bear the weight of the pipeline. If it is a large check valve, an independent support should be set up to prevent it from being affected by the pressure generated by the pipeline system.
2. During the installation of fluorine lined check valves, special attention should be paid to the direction of the medium flow, which should be consistent with the direction of the arrow on the valve body.
3. If it is a vertical check valve, it should be installed on a vertical pipeline, otherwise its fluorine lined check valve will not work.
4. If it is a horizontal check valve, it should be installed on a horizontal pipeline, otherwise the fluorine lined check valve will not work.

 

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When the gap between the components of the fluorine lined DC cut-off valve exceeds the tolerance

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