Hinged Expansion Bellows

A hinged expansion joint is a metallic assembly, that can rotate in a single plane, used to absorb changes resulting from piping thermal expansion or contraction.

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They include hinges, attached to the expansion joint ends with a pair of pins, which allow angular movement in a single plane, restrain the pressure thrust, and prevent the expansion joint from deflecting axially, either in extension or compression. It is recommended that the hinges should be used in sets of two or three. The expansion joint hinges provide for angular movement and will resist pressure thrust forces.


Air, Steam, & Flue Gas Ducts

Power Plants

Chemical Industry

Gas Turbine System

Petrochemical Industry

Primary reformer ducts & burners

Steel Plants