Is the ferrule needle valve a needle-shaped valve?

The ferrule needle valve is a valve used to cut off or adjust the flow. The valve of the ferrule needle valve is needle-shaped and moves along the direction of the water flow to change the cross-sectional area of the flow and adjust the air flow. The current fine-tuning valve requires the valve opening to gradually become larger. If it is closed to open, it can be continuously and finely adjusted. Such ferrule needle valve sealing materials include PTFE seal, copper seal, and cemented carbide seal; and now the ferrule needle valve can adopt special structure and corresponding seal according to different pressures and temperatures, so that it can be Ensure that the valve will not leak under the working pressure. Under such conditions, the seal will not be deformed at the corresponding temperature, and the phenomenon of loose sealing will not occur under the premise of no deformation.

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