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Weld symbol and annotation question.

Weld symbol and annotation question.

Weld symbol and annotation question.

(OP)
I am trying to find reference for the correct weld symbol and annotation for drawings to use for the following weld:

Purged - Sanitary , Tig Weld

Used on 1.5" stainless tubing.

Would someone know what the proper symbol is?

RE: Weld symbol and annotation question.

Probably a single sided butt weld with a flag note describing the exact process used for the weld, including back purging, the filler alloy to be used, fit-up requirements, NDI of the weld joint, and post weld processing such as planishing or smoothing the internal flow surfaces.

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