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Flange connection of valve
flange connection
This is the most commonly used form of connection in the valve. According to the shape of the joint surface, it can be divided into the following categories:
1. Smooth: for valves with low pressure. convenient processing and comparison
2, concave and convex type: high working pressure, medium hard washer can be used
3, tenon and groove type: the gasket with large plastic deformation can be used widely in corrosive medium, and the sealing effect is better.
4. Trapezoidal groove: an oval metal ring is used as a gasket, and a valve with a working pressure of 64 kg/ cm2 or a high-temperature valve is used.
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