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Single Expansion Joint for a Chemical Plant in Texas
January 22, 2018

Single Expansion Joint for a Chemical Plant in Texas

Type: Single Expansion Joint
Size: 39″ Dia. | 24″ OAL
Material: 304 Stainless Steel | CS
Design 400°F at 35 psig & 2″ Axial Compression
Testing: 100% Hydro-tested at 57 psig

U.S. Bellows designed this single metallic expansion joint for a chemical plant in Texas. The unit has a 39″ diameter and is 24″ overall length. The bellows were fabricated from 304 stainless steel with carbon steel flanges. It is designed for an operating temperature up to 400°F at 35 psig, with 22″ of axial compression. The expansion joint was hydro-tested at 57 psig prior to shipment.

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Tied Double Elbow Universal Expansion Joints for a Liquid Hydrocarbon Service Application at a Paraxylene Complex
January 8, 2018

Tied Double Elbow Universal Expansion Joints for a Liquid Hydrocarbon Service Application at a Paraxylene Complex

Type: Universal Expansion Joint
Size: 118″ CL-to-CL, 132 3/8″ FTF, & 24″ OD
Material: 304 Stainless Steel/Carbon Steel
Design: 400°F at 310 psig & 1 1/8″ Lateral Movement
Testing: Dye-Penetrant, PMI, X-Ray, and Hydrotested at 465 psig

U.S. Bellows custom designed 2 of these tied double elbow universal expansion joints for a liquid hydrocarbon service application at a paraxylene complex in Saudi Arabia. The bellows were fabricated from 304 stainless steel and the piping and hardware from carbon steel, and has a 3-coat paint system. The unit is 118″ CL-to-CL of the elbow, 132 3/8″ face-to-face, and 24″ OD. They are designed for an operating pressure of 310 psig at 400°F with 1 1/8″ of lateral deflection. The unit was hydro-tested at 465 psi, X-ray tested the bellows long seam and pipe, PMI all alloys, and 100% dye-penetrant exam on all weld prior to shipment

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