API 650 Distance

[rotaryguy]

hi guys,

i am looking for distance between the edge of tank roof and nozzle. if someone can help that would be great.

regards
Rotar

 

[JoeTank]

API-650 has no specific requirements for roof noozle locations relative to edge of the tank.

Joe Tank

 

[11echo]

You don't want to overlap heat affected zones from welding, so you do need to keep a minimum of 3" between welds (tank roof and bore of nozzle or reinforcing pads)!