Structure form of stop valve
Classification:
Release Time：2019-02-21
Valve is mainly used to connect or cut off the medium in the pipeline, generally not used to adjust the flow. Valve applicable pressure, temperature range is very large, but generally used for medium and small diameter pipe. Cut-off valve structure principle: 1, the center of the inlet and outlet of the cut-off valve is located in the same straight line, and the fluid flows like an S-shaped sphere, so it is also called a spherical cut-off valve. 2. When the valve seat of the valve stem is lowered toward the bottom sealing surface, the medium stops flowing; when the valve stem rises, the medium passes through the flow channel from below to above. When the stop valve is installed, there is generally a direction requirement. The flow direction of the medium in the pipeline generally flows through the valve seat from bottom to top, which is our
Valve is mainly used to connect or cut off the medium in the pipeline, generally not used to adjust the flow. Valve applicable pressure, temperature range is very large, but generally used for medium and small diameter pipe.
cut off valve structure principle:
1. The center of the inlet and outlet of the stop valve is located on the same straight line, and the fluid flows like an S-shaped sphere, so it is also called a spherical stop valve.
2. When the valve seat of the valve stem is lowered toward the bottom sealing surface, the medium stops flowing; when the valve stem rises, the medium passes through the flow channel from below to above.
Globe valve installation generally have direction requirements, the flow of the medium in the pipeline generally from bottom to top flow through the valve seat mouth, is what we often say the so-called "low into high", the purpose is to reduce the fluid resistance, so that the opening and closed state of the valve stem, packing culvert part is not in contact with the medium, to ensure that the valve stem and packing culvert damage and leakage.
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