Ejma Standard.pdf 2021

The standard provides methodologies for calculating the thermal expansion that a piping system will experience and how much movement an expansion joint must accommodate. It includes formulas for determining the stress and reaction forces on the expansion joint.

The EJMA standard has a long history, evolving over the years to meet the changing needs of the industry. It is developed and published by the Expansion Joint Manufacturers Association, in close cooperation with ASME. The standard provides detailed requirements for the design calculations, materials, fabrication, testing, and inspection of expansion joints. Its primary goal is to ensure the safe and reliable operation of expansion joints in various applications, including power generation, chemical processing, and HVAC systems. Ejma Standard.pdf

This is the heart of the standard. It covers: It is developed and published by the Expansion