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| Industrial - SW Industrial, Inc. |
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Critical Hydrogen Service Piping Poject Met with Orbital Welding
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| Welding of these 1-1/4 in. pigtails at the bottom of the furnace is an example of the hard-to-reach locations that make it difficult for manual welding. |
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Arc Machines' orbital welding equipment, operated by Swinerton & Walberg operators, welded new installation piping in a hydrogen reformer in a refinery. Hard-to-reach piping in the furnace, along with the required use of Incoloy 800 made this a very difficult job to weld manually, but orbital welding met the challenge with exceptional results. All welds were subjected to 100% radiography per ANSI/ASME Code for Pressure Piping B31.3. No defects were found in any of the 160 pigtail welds made and the contractor met the construction schedule.
Reprinted from The Welding Journal
Click here for full article...
swi.doc
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