What to Know to Select the Style of Rubber Expansion Joints You Need

Rubber expansion joints are designed to absorb anticipated piping movements or displacements, reduce noise and vibration and have a life cycle in the tens of millions. They also compensate for misalignments, provide access to piping and equipment, and relieve pipe and anchor stresses. The most important design function is their ability to absorb fluctuating thermal or external movements in an otherwise ridged piping systems, and thereby replacing or exchanging the often catastrophic effects of these stresses with the inherently low stiffness or spring rate of the rubber expansion joint.

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