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U.S. Bellows, Inc. Responded to a Local Emergency by Refurbishing a 36" Rectangular Metal Expansion Joint (PT&P Ref# 94062) 12/5/2007

Rectangular Metal Expansion Joint

U.S. Bellows, Inc. refurbished a rectangular metal expansion joint on an emergency basis for a local chemical plant. Upon arrival, the expansion joint was acid washed and dye-penetrant examined for any cracks in the metal. The expansion joint bellows were then repaired, retested and sent back to the customer in a matter of two days. The expansion joint measures 21" x 26" x 36-3/8". The bellows are fabricated from Inconel® 625 LCF material. The rest of the assembly is fabricated from Inconel® 600 material. The design temperature is 660°F and the design pressure is 20 PSIG. The expansion joint was soap-air bubble tested and dye-penetrant examined before being returned.




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