[deepu]

A new project for changing the desuperheater valve to a new different type requires line size to be changed form 200 NB to 150 NB pipe .And also for this a new change piping modification also need to be done.
What are the points to be considered for this change.
1.Additional line number to incorporate the size change to be made?
2.Welding to a new piping to an old piping -how this is to be analysed?
3.What all to be considered for this design modification.(MOC)

Regards

[Nancy Roy]

Hi,

I think you should following these steps. For this project,
1. Assign a new line number to reflect the size change from 200 NB to 150 NB.
2. Analyze welding compatibility between new and old piping, considering material properties, stress and integrity.
3. Review the design modification carefully, focusing on the material of construction (MOC), pressure ratings, thermal expansion and flow requirements to ensure system reliability and safety.

Thanks

[Author]

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