US Bellows designed and fabricated this refractory-lined universal expansion joint for an FFC Unit in India. This is a 70″ outside-diameter, tied refractory-lined universal expansion joint with two-ply Inconel® 625 LCF bellows, A516 weld ends and spool, and a 4″ thick refractory lining per UOP specifications. This joint was designed at 51 PSIG and 1400 degrees F. The bellows’ long seam welds were 100% x-rayed and 100% dye-penetrant before and after forming. It was also pneumatic tested at 57 PSIG. The refractory lining was dried out per UOP specifications.
Upcoming Live Webinar
Sign-up for a Live Technical Webinar…
U.S. Bellows 101 - The Basics of Expansion Joints
Date: Thursday, October 1, 2026 - Register for 10:00 am OR 2:00 pm
*Note: Time Zone is CDT * Central Daylight Savings Time / GMT -5h
Live Webinars are 1 PE/PDH Credit for TX Professional Engineers
Listen to in-depth explanations on how to choose the type of expansion joint that will best suit your system. Learn about the bellows movements throughout the piping system due to thermal changes of mechanical motion. Increase your understanding of the different types of expansion joints and value-added services offered by U.S. Bellows.
Upcoming Webinars:
October 8th: Pipe Clamp Design, Application & Installation Webinar 10:00 am OR 2:00 pm
October 15th: U.S. Bellows - Expansion Joints In-depth Webinar 10:00 am OR 2:00 pm
October 22nd: Field Service: Problem Resolution Live Webinar 10:00 am OR 2:00 pm
View video recordings from past webinars…
Online Course
Expansion Joint Application and Design
Our Expansion Joint course was developed for the following disciplines…
- Piping system designers that may decide to use expansion joints
- Expansion joint designers use the information provided by piping system designers to determine the best design to meet the requirements.
- Designers that use modern software systems to evaluate different options
- Engineers / Managers: field, maintenance, process, operations, construction, surveyors
*This online course is approved for 8 hrs. P.E. Credits
Register Now