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Bellows glossary

These terms will help you understand and use bellows. Please use the details page button.

Bellows part names

Part names of welded bellows and formed bellows (flexible tubes) in cross-sectional shape are shown.

Product part names

Construction of flanged bellows and names of parts used for them are shown.

Displacement types

Bellows are expansion joints, which are used to absorb displacements. Types and forms of expansion/contraction are shown.

About usage environment

Even identically shaped bellows will vary in performance if they are used with different shapes.
Terminology related to the environment that will affect a bellows performance is shown.

About spring properties

Spring properties are one of the features of bellows. Spring properties determine a good part of product shape. Terminology related to the spring properties are shown.

About mounting posture

When the influence of gravity is considered, the mounting condition is a key factor that affects the performance. Terminology related to the mounting posture is shown.

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