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Tied Universal Expansion Joint for Pipe Carrying Sulfur Dioxide

October 25, 2006

Olympus digital camera

This tied universal expansion joint is designed to carry hot gas up to temperatures of 1022°F 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.