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U.S. Bellows, Inc. Designed and Fabricated a Single Reinforced Expansion Joint for an Oil Refinery in Saudi Arabia
January 11, 2006
Single Reinforced Expansion Joint
Expansion Joint Testing
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.