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20′ Rectangular Fabric Expansion Joint Custom Designed for a Plant in Louisiana

June 29, 2013

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U.S. Bellows designed a 20″ x 13″ rectangular fabric expansion joint for a plant in Louisiana. This unit was custom designed to improve the current design by eliminating the need for insulation. The fabric belt consists of five layers and the frame is fabricated from 321 stainless steel. The expansion joint is designed for 1-7/8″ lateral movement at 1350°F and ± 10 psig and was 100% dye-penetrant tested prior to shipment.

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62″ Fabric, 42″ Hinged and 42″ Tied Universal Expansion Joints and Duct Work Designed for an Acid Plant

June 13, 2013
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U.S. Bellows custom designed two 42″ tied universal expansion joints, a 42″ hinged expansion joint and a 62″fabric expansion joint in ductwork for an acid plant in Louisiana. The assemblies had flanged and flued head bellows fabricated from 304H stainless steel. The rest of the assemblies were made from carbon steel with operating temperatures of 700°F at 10 psig. The expansion joints were dye penetrant and x-ray tested prior to shipment.

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59″ Dia. Single Hinged Expansion Joint Refurbished in Two Weeks

June 3, 2013

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Within a two week deadline, U.S. Bellows refurbished a 59-1/4″ diameter single hinged expansion joint for a refinery in Louisiana. The expansion joint is 119-3/4″ in overall length and designed for .82″ angular rotation at 1380°F and 35 psig. The bellows are fabricated from Inconel 625 LCF, and the entire assembly is 304H stainless steel. Before shipment, the bellows were x-rayed and the assembly was 100% dye penetrant and air tested to 52 psig.

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