Internal self-tightening connection of valve

Internal self-tightening connection of valve

Internal self-tightening connection

The above various forms of connection, are the use of external forces to offset the pressure of the medium, to achieve sealing. The following is an introduction to the connection form of self-tightening by using medium pressure. The sealing ring is installed at the inner cone at a certain angle with the opposite side of the medium, and the medium pressure is transmitted to the inner cone and to the sealing ring. On the cone of a certain angle, two components are produced, one parallel to the center line of the valve body and the other pressed to the inner wall of the valve body. The back part of the force is the self-tightening force. The greater the pressure of the medium, the greater the self-tightening force. Therefore, this form of connection is suitable for high pressure valves. It saves a lot of material and manpower than flange connections, but it also requires a Fixed pretightening force so that it can be used reliably when the pressure in the valve is not high. Valves made of self-tightening sealing principle are generally high-pressure valves.

There are still many forms of valve connections, such as small valves that do not have to be removed and welded with pipes; some non-metallic valves, using socket connections, and so on. Valve users should be treated specifically according to the rest of the tool.

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