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Expansion Joints | Metallic Expansion Joint | Elastomeric Expansion Joint


Metallic Expansion Joint

Expansion joints are used to provide a point of flexibility in duct and piping to relieve stress caused by system movement. Our Effox-Flextor brand Metallic Expansion Joints are designed to optimize efficiency, performance, and reliability, incorporating a comprehensive engineering and manufacturing approach to meet the ever-increasing expansion joint requirements of:

  • Solid fuel and natural gas power plants
  • Refineries
  • Cement plants
  • Steel mills
  • Pulp & paper plants
  • Gas turbine applications
  • Process piping

We offer custom-engineered designs for each application and have supplied expansion joints to a wide array of field applications.



  • Extremely long lasting service life
  • Custom manufacturing per each application
  • Superior corrosion resistance
  • Allow for extremely high-pressure applications
  • Corten, Carbon Steel, and Stainless Steel materials all kept in stock for competitive pricing and quick turn-around
  • Can be designed to carry duct loads
  • ISO-9001 2016 Certified Manufacturing
  • Custom manufacturing per each application
  • Certified Welders working on all applications
  • 100% of metal expansion joints are tested



  • Highly reliable and flexible solutions at maximum temperatures when necessary
  • Virtually limitless sizes available for rectangular expansion joints; round expansion joints available from 2” to 200”
  • End connections can be flanged (bolt-in) or weld-in
  • Round expansion joints: available in single or multiple plies
  • Rectangular metal expansion joints: bellow shapes are available in Omega, V-shaped, Box or Doghouse configurations
  • Available with single or multiple convolutions, designed to customer’s needs
Expansion Joints | Metallic Expansion Joint | Elastomeric Expansion Joint