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What causes movement in a flanged joint?
Another frequent cause of movement in a flanged joint is differential thermal expansion. Many common industrial materials expand when heated. Often, they expand at different rates. When two or more pieces of the flanged joint expand at different rates, the joint no longer fits together as well as it previously did. Often, a gap or a leak will occur.
Other causes of movement in a flanged joint include vibration and embedment, and relaxation.
Regardless of the cause, movement in a flanged joint can compromise its effectiveness and lead to joint failure. Adding a Belleville disc spring or a series of Bellevilles reduces the movement in the joint by holding the gasket and flanges in place. BelleFlex™ engineers can advise you on how Bellevilles may be used in your application to reduce movement in flanged joints.
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