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Tag: Universal Gimbal Expansion Joint

11 Foot Long Universal Gimbal Expansion Joints Designed for an Oil Refinery in Canada
October 1, 2018

11 Foot Long Universal Gimbal Expansion Joints Designed for an Oil Refinery in Canada

Type:  Universal Gimbal Expansion Joint
Size:  102″ – 133″ L | 41.5″ W | 41.75″ H | 32″ diameter
Material:  Carbon Steel | 304 Stainless Steel
Design:   100°F @ 285 psig | 102 lb/in/degree Rotational
Spring Rate | 15.4″ Lateral Deflection
Testing:   Hydrotested @ 428 PSIG

U.S. Bellows custom designed these universal gimbal expansion joints for an oil refinery in Canada. The bellows and liners are fabricated from 304 stainless steel, and the remainder of the components are fabricated from carbon steel. The units are 102″ and 133″ long respectively, and both are 41.5″ wide, 41.75″ tall, with 32″ OD. They are designed for an operating temperature of 100°F at 285 psig, with a 102 lb/in/degree rotational spring rate and 15.4″ of lateral deflection. The expansion joints were 100% dye-penetrant tested and hydro-tested at 428 psig prior to shipment.

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72″ Universal Gimbal and Single Hinged Flanged and Flued Head Expansion Joints
July 11, 2011

72" Universal Gimbal and Single Hinged Flanged and Flued Head Expansion Joints

U.S. Bellows designed and fabricated a 180″ long double gimbal expansion joint with a 90° elbow and flanged and flued head bellows, and a 114″ long single hinged expansion joint with flanged and flued head bellows. After performing a pipe stress analysis on the line, it was determined that spring supports were necessary, so F-Type variable spring supports were also provided for this project and shipped with the expansion joints.

All material in contact with the service fluid is fabricated from 304 H stainless steel and all external hardware is 304 stainless steel. The expansion joint bellows is designed for 5° angular movement and 1100°F at 10 psig. A spot x-ray test, soap and air test, and 100% dye penetrant examination on all welds were performed prior to shipment

 

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55″ O.D. Universal Gimbal Expansion Joints with Floating Rings for a Refinery
January 16, 2004

55 O.D. Universal Gimbal Expansion Joint with Floating Rings for a Refinery in Joliet
U.S. Bellows, Inc. custom designed and manufactured a 55 O.D. universal gimbal expansion joint with floating rings for the FCC overhead vapor line at the refinery.  This expansion joint has an overall length of 310 and is fabricated from A387 Gr 11 CI2 spool and Inconel® 625 LCF bellows. It is designed for 50 PSIG and 1075°F with 13 of lateral movement.

To ensure quality, 100% dye-penetration, 100% x-ray and pressure tests were performed on the bellows. Pneumatic tests were also conducted on the expansion joint and between bellows dry plies at 55 and 15 PSIG, respectively, prior to shipping.
55 O.D. Universal Gimbal Expansion Joint with Floating Rings for a Refinery in Joliet

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