- Stainless steel globe valve working principle and characteristics
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As a kind of extremely important globe valve, the globe valve is sealed by applying torque to the valve stem, and the valve stem applies pressure to the valve flap in the axial direction, so that the valve sealing surface and the valve seat sealing surface are closely fitted to prevent The medium leaks along the gap between the sealing faces.
The sealing pair of the globe valve is composed of a valve sealing surface and a valve seat sealing surface, and the valve stem drives the valve flap to move vertically along the center line of the valve seat. During the opening and closing process of the shut-off valve, the opening height is small, the flow rate is easy to adjust, and the manufacturing and maintenance are convenient, and the pressure is applicable to a wide range.
Compared with another commonly used cut-off type valve in industrial production, the shut-off valve is structurally simpler than the former, and is easy to manufacture and repair. In terms of service life, the sealing surface of the globe valve is not easy to wear and scratch, and there is no relative sliding between the valve flap and the sealing surface during the valve opening and closing process, so the wear and scratch on the sealing surface are small, so the sealing is improved. The service life stop valve of the auxiliary service has a small valve stroke during the full-closed process, and its height is relatively small compared to the alarm valve.
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