Double Expansion Joints vs. Universal Expansion Joints: The Purpose of Each and the Key Differences Between the Two

An expansion joint provides safe, balanced movements of material and parts that are normally caused by thermal variations, vibrations or other types of relative conditions.  They designed to absorb heat-induced expansions that are located within pipes, while allowing it to absorb all of the heat that has been induced through expansions, as well as through the contraction of various materials in a safe manner. It is also designed to absorb the vibration as it allows for movement that takes place within the pipes to do so in a more balanced manner.    

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