U.S. Bellows, Inc., a Division of Piping Technology & Products, Inc., Designed and Fabricated a Tied Universal Expansion Joint for Pipe Carrying Sulfur Dioxide (PT&P Ref #89134-A1, LT) 10/25/2006

This tied universal expansion joint is designed to carry hot gas up to temperatures of 1022ºF and pressure up to 5 PSIG. It has a 66" inside diameter and is 72" in overall length. The design movements are 4" lateral and 4.5" axial compression. The bellows’ material is Inconel® 825 with carbon steel weld ends. The bellows and pipe longitudinal weld seams were 100% x-rayed prior to a 5 PSIG air test and then dye-penetrant examined after testing.

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