Determine thickness of groove weld type SET-ON/SET-IN nozzle

Nozzle-Set-in-and-Set-on

The type of groove nozzle and thickness determine shall detail in the welding summary and request for NDT.

ASME IX, QW-403.16:
LEFT PHOTO: Groove weld of SET-IN nozzle shall be based on the shell, head or pipe run O.D.

RIGHT PHOTO: Groove weld of SET-ON nozzle shall be based on the nozzle or branch pipe O.D.

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