Expansion Joints

Fabric Flue Duct Style Expansion Joints

Fabric flue duct style expansion joints are engineered to handle high-temperature applications and provide flexibility in duct systems. These joints are ideal for applications where movement due to thermal expansion is a concern, ensuring a secure and durable seal.

Example 1:

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We built a 1000-F High Temp Joint we built and installed onto a customer’s existing fan system. Their frames and metal liner was still in great shape so to keep cost down we provided a new high temp ceramic pillow coupled with a new PTFE flex element and performed the installation. This greatly reduced the customers downtime and project cost to keep them well within their overall maintenance budget.

Example 2:

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We custom built this 1000°F high-temperature joint and internal flow liner for our customer. They were experiencing repetitive failures due to the abrasive high-temp powder product flowing inside the pipe system. We enlarged the expansion joint, taking it outside of the process flow, and incorporated a protective metal flow liner on the inside, which extended the overall service life by more than double.



Metal Expansion Joints

Metal expansion joints are robust and highly durable, designed to absorb movements and vibrations in piping systems. They are suitable for high-pressure and high-temperature applications, providing a reliable solution for accommodating thermal expansion and system movements.

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We designed this metal joint to improve our customer’s process. The pipe shown is responsible for conveying sand into the bottom of their BFB Boiler system. The constant feeding of sand into the boiler wore out the piping right at the bend, causing frequent and costly downtime. We designed a stainless metal flex expansion joint with a built-in steel flow liner better suited to handle the abrasive nature of the sand. The added control rods protected the joint from being overextended or collapsed, thus extending the overall service life of the joint and significantly reducing downtime and loss of productivity.

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Expansion Joints

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