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Refurbishment on a 72 Year Old Hinged Expansion Joint

August 13, 2018

Hinged expansion joint 166169

Type: Single Hinged Expansion Joint
Size: 26-3/4″ length x 42-1/2″ diameter
Material: CS | 304 SS | Inconel 625 LCF | Kaowool
Design Operating Temperature: 1,100°F
Pressure: 100 PSIG
Movement: 3° of Angular Rotation
Testing: Hydrotest at 100 PSIG

U.S. Bellows, Inc. refurbished a 72 year old single hinged expansion joint for a refinery in Louisiana. The expansion joint is 42-1/2″ in diameter and 25-3/4″ in length. The bellows are fabricated from Inconel 625 LCF, the liners are 304H stainless steel, the body is carbon steel and the insulation is Kaowool. The unit is designed for an operating pressure of 100 psig at 1,100°F and 3° angular rotation. A hydro test at 100 psig was conducted prior to shipping the unit after one week.

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