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Socket weld fittings 1

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Patrick LaPointe

Mechanical
Joined
May 27, 2018
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11
Location
CA
Are socket weld fittings permitted in ASME Section VIII, Division II vessels?
 
Which sections of VIII-1 have you checked that tell you that they may not be allowed?

Huub
- You never get what you expect, you only get what you inspect.
 
OP is asking about use on VIII-2 vessels. Forged socket-welding and threaded fittings per ASME B16.11 are permitted per Table 1.1
 
They are not prohibited, as cbPVme points out. However, they carry a hefty price/penalty in the fatigue screening assessment or fatigue analysis.
 
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