Universal Expansion Joints

universal-metal-expansion-joints-iran Universal Expansion Joints

Universal Expansion Joints

A universal expansion joint is one containing two bellows joined by a common connector for the purpose of absorbing any combination of the three basic movements, i.e. axial movements, lateral deflection, and angular rotation. Universal expansion joints are usually furnished with control rods to distribute the movement between the two bellows of the expansion joint and stabilize the common connector. This definition does not imply that only a universal expansion joint can absorb combined movements. 

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