Internally Reinforced or Forged Nozzle Connections 2

[NamiTS]

Hi All, I was wondering how exactly I go about calculating the required reinforcement for these nozzle connections. They seem to be forged where there isn't a shell to nozzle weld and just a circ weld. I've looked through Sec VIII but I've never come across these before.

 

[Krausen]

Looks like those may be extruded header fittings. B31.3 addresses these in detail. These are typically sticks of pipe that are extruded in such a way as to meet B31.3 branch reinforcement requirements

 

[david339933]

See UG-38