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FAQ Category: Refineries
FAQ Category: Power Plants
FAQ Category: Piping Systems
FAQ Category: Pipe Clamps
FAQ Category: General Questions
FAQ Category: Expansion Joints
Custom Universal Hinged Expansion Joint Completed in less than 12 weeks for a Refinery in Texas
| Type: | Universal Hinged Expansion Joint |
| Size: | 86″ Height, 234″ Long, & 42″ OD |
| Material: | Inconel 625/Chrome-Moly/Carbon Steel |
| Design | 1025°F at 45 psig, 3/4″ of Axial, & 12.5″ of lateral |
| Testing: | 100% Radiographic Examined, Pneumatic Tested at 61 psi, Leak Tested at 51 psig, & Dye-Penetrant |
U.S. Bellows custom fabricated this universal hinged expansion joint with oversized bellows, movement indicators, and test ports, in less than 12 weeks for a refinery turnaround in Texas. The unit is 86″ in height, 234″ long, and has a 42″ OD. The bellows were fabricated from Inconel 625, the piping from chrome-moly, the hinge hardware from carbon steel, and the covers from 304 stainless steel. It is designed for an operating temperature of 1025°F at 45 psig, with 3/4″ of axial compression and 12.5″ of lateral deflection. The unit was post-weld heat treatment and 100% radiographic examined the circumferential and long seams after the post-weld heat treatment, plus pneumatically tested at 61 psi, the bellows were leak tested to 15 psig between the plies, and dye-penetrant tested prior to shipment.
FAQ Category
Expansion Joints for Beginners
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video to view the webinar in full-screen mode.
NOTE: PDH credits are NOT offered for our recorded webinars.
Fabric Expansion Joint
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video to view the webinar in full-screen mode.
NOTE: PDH credits are NOT offered for our recorded webinars.
U.S Bellows Expansion Joints In-Depth
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U.S. Bellows 101
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shortly after the speaker begins the presentation. You may click the monitor icon below each
video to view the webinar in full-screen mode.
NOTE: PDH credits are NOT offered for our recorded webinars.
Expansion Joint Webinar
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shortly after the speaker begins the presentation. You may click the monitor icon below each
video to view the webinar in full-screen mode.
NOTE: PDH credits are NOT offered for our recorded webinars.
Video Category: Expansion Joints
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Product Photos and Pictures
Single Expansion Joints for a Pipeline in Louisiana
| Type: | Single Expansion Joint |
| Size: | 13.5″ Diameter & 6″ OAL |
| Material: | 304 Stainless Steel | CS |
| Design | 300°F at 85 psig 1″ Axil & 0.10″ Lateral |
| Testing: | 100% Hydro-tested |
U.S. Bellows, Inc. designed these single expansion joints for a pipeline in Louisiana. The expansion joints are 13.5″ in diameter and 6″ OAL. The bellows and liner are fabricated from 304L stainless steel and the flanges from carbon steel. The expansion joints were designed for a temperature of 300°F at 85 psig with 1″ of axial compression and 0.10″ of lateral deflection. All expansion joints were hydro-tested prior to shipment.
Installation and Maintenance
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