yoyik globe valve SHV20 offer for power plant use

Date:2021-2-22 10:05:47 Visits: Author:Dongfang YOYIK Engineering Co; Ltd,

 Globe valve is a forced seal valve, so when the valve is closed, pressure must be applied to the disc to force the sealing surface not to leak. When the medium enters the valve from below the valve disc, the resistance to be overcome by the operating force is the friction between the stem and packing and the thrust generated by the pressure of the medium. The force to close the valve is larger than that to open the valve, so the diameter of the stem should be larger, otherwise the stem will be bent.

globe valve SHV20
The globe valve plays an important role in cutting off and throttling the medium in the pipeline where it is located. As an extremely important cut-off valve, the sealing of the globe valve is to apply torque to the valve stem, and the valve stem applies pressure to the valve disc in the axial direction, so that the sealing surface of the valve disc fits closely with the sealing surface of the valve seat, preventing the medium from leaking along the gap between the sealing surfaces.
globe valve SHV20
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