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ASME B31.3 vents and drains in fuel gas system

ASME B31.3 vents and drains in fuel gas system

ASME B31.3 vents and drains in fuel gas system

(OP)
Is NDE (RT) required on the welds in vent and drain lines after the last shutoff valve in a fuel gas system per B31.3?
Thanks

RE: ASME B31.3 vents and drains in fuel gas system

You do not tell us the size or the operating conditions.
I general if it is a Hydrogen & it is Butt Welded, and it is a ASME B31.3 Code plant then you RT is required.

prognosis: Lead or Lag

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