Re: [MW:30254] WPS of HOT TAPPING

Applicable code API 1104 Appendix B

On Wed, Dec 4, 2019 at 1:25 PM <asgharialigl@gmail.com> wrote:

Dear All.

If we want to qualify a WPS for hot tapping on pipeline, we shall apply Appendix B of API1104.

But for hot tapping of piping section for qualification of WPS, which code have to be applied, with regard to ASME IX doesn't mention to in service welding?

Regards

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