Stress analysis of valve bellows

We know that if the stress state of the valve bellows is not good, it is easy to damage itself and cause leakage. So, how does it get the force? Next, we will analyze the stress of the valve bellows for everyone.

1. Regardless of the working environment, the stress distribution law of each layer of the valve bellows is basically the same. The law is: the stress at the peak and trough is large, and the stress at other parts is small.

  2. Under the action of tension or compression, the larger equivalent stress of the valve bellows appears at the wave trough.

3. Larger structural stress occurs under the combined action of compression displacement and internal pressure when it appears in the trough. The larger stress of the structure occurs under the combined action of tensile displacement and internal pressure when the wave crest occurs.

4. When working, the stress of the valve bellows is basically caused by the displacement load, so the displacement must be strictly controlled when in use.