U.S. Bellows, Inc. Designed and Fabricated a Single Reinforced Expansion Joint for an Oil Refinery in Saudi Arabia

January 11, 2006

This single reinforced expansion joint is 16″ in diameter and is 15-1/8″ in length. The expansion joint is fabricated with 316L stainless steel bellows, liner, weld ends, and bellows reinforcement. This expansion joint weighs 170 lbs and is used in a feed pre-heater. It is designed and fabricated to ASME Section VIII for 581 PSIG at 842°F with a travel capacity of 0.496″ compression. 100% Dye-Penetrate testing was performed for the bellow attachment welds as well as 100% X-Ray testing on the long seam welds of the bellows and pipe ends. In addition, Hydro-testing was performed at 764 PSIG to assure quality and performance.

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U.S. Bellows 101 - The Basics of Expansion Joints

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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.

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November 21st: Constant Spring Supports Design and Application Webinar 10:00 am OR 2:00 pm

November 28th: Pipe Support Field Inspection, Installation and Maintenance Webinar 10:00 am OR 2:00 pm

December 5th: Slide Plates & Pipe Rollers in the Fight Against Friction 10:00 am OR 2:00 pm

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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