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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

Metallic Expansion Joints from Effox-Flextor

Over 50 years of excellence has made Effox-Flextor a leader in the evolution and creation of top-of-the-line, versatile fuel combustion and exhaust equipment. With the intense temperatures and severe conditions associated with solid fuel combustion, it’s an unconditional requirement that the equipment you choose must be reliable, safe, and durable. Businesses across the globe count on Effox-Flextor Metallic Expansion Joints and other products to control emissions that could harm our air quality and health. We take great satisfaction in contributing to the protection of our atmosphere.

Our desire to preserve the ecosystem we share is matched by our desire to produce quality equipment for our clients. You can trust in a brand that shares your commitment. We design and install equipment that is without equal in excellence and reliability. Our products will comply with the strictest regulations. When the situation calls for custom, precisely tailored emission solutions, we are ready to meet the challenge. Our engineers are some of the most talented in the world, and they are prepared to find the right solution for your facility. When you choose Effox-Flextor, you are choosing a product for life.