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Bellows The flexible element of an expansion joint consisting of one or more convolutions. Bellows expansion joint Any device containing one or more bellows used to absorb directional changes, such as those caused by thermal expansion or contraction of a pipeline, duct, or vessel Bellows side effects We have noted how placing a flexible metal …

Limit rods Limit rods are devices with the primary function of restricting the bellows movement range. The limit rods are designed to prevent bellows over-extension or over-compression while restraining the full pressure thrust in the event of a main anchor failure. Main anchor A main anchor is one installed at any of the following locations …