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110″ Custom Hinged Expansion Joint for a Combined Cycle Power Plant in Texas


Type: Hinged Expansion Joints
Size: 110″ diameter and 39 3/8″ OAL
Material: 321 Stainless Steel and Carbon Steel
Design 250°F at 7.25 psig/FV and +/- 3° angulation
Testing: Dye-penetrant and high vacuum (70 mbar) tested

U.S. Bellows custom-designed this hinged expansion joint for a combined cycle power plant in Texas. This expansion joint is one of 11 units constructed and has a nominal diameter of 110″ with an overall length of 39 3/8″. The bellows are fabricated from 321 stainless steel with a carbon steel weld ends, cover, and hinges. This hinged joint is part of a condenser duct complex that is designed to operate at 250°F at 7.25 psig/FV, with +/- 3° angulation. All expansion joint welds were 100% dye-penetrant tested and high vacuum (70 mbar) tested prior to shipment.