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Tag: refractory lined expansion joint

U.S. Bellows, Inc. Custom Designed a Refractory-Lined Expansion Joint for a Regenerator Application in Uruguay
April 13, 2020

Us bellows refractory lined expansion joints 150958

Type: Refractory-Lined Expansion Joint
Size: 43″ Tall x 39-1/2″ Dia.
Material: Carbon Steel | INCOLOY® 825 | 3.75″ Thick Refractory
Design Operating Temp: 653°F at 46 PSIG | 0.25″ Axial Compression
Testing: Hydro-tested | Q.C. Inspection

This refractory-lined expansion joint was custom designed for a regenerator application in Uruguay. The unit is 43″ tall, 39-1/2″ in diameter, fabricated from carbon steel and the bellows are INCOLOY® 825. It is lined with 3.75″ thick insulating and abrasion-resistant refractory. It is designed for an operating temperature of 653°F at 46 PSIG and 0.25” axial compression. The expansion joint was hydro-tested at 68 psig prior to shipment.

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U.S. Bellows, Inc. Custom Designs and Fabricates a 60 dia. Double Hinged Refractory Lined Expansion Joint for a Chemical Refinery in Michigan
February 27, 2004
Expjt 01a 60″ diameter Double Hinged Refractory Lined Expansion Joint for a Chemical Refinery in Michigan
Expansion joint assembly during fabrication
Expansion joint assembly ready for shipment

U.S. Bellows, Inc. specially designed and manufactured a double hinged refractory lined expansion joint for a chemical refinery in Michigan. This expansion joint with an overall length of 40′-0″ has a 4″ thick refractory lining installed per UOP specifications. It also consists of testable two plies SB-443/Inco 625LCF bellows, 5/8″ thick, A516-70 mitered elbows, 5/8″ thick, A516-70 spool, A240-304 liners, A516-70 hinges, A193, GR 7 tie rods, and A516-70 lugs.

This expansion joint is designed for 50 PSIG and 1440°F with 3″ of lateral movement per B31.3 and EJMA standards. To ensure quality, 100% X-Ray and 100% dye-penetration tests were performed on the bellows after forming. A pneumatic test at 75 PSIG was conducted on the expansion joint assembly prior to shipping.

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48” diameter Refractory Lined Expansion Joint for a Chemical Plant in Ecuador
October 10, 2003
48” dia. Refractory Lined Expansion Joint for a Chemical Plant in Ecuador
48” dia. Refractory Lined Expansion Joint for a Chemical Plant in Ecuador

U.S. Bellows, Inc. designed and fabricated a Refractory Lined Expansion Joint with pantographic linkages for a chemical plant in Ecuador. This expansion joint was designed for 60 PSIG and 1450 °F with a 4” thick refractory installed per UOP specifications. The bellows were constructed from SB-443 Inconel® 625, and the weld ends, hinges, pantographic linkages, and floating ring were made from A516-70.

The bellows, weld ends, and spool long seam welds were 100% X-rayed and 100% dye-penetrant tested per ASME standards. A pneumatic test was performed at 15 PSIG for the entire expansion joint assembly prior to shipping.

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