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U.S. Bellows Designed Thick Wall Flanged and Flued Head Expansion Joints for Sulfuric Acid Plant

July 28, 2016
U.S. Bellows Designed Thick Wall Flanged and Flued Head Expansion Joints for Sulfuric Acid Plant

U.S. Bellows custom designed and fabricated thick-wall flanged and flued head expansion joints for a sulfuric acid plant in Chicago, IL. The units will be used for a chemical furnace and converter project. The expansion joints vary in size from 36″ to 70″ in diameter.  The units were fabricated from 304 stainless steel in 1022° F temperatures, with an operating pressure of 93° H2O water column. All welds were dye penetrant, and soap and air tested prior to shipment.

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Hinged Expansion Joints Designed for a Pipeline in Mexico

July 18, 2016

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U.S. Bellows designed single hinged expansion joints for a pipeline in Mexico. They are 12″ in diameter and 12″ in length. The bellows were fabricated from 304 stainless steel, and the flanges and hinge hardware from carbon steel. The expansion joints are designed for an operating pressure of 150 psig at 150°F, and rated for 5° of angular movement. All units were 100% dye-penetrant and hydro-tested per ASME B31-3 prior to shipment.

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82″ Long Universal Expansion Joint for a Power Plant in Chile

July 5, 2016

82" Long Universal Expansion Joint for a Power Plant in Chile

U.S. Bellows custom designed this universal expansion joint for a steam line extraction application at a power plant in Chile. The unit is 8″ in diameter with an overall length of 82″. The bellows were fabricated from 321 stainless steel with the weld ends and tie rods from carbon steel. The expansion joint is designed for an operating pressure of 145 psig at 678°F with 1.25″ of lateral deflection. All welds were 100% dye-penetrant examined and hydrotested prior to shipment.

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